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Transcript of Freeing the Grid 2011
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Best Practices in State Net Metering Policies
and Interconnection ProceduresFreeing the Grid
2011EDITION
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Freeing the GridBest Practices in State Net Metering Policies and Interconnection Procedures
2011 Edition
Octer 2011
Ave ree w:
www.reegtegr.rg
he Vote Solar Initiative
300 Br St, Sute 609
S Frcc, CA 94107
te: 415 817 5062
@vter.rgwww.vter.rg
Network for New Energy Choices
215 Lexgt Aveue, Sute 1001
New Yrk, NY 10016
te: 212 726 9161
@eweergycce.rg
eweergycce.rg
A prgr GRACE
www.grcek.rg
Project Managers Su Cp, Te Vte Sr Ittve
Je Re, Netwrk r New Eergy Cce
Contributing Authors
I R E C (IREC):
Jep We
T Cuey
T V S I:
Su Cp
R Jck
N C S C:
Lure Vr
N N E C:
Je Re
Endorsed By
Te Sr Ace
Te Sr Fut
Design
Kte Sweet
Special hanks
Fr revewg prvg vue cet ugget r t et, te utr wu ke t
tk Ruty Hye, Ic Pzre, R Me,
Kye R, J Keye.
Note:Tis report was prepared with the best inorma-tion available at the time o writing. We welcomeany new inormation and comments as we strive tomake each edition o Freeing the Grid as accurate andup-to-date as possible. Any errors or omissions are theresponsibility o the authors.
Some o the state data and grades rom past years wereupdated. Tus, the scores and grades in this editionmay not always agree with what was published in
previous editions o this report. In a reassessment o whatconstituted statewide policies, we determined that somestate policies that were graded in the past did not meetregulatory merit. As such, some states that were gradedin past editions did not receive a grade in this edition.
2011 GRACE A rgt reerve
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[ 1 ] Freeing the Grid 2011
Table of Contents
A Nte Aut te 2011 Et: 3
A Brwg, Executve Drectr, Te Vte Sr Ittve
Itruct t te 2011 Et 5
Metrc Succe 11
Grg 25
Wrt Prctce 77
I Fcu: Sty Crge
I Fcu: Vrg Sty Crge
I Fcu: New Mexc Acce Fee
Bet Prctce 81
I Fcu: Dewre
I Fcu: Cuty ReeweExpg te Beet Net Meterg
Me Rue 85
Appex A:
Net Meterg 86
Itercect 88
Appex B: 90
Itertte Reewe Eergy Cuc 2009 Me Net Meterg Rue
Me Itercect Prceure
Appex C: 91
Arevt Acry
Aut U 93
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[ 2 ] Freeing the Grid 2011
Id put my money on the sun and solar energy. What asource o power! I hope we dont have to wait until oil and
coal run out beore we tackle that.
homas Edison
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[ 3 ] Freeing the Grid 2011
Te 2011 Et Freeing the Gridrk te 5tyer te reprt. Wt te trc grwt
te reewe eergy utry evy cu
trute geert reurce, tee ve yer ve
et ke ete. Muc cge tt per, uc ee r te etter. Fr tce, c-
uty r vrtu et eterg rrgeet
re w cpce y jurct. T
pcy eeet t ext we Freeing the Gridwrt truce.
A g w r Freeing the Grid ce,t yer te U.S. Deprtet Eergy w grt
wr t tte c gveret trug t
vtve SuSt prgr Freeing the Gridpyg prtt re. Te prgr
t rg te te ct reet r w
t e r per wtt y 2018 Currety prce
rugy ve t eve r per wtt, epeg
yte ze ct. Itegr t t
re g et eterg pce tercect
prceure; uc tt te DOE g e
t wr etrc Freeing the Gridgrg. It r repty te utr t
reprt tke very eruy.
Mre reprt ctet w e pte e t
reuce rece reprt tt pue y
ce uy. Tere re ueru tce were
pcyker cge ter prgr ter te reprtw ue te qure t we ter prve
gre wu e pte y t er tt te ext
u et wu t e reee r x r eve
t. A e preece w w u t ty cur-
ret wt te tet tre evepet re
te w etter pt te ter t u t
t prte et prctce.Styg tp cgg evet gg t
e cregy prtt te rce r ce
reewe eergy uture ctue. Ce, trute
geert tecge re crtc pece t
rce. Fcg cetve tructure re cery
te ege tt re rvg u rwr. Mrket
eer Cr New Jerey ey t
wt ter vere ce cg prgr.
O cure, eve tp--te-e ege wt y
reurce vete te vece w t perr we
wtut t r wc t trve.
T wt wr-c et eterg rue
tercect prgr . Tey prve te
t r tt trt u r epeece
cetrze, rty pwer geert t yte
tt erce ce, trute reurce. Wtut
eectve pcy, tt r gg t e rcky
tuutuu.
T wy we re pru t ctue t pr-
tt wrk. We re w te ece ret gr
prty r ptvtc (PV), te prce
reewe g wt tt gr uppy, g et
eterg tercect pce re gg t ere prtt t ever.
A Note About the 2011 EditionAdam Browning, Executive Director, The Vote Solar Initiative
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[ 4 ] Freeing the Grid 2011
Interconnection and Net Metering:What is the Difference?
Interconnection: te tecc rue prceurewg cuter t pug t te gr.
Net Metering: te g rrgeet y wc
cuter reze vg r ter yte were
1 kW geerte y te cuter te exct e
vue 1 kW cue y te cuter.*
* A kilowatt-hour (kWh) is the unit o energy equal to1,000 watts o power used over the course o an hour. It isalso the energy required to run a 100 watt light bulb or10 hours.
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[ 5 ] Freeing the Grid 2011
Introduction to the 2011 Edition
A te uer cuter-te reewe eergy
tt ctue t urge twe, tte
pcyker ve upprte et eterg r r
ter ce tecge r vrety re:
ecurge -tte ecc evepet
te cret j ece te ecurty rety te
eectrc gr
reuce r put greeue g
e
cree eergy epeece
A ze tte re cery te vgur et
prctce tt g ey ereyenablingcuter-te Dtrute Geert (DG) y ctvey
ecurgg tee clean energy systems. Sce tepreer et Freeing the Grid, y tte veerce tee et prctce. Te eer Eergy
Pcy Act 2005 (EPAct 2005) cte ctyt
t tee prveet y yg te Puc Ut-
ty Regutry Pce Act (PURPA) t requre tte
puc utty c t cer tr r
et eterg tercect. Sect 1251
EPAct 2005 requre tte t cer et eter-
g tr ke etert regrg
te tr y Augut 2008. Sect 1254 EPAct
2005 requre tte t cer tercect
tr ke etert regrg te
tr y Augut 2007.
1
Sever tte tk t pprtuty t peet r upgre ter et
eterg tercect prceure.
Sce te uet te EPAct 2005 prv,
tte ve ctue t exp prve ter
pce. Net eterg tercect gre re
rg, tte re expg te eg wt
cttute et prctce. A uc, te Itertte
Reewe Eergy Cuc (IREC), Te Vte Sr
Ittve te Netwrk r New Eergy Cce
(NNEC) reve te etgy ue Freeing theGrid2010 t reect pcy evut te currettte et prctce.
1022
260
121
110
105
73
56
5
45
43 264 California
New Jersey
Colorado
Arizona
Nevada
Florida
New York
Pennsylvania
Hawaii
New Mexico
All Other States
Chart 1: 2010 Ite Gr CectePV Cpcty y Stte (MW
DC)
Chart 2: 2010 Cuutve Ite Cpctyper Per (W
DC/per)
38.8
32.9
29.627.4
24.1
21
17.2
7.46.9 6.2
Nevada
Hawaii
New Jersey
CaliforniaColorado
New Mexico
Arizona
D.C.
Connecticut
Oregon
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[ 6 ] Freeing the Grid 2011
Experience Matters
I rer t guge U.S. eectrc utty perpectve
et eterg, te Sr Eectrc Pwer Act
(SEPA) IREC pue reprt 2008 e
urvey utte. Ter g ugget tt
tere gret e r e utte t er r
te experece te tt ve evepe efcet,
exe yte r et eterg te uer
ptvtc (PV) tt cree, rter t
kg retrctve xe pre re.
Te t ucceu et eterg prgr
ee pce r ve r re yer; t requre ec eter, extr ee r t urce; ue
te IEEE 1547 tecc tr r tercec-
t; ecte t et e u-te epyee t
prce ppct.2 At te utte tt
repe t te urvey cte tt tere were ew
pre cte wt reg te etert
wc were ge eectrecc eter, ut
wt grwg uer te--ue (OU) eter
rt eter we.
Te t c pre reprte were
cte wt g yte ck prper
cuett r te cuter. Mt utte
te tuy tte tt ter g yte were ue
t ey ccte et-etere cuter
jutet were eee r te yte. Te ct
upgrg curret g twre y e g, ut
te reprt ve tt uture g yte crp-
rte et eterg cpte t te et.
Icpete cuett r te cuter
w te t c cue ey reprte te
tercect prce, te reprt ugget tt
re tr requreet, rev cuet-
t ter, cerer cuct
etwee te utty, pectr te cuty
cu ve tee pre. Te y rect
rp cree te uer PV tt ver
te ext te yer ecurge uture reerc
t et r treg expetg te et
eterg prce.3
Cr t te ter te
cpcty, New Jerey t ec pce Cr rrwy et ut Arz r tr.4
A ctr w te r rket ver-
yg, Nev, New Jerey Hw re eg
te pck.5
Solar Markets in 2010
Cr t te uer-e pt, ut
t rket ce erg. I 2009, Cr
e 49% te U.S. rket re. I 2010, t e
t 28%. Nev, New Mexc ex re
te 2010 t ue t ge rge r tt.
Iteretgy, Nev 58 MW r tt e
t eergy t Cr utty upprt eetg
te utty RPS gt.6
Continuing Education
re reg ue ccer wt gr-
te r yte, te U.S. Deprtet Eergy
(DOE) crete te Sr Aerc Br r Ce
Table 1: Cge Ite Cpcty r te p-e Stte r 2009 t 2010
S
2010
(MWDC)
2009
(MWDC)
2009 2010
%
2010
M S
2009
R
C 252 213.7 18% 28% 1
N J 132.4 57.3 131% 15% 2N 68.3 2.5 2598% 8% 15
A 63.6 21.1 201% 7% 5
C 62 23.4 165% 7% 4
P 46.5 4.4 947% 5% 13
N M 40.9 1.4 2815% 5% 20
F 34.8 35.7 -2% 4% 3
N C 28.7 6.6 332% 3% 10
25.9 4.2 517% 3% 14
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[ 7 ] Freeing the Grid 2011
ec. utrte, te Sr Ace
evepe reurce ecrg te Fur Pr
eectve tte pcy. Te Fur Pr tke t
cert te et prctce et eterg
(Pr 2) tercect (Pr 3). Icetve
(Pr 1) utty rte reveue pce
(Pr 4) re cruc cpet evepg wr-c r rket. We c cetve
re te ege rket evepet, tercec-
t et eterg pce re te r. I te
curret cpe, t uc eer r rket t
cceerte te t, e r Cr,
New Jerey Cr.9
Ec et t reprt w tte vg
r wer t ger gre. But tte ke De-
wre, Cr, Me Mcuett ctue
t re te r, ter w ee t w te et
prctce repreete t reprt IREC
Me Net Meterg Rue Me Itercec-
t Prceure t ve t te e te c.
End Notes
1.Wr, J. (2008) Stte Cert EPAct
2005 Str. Itertte Reewe Eergy
Cuc. Juy. ttp://www.recu.rg/e/
Utility Rates &Revenue Policies
Net Metering Interconnection
Incentives
4
3
2
1
The Four Pillars of Cost-Effective Solar Policy
Str (Sr ABC), prt te eer
Sr Aerc Ittve. Te Sr ABC wete
t t reurce r te terete et
eterg tercect, we ter tpc
ue urrug te epyet r
pwer.7
Guidebook: Connecting to the Grid
IREC Cectg t te Gr
Gue prve cpree-
ve truct t et
eterg tercect
pce tecc ue.
Te 6t et t gue
cue expt IREC
upte e tercect
prceure, tertve g
rrgeet r et eterg, eergy trge ue
ever ter eergg ue te e.8
How to Drive a Solar Market: Net Metering and
Interconnection in the Context of a Cost-Effective
Solar Policy
Degg eccy ute r rket
requre te crt cpeetry pcy
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[ 8 ] Freeing the Grid 2011
S NetM
etering
Grad
e
Interconnection
Grad
e
NetM
etering
Grad
e
Interconnection
Grad
e
A M C C
A C N B
A A N B B
A B N H B D
C A B N J A B
C A B N M B B
C A B N Y B B
D.C. B B N C D B
D A A N D D F A C O A C
G F O F
H B F O A B
I P A B
I B B R I B D
I B B S C F F
I B B S D B
K B
K B F C
L C U A AM B A V A C
M A B V B A
M A A W B D
M A C W V A B
M F D W C C
M W B
M C
Table 2: Stte Gre r 2011
Note: A lack o a grade indicates no statewide policy.
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[ 9 ] Freeing the Grid 2011
uer_up/CectDc/EPActJue08_01.c
(Te tg requreet EPAct 2005 re t
trgtrwr, t rtce cre t.)
2. Te IEEE 1547 tr ete crter
requreet r tercect trutereurce wt eectrc pwer yte [ rer t]
prve ur tr r tercect
trute reurce wt eectrc pwer yte. It
prve requreet reevt t te perrce,
pert, tetg, ety cert,
tece te tercect. Te tr
w pprve 2003. A vervew te IEEE
1547 tr c e vewe t: ttp://gruper.eee.
rg/grup/cc21/1547/1547_ex.t.
3. Letere, Steve, Mke yr. (2008)
Residential Photovoltaic Metering and InterconnectionStudy: Utility Perspectives and Practices. Reprt #01-
08. Sr Eectrc Pwer Act: Mrc.
ttp://www.reeweeergywr.c/et/cu-
et/try/2008/SEPA%20_%20Reprt_F%20
Mrc%206.2.p.
4. Serw, Lrry. (2011) U.S. Sr Mrket re2010. Itertte Reewe Eergy Cuc. Jue.
ttp://recu.rg/wp-ctet/up/2011/07/
IREC-Sr-Mrket-re-Reprt-reve070811.
p.
5. I.
6. I.
7. Sr Aerc Br r Ce Str.
Wete: www.rc.rg.
8. Te cuet ve t www.recu.rg.
9. Fr re rt te Fur Pr, vt te
Sr Ace wete: www.rce.rg.
Table 3: Cuutve Stte Net Meterg Itercect Gre y Yer
N M
Y A B C D F N/A
2007 5 8 12 6 8 12
2008 6 15 9 7 6 82009 11 16 8 6 3 7
2010 15 22 3 3 3 6
2011 17 18 5 2 4 6
I
Y A B C D F N/A
2007 0 1 9 8 15 18
2008 0 11 3 9 14 14
2009 1 14 6 6 14 10
2010 4 16 7 4 5 16
2011 6 17 7 4 3 15
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[ 11 ] Freeing the Grid 2011
Metrics of Success
A Standard Policy Framework
Mt tte tt ve crete /r reve ter
tercect et eterg pce ve e
purut e r re te wg g:
ecurge greter reewe eergy geert;
prte cuter-te DG;
ep eet te g reewe prt
tr (RPS);
reuce e cregy tre
eectrc gr;
rewr vetet reewe tecge;
ctte eergy e-rece;
prve r quty puc et;
reuce greeue g e;
prte -tte ecc evepet
crete j.
Acr te r, te t ucceu tte re
cert pcy cpet. Te eekg t ceve
ucce ve pte utty r pce.
Te reut cer, eergg ceu et
prctce y tte, ptcwrk e-
ectve etergeeu ruer -extet
rue ter.
Oe gct e tt ppret up
revewg te we vrety extg tte tr
tt ctecy te eey ce eergy
evepet. It crete cu g cuer,
uere te ty uee t perte ef-cety cr utty ervce terrtre r tte e,
cree ct t prgr prtcptut-
te, cuer, uee c ty
rcg tee tkeer t ter te ycre
ec vu tte prgr.
ve cce t tt te g te ve,
ucceu tercect et eterg pce
ut ctte te tt tu ce
eergy yte. It etrey pe t tye te
evepet reewe geert etre
tte y wg e r re cuterpructve
prv t e erte t tee pce urg
evepet prce.
I geer, cy ccepte tecc tr
erve extreey prtt purpe te U.S.
ecy. By eetg ur et prceure
eectrc pecct, we vrety pr-
uct tecge c e evepe t w ct
y ueg vt cuter cce te
rketpce. Aty, te ue e ctet
egeerg tr eure e prctc y
ppct. Str r et eterg terc-
ect pruce r reut r te reewe
utry.
My tte we te Feer Eergy
Regutry C (FERC)re pprcg ceu jut t type tr r terc-
ect. (Te FERC tr greeet r
tercect were pte 2005 y FERC
Orer 2006, ereter reerre t te FERC
Str.)
Te vt jrty tte eer tercec-
t prceure re e ceu ety
egeerg tr r te IEEE Uerwrt-
er Lrtre (UL).1 It prtt t te tt
utty teret ve trg, expert repreet-
t trugut tte eer prceeg.
Te tr reevt t t reprt ve reyee egtte wt re t equte utty
repreett; tere ee t reegtte tee
prv ze regutry re.
Our Scoring Methods
I t evut ttewe tercect
et eterg prgr, te utr evepe
ex tt wr pt r eeet tt prte
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[ 12 ] Freeing the Grid 2011
prtcpt, exp reewe eergy geer-
t, r terwe vce te g ugt y et
eterg. Cverey, te ex ue eert r
prgr cpet tt curge prtcpt r
t reewe eergy geert.
Appyg tee uerc vue t prgr
cpet w r eprte pttg teeectvee ec tte tercect et
eterg tr, get etter gre t
ec.2
Policy Points: Net Metering
Individual System Capacity
P L S A N M
+5 2 MW r greter+4 Greter t 1 MW, ut e t 2 MW
+3 Greter t 500 kW, ut t greter t
1 MW
+2 Greter t 100 kW, ut t greter t
500 kW
+1 Greter t r equ t 50 kW, ut t
greter t 100 kW
0 Le t 50 kW
-1 Oy reet yte we
cppe t e t 20 kW
I cert ce, ttutry r regutry t
te ze ege tecge prevet eectrc
cuter r crrecty zg DG yte t eet
ter w e, uerg e te prry
rver DG. Tere pcy jutct r
tg yte ze t rtrry eve. Cuter
e u etere te yte
eg preter.
Fr cupe expe, te Dte Stte
Icetve r Reewe & Efcecy (DSIRE)
te:
At te upper e te pectru, Peyv
w et eterg r cert yte up t
5 MW; New Mexc w et eterg r cer-
t yte up t 80 MW; tere tte
cpcty t Arz, Cr, New Jerey,
r O. I y ce, tte t yte t
cert percetge (e.g., 125%) te cuter
, tt cuter t tety
verze ter yte. Furterre, e tte
ve ete vu yte cpcty t
tt vry y utty type, yte type r cuter
type.3
otal Program Capacity Limits
P P L P P
D
+2.5 5% r greter; t
+2 Greter t 2%, ut e t 5%
+1.5 Greter t 1%, ut t greter t 2%
+1 Greter t 0.5%, ut t greter
t 1%
+0.5 Greter t 0.2%, ut t greter t
0.5%
0 Greter t r equ t 0.1%, ut t
greter t 0.2%
-0.5 Le t 0.1%
B
+1 Fr excug r te ggregte t
geertr tt t exprt eectrcty, r
g eureet eergy pruce,
te tt cpcty.
I t utty ccer tt cuter-teDG repreet t reveue, y tte ve
te te tt ggregte cpcty ege r et
eterg, eter ttewe r r pecc utte.
We t rguet e tutve ppe, t
rtgte vew te rrgeet.
It ke tte ee t t te tt ut
ce eergy tt cuter y geerte
ctrute t te eectrc gr. Utte t
ve eret rgt t crge r eectrcty tt
cuter cu terwe geerte re efcety
re cey ter w. Cpcty t
rtcy retrct te exp -te reewegeert curt te rket r ew reewe
eergy yte. Tey re cpte wt
ggreve trget r reewe eergy epyet
et y grwg uer tte.
Cpcty t, uuy e percetge
pek e, crete ucertty r cuter
cerg et eterg. Sce cuter ve
wy kwg we cpcty t w e et,
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[ 13 ] Freeing the Grid 2011
tey ct eectvey p r uture DG t-
t.4 T regutry ucertty t reewe
eergy vetet.
Restrictions on Rollover
P R P
+1.5 Iete rver t ret rte.
+1 Mty rver t ret rte r e yer,
u pyet t ret rte
+0.5 Mty rver t ret rte r e
yer, u pyet t wee rte r
ve ct
0 Mty rver t ret rte r e yer,
exce eergy te t utty uy
-2 Mty pyet t wee rte r
ve ct
-4 N rver pertte, exce eergyte t utty ty
We cuter geerte re eectrcty t
tey cue urg ty g per, t
tte w cuter t rver te exce geer-
t. Te utty crre rwr y exce geert
ut t ue up. Se te et eectve et
eterg prgr prt kW cret rver,
perp y prvg wee rte pyet r
exce eectrcty geerte y cuter ec t.I tee tte cuter uerze ter yte
te yte pruce e eergy t ter ty
u requreet.
Retrctg rver t ge t y e re
cty t wg rver. I ct, te tr-
tve ct tt utty y cur trug te prce
pyg r ut ty exce
geert, v cuttg ceck r e ter r
pyet, y e greter t y perceve
reveue cte wt rver cret.
e ucceu, et eterg prgr ut
ctte rver tt cuter-geertr recevecret r exce eergy geerte urg te e
we reewe utput get ppy t twr
ter cupt we utput wet, wg
cuter t ceve zer et eergy cupt
r te gr. Iete rver prve te et
pprc t ccut r vrt g eret
yte tecge ct. Cuter-
geertr reze te t c eet r eteterg t er.
Metering Issues
P M P
+2 N eter cge requrecuter-te
geertr ue extg eter
+2 New eter prve y te utty t
ct t te cuter-te geertr
+1 Du eter r u regterutty pyr te t eter
0 Du eter r u regtercuter
py r te t eter
P M P U --U
(OU)
+2 OU eter wt te crryver
+1 OU eter wt egregte te per
-1 Segregte OU rte vtge
geertr
Requrg te cuter-geertr t py r
t eter ge te ut r prte
tretet ccre ter cuter te utty.
Spec /r upcte eter re t ecery r
te prce et eterg u t e
extr c ure t cuter wt DG.
Se tte pce requre (r ecurge) cuter
w ce t et eter t wtc t OU rte,
were te cuter py erg rte epeg
te te y. T c eter rewr geertr w
pruce urg pek e per, we eectrc-ty t expeve te gr tre, r c
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[ 14 ] Freeing the Grid 2011
vtge cuter y requrg te t py extr
ee r uervue weeke -pek pruct.
OU eter trck eectrc uge urg pecc
per te. Te te per re trcke y te
eter eter trug re te prcg (.e., ver
15 , 30 , r 1 ur terv) r pre-et prce
e egregte te per (.e. y-pek/
gt--pek /r ey jute).Iey,
cuter geert excee cupt
e te per (te ), te exce geert
pruce te pek te t eee tt te c crry ver t e utze ter
te . Wt egregte te per
te crryver, exce geert e te
per c y et cupt tt e
te per. T tut e t e t c
eve et eterg cret pruce urg pek te
per ue t e uy utzeeve te ce
were ettg cupt urg -pek te
wt cret pruce urg pek te per.
Accrgy, ewer pt re wre were OU
eter re utze wt egregte te per
te crryver. A egtve pt wre OU eterg requre te pek te per
vr r geert, uc vg pek
per 6p-9p. T wu reut g
OU pek rte wt w PV utput, tu prvg
te cuter wt e cetve t et eter.
Renewable Energy Credit Ownership
P R E C (REC)
O
+1 Owe y cuter
-1 REC werp t ree
-2 REC gve t te utty r exprte
eectrcty
-5 REC trerre t utty wtut
pprprte cetve
Reewe eergy cret (REC) prve ter
ptet tre reveue r wer yte
tt geerte eectrcty wt reewe reurce. I
y re te Ute Stte, REC re ugt
cty vutry gree pwer
rket r re recty ue t u utty
Reewe Prt Str requreet. Utte
u t e pertte t eze REC r yte
wer wtut pyg te rket prce r te.
Eligible echnologies
P E
+1 Sr, w ter reewe w
e tecge
+0.5 Sr w y
0 Excue r r w
Wt pprprte tercect prceure,
tere re t excue reewe, cuter-te geertr, uc PV w, r
et eterg. Mt tte cue ger t
ege tecge, cug , g,
yreectrc yte ter reewe tt
re te cue tte RPS pce. Recety,
tere ee grwg tre tte egt
t cue Ce Het Pwer (CHP)
ege tecgy et eterg; eve tte ve
cue CHP te pt tw yer e. Mkg
CHP prt tte et eterg pcy reect
vru tet epeg te prtcur tte;
eter t ecurge gy efcet w-e
eectrcty geert, very eectrc reurce,
/r re c gr rtructure ccer.
CHP ever crctertc (exty ue
urce, eectve vty, te ty t
cpture et r eret te ppct) wc
ke CHP ewt uque tecgy r et
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[ 15 ] Freeing the Grid 2011
eterg.Tee ctr ve ccy wrrte
pec cvet tte et eterg pce t
ccut r e tee erece. Se tee
cvet cue wg y cr-CHP
ege tecgy (uuy yte uer 30 kW),
eret exce geert rver prv
ue retrct.
Eligible Customers
P C C E
+2 N ege c retrct
+1 N-reet c pertte t eter
up t tte cpcty t we reet
c te t re t 10 kW
0 Reet c y
Se tte et eterg rue retrct te cuter
ce ege t prtcpte. Rue y excue
cerc cuter /r ter -reet
cuter tt cu t grety reuce e
tre gr wc te ejy te wet
ct r te yte. Awg -reet
cuter t et eter eet t jup-trtg
ew reewe eergy rket.
Bonus for Aggregate Net Metering
P B
+1 A cuter y ggregte eter
r er ctguu prperty r te purpe
et eterg
A ew tte w ggregt eter r et
eterg, ete kw grup eterg.
T prry eet r prperte tt y
ve utpe eter. Se tte w ggregte
eterg tt ce ccut r et etergcr e r utpe prperty ure.
Bonus for Retail Choice
P B
+0.5 Net eterg we uer ret cce
T crter w evute e vrety
pcy prv, cug weter r t c-
pettve upper re requre t er et eterg,
weter trut crge re ette r ret
cce cuter weter tere -cr-
try cue r ret cce cuter w w
t egge et eterg. Fr t pt vue, te
utr ree IREC reprt, Te Iterect
Net Meterg Ret Cce, wc e t
ccu ct et eterg ttute
regut revew cuct wt
C utty t.5
Bonus for Community Renewables
P B
+1 A cuter y receve et eterg
cret r vetg r ucrg t
reewe eergy yte tt y t e
pycy cte ter prperty
Fr vrety re, cuter y e ue
t t -te reewe eergy yte. Fr
expe, cuter y e tet utut
ug were te r w t w te t-
t r yte te r.Becue reewe
eergy prgr rue te requre reewe
eergy yte t e cte -te, tee cuter
re prte r greeg ter eergy uppy
epte ter wge t ke tt vetet.
Frwr kg tte re egg t re
t prgr gp exp pprtute rcuter t prtcpte reewe eergy trug
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[ 16 ] Freeing the Grid 2011
cuty reewe prgr. Uer c-
uty reewe prgr, cuter re we
t vet -te reewe eergy yte
t prtcpte et eterg ter tte-eve
cetve prgr. A we-ege cuty
reewe prgr exp pt r cuter
prtcpt reewe wtut wekegucceu -te reewe eergy prgr.
Safe Harbor Provisions, Standby Charges,
or Other Fees
P F
+3 Se rr guge prtect cuter
r upece t equpet,
ee, requreet t cge tr, etc.
0 Nt ree-1 Te utty pe ee r ec
weter t ee et t te utty
-1 Mr t ee r et eterg re
pe
-5 Sgct t crge r ee re
pe
-5 Per A per-kW ee pruct (
t t ter ee) pe6
My utte c tt, te evet tt
et-etere yte , te utty requre teet te reutg cree cuter e.
A reut, y tte w utte t pe
ty crge et-etere cuter.
Sty crge cttute pr puc pcy
te ctext et eterg, epecy r wer
, reewe eergy yte. Se reercer
ve te tt tey re gu t gg
ty ee t reet cuter w purce
g efcecy r ctg ut,7 ecue,
tery, utte wu e requre t eet cree
e u te r cter ee
t e repce y re cvet ut. I ece, ty crge re equ tr eve excee
rte r u eectrc ervce, eect cretg
ecc cetve r cuter t t
reewe eergy yte.
Sty crge re prtcury uree t
geertr r w utte y ee t
prve egge ut ck-up pwer. Tee
ee c e cty tt tey t,
t , te ecc cetve et eterg w
tee t er er geertr.
Se rr prv eure tt et-etere
cuter re trete ke y ter cuter. Tee
prv expcty tte tt te utty y t
crge cuter-te geertr y ee r crge,
r requre t equpet, urce r yter requreetue te ee r crge
ppe t ter cuter tt re t cuter-te
geertr.
Policy Coverage
P U C
+1 Rue ppy t utte
0 Rue ppy t vetr-we utte y
Net eterg pce geery re r eter
ttute pe y egtve y r r c-
ec. Depeg t rg, pcy y
cver utte te tte (uuy te ee
ttute) r jut vetr-we utte (IOU)
(uuy te ue y c ec). Fr
expe, Cr Puc Utte C
pte et eterg rue tt y ppe t te
tte IOU. T epe pe r rket te
re eey ppute IOU terrtre, ut
tte r te wy rur re tt were perte yeectrc cpertve (c-p) r ucp utte
(u). Hwever, ery 2008, Hue B 08-1160
w ecte, erg et eterg t cuter
c-p u. T w wece ew t rur
cuter w wt t tke vtge w
yte.
hird-Party Model
P T-P P P A
+1 Preue we t et eter
0 Nt pece
-1 Preue t we t et eter
Over te pt cupe yer, te tr-prty
werp e eerge ueu cg
ut r r tt. Wt t e,
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[ 17 ] Freeing the Grid 2011
te uyg r yte, cuter g
g-ter ctrct wt tr-prty w t
w r yte te cuter r.
T e prve ucceu ecue te t
e t ve t put up t cpt, ve
tx cret cetve re e t e re uy
utze (epecy te ce were te prpertywer te tx ty), te t zer
pert tece ct. Gve te ucce
t pprc, t w e prtt rver
ute PV rket. Fce wt te pty
tee tr-prty wer eg regute utte,
ew tte ve vetgte te egty t e.
Fr expe, te uer 2008, te Oreg
Puc Utty C rue tt tr prte
re t utte terere re t regute y te
c. Te PUC rue tt, wt tr-prty
werp, te yte te te cuter
e te eter e t requre te tru-
t yte wre r cry ervce.8
Cretg etrc tt wegt te ety
tte twr tr-prty werp ufcety
uce tte-pecc; terere retve crg
prctc. Te tretet te tr-prty
e y e ute te et eterg regu-
t teeve. Fr te purpe t reprt,
pt wre r et eterg rue tt t
precue te tr-prty werp e wt te
et eterg rue. A egtve pt wrrte r
te tte tt exprey excue tr-prty-weyte r et eterg. Fr expe, were
tte et eterg rue ee et eterg cty
cuter-we cty, te ug re
eutr exe cuter-te tergy, te
tte rue wu e cute expre excu
tr-prty we yte r et eterg.
Policy Points: Interconnection Procedures
Eligible echnologies
P C Q
0 A cuter-te geertr quy
-1 Oy reewe geertr pertte
We puc pcy y epze reewe
eergy, te yte egeerg pct
yte u e evute ey ter w
ert. terwe truce cpexty
y retrct vt. I geertr cpe uy
wt te reevt tecc tr, tere
pert r ety jutct t ey terc-
ect.
Individual System Capacity
P S C
0 Geertr up t 20 MW pertte
-0.5 up t 10 MW pertte
-1 up t 2 MW
-2 up t 1 MW
-4 Le t 500 kW
Itercect prceure u e e trget
r , pe yte re trget
yte ze cree. Hwever, tr u
pert yte tt re ze t eet eve rge,
-te . Ofce prk, gveret ug,
try e, pt r cege cpue c
ptety ccte tt 2 MW r
re jut t erve prt ter . Icre-
gy, rwr-tkg tte re cttg t
pt.
Breakpoints for Interconnection Process
P L
+1 Fur eve
0 Tree eve
-1 w eve
-2 N rekpt, e prce r geer-
tr regre ze
B
+1 Prgreve tr tt w rgeryte y ctegry
My tecc cert tue re
reevt y r retvey rge geertr. It t
efcet t rek ge ver tercect
prce t eprte trck e geertr
cpcty, reevg cpexty r te et yte
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[ 18 ] Freeing the Grid 2011
we preervg cervtve trug tue
r rger tt. Te eergg ceu t
pt ppct t ur rekpt yte ze:
10 kW, 2 MW, 10 MW (-exprtg yte),
trck r yte 20 MW rger.
imelines
P
+1 ee re rter t te FERC
tr
0 ee re te e te FERC
tr
-1 ee re ger t te FERC
tr
e ey, r evce ke rtp PV
yte, were pyc tt y tke jut
tw wrkg y, pperwrk pert repreet
te ge rget tce t quck tt. Te
FERC tr et tee r ec tep
te ppct prce, r ec type geertr.
Tere r r prveet t re,
e tte ve eecte t tr te ut te
we r te eret tep. Se tte ve
rter te tte r te re-trug
ppct wt geertr ug UL-teequpet.
Interconnection Charges
P F
+3 Fee re wve r et-etere cuter
tercect crge re cppe
+2 Fee re wve r et-etere cuter
+1 Fee re wer t te FERC tr
+0.5 Sce r rekpt e ee, wc re
geery wer t te FERC tr0 Fee re te e te FERC tr
-1 Fee re greter t te FERC tr
-3 Fee re geery ue r re t te
FERC tr
Itercect ppct ee g wt ter
ee c crete cege, epecy tee ee re
ukw t te et prject evepet. Re-
e ee eve ve ee ete te FERC
prceure ve ee uject t exteve
cpre egtt prce.
Engineering Charges
P F
+1 Egeerg ee re xe
0 Egeerg ee re t xe
A tercect tr y requre
egeerg revew r cert yte; were t e,
t prtt r te prte vve t kw wt
te ee re ere. Te egeerg crge re
cy xe r per ur rte r r per
tuy rte.
External Disconnect Switch
P R
+1 Reut exter cect wtc
prte r yte
+0.5 Reut exter cect wtcprte r yte uer 10 kW
0 Reut exter cect wtc t
ree
-1 Reut exter cect wtc t
utty cret
-2 Reut exter cect wtc
requre
I tery, gr-te DG yte preet ety
zr te gr ge w te yte ct-
ue t pruce pwer wtut te utty kwege( tut utte c g). Ptety, e
wrker cu ce t ctct wt uexpect-
ey eergze e. My utte cte tee ety
ccer jutct r requrg wer
gr-te DG yte t t tet exter
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[ 19 ] Freeing the Grid 2011
cect wtc. Hwever, te prctc eect
tt, ke e tercect ee, requrg
t exter cect wtc y
uecery ct curge cuter r
vetg reewe eergy yte.9
Exter cect wtce re uecery
ecue verter tt eet IEEE tr ve
uttc ut- cpte tegrte wt te
yte.10 I te evet gr ure, DG yte
verter w etect te pwer ut
teeve .11 It prtt t te tt t e
ccet reutg r te g et-etere
reewe eergy yte ee reprte.12 Mre
prtty, utty wrker re tre t tret
e ve, vrety ter ety precut
re requre prt tr pertg prce-
ure.13 A exter cect wtc repreet
urt r t eve reucy tt y
reevt utty wrker gre r er trg.
I utty wrker wg prper prtc, e
te eve ety eure preceg exter
cect wtc w ever e ue, uc e te
wtc te.
14
Certification
P S
+1 UL 1741 / IEEE 1547 tr re ue
t t ter pt (e.g., e-
certct)
0 UL 1741 / IEEE 1547 tr re ue
-1 UL 1741 / IEEE 1547 tr re t
ue, r e eeet IEEE 1547
re ue-4 Str ue cct wt, r
exce IEEE 1547
Te eectrc ety pert te gr
ut e prry ccer te evepet
y tercect prceure, ut re
egeerg tr, t pcy eter-
t. Utte, equpet ucturer, t
rtre tetg cte, gveret
repreettve ve evepe te reevt tecc
tr jty.
We e tte ve prve r t
pt (e.g., te reue certct equpet
vuy type-tete y utte), ter ve ue
cctg tecc tr crtc w tt
y ct ect te ety ecurty te gr.
St ter ve e ycrtc r upece
ket cue tt truce ucertte. I uc
ce, ptet vetr DG yte t kw
we uc cue gt re t quy te.
echnical Screens
P S
0 Te FERC tr cree re ue
-1 Tere prt pt cree
-2 N cree re ue r t t te utty
cret
Pety A re cervtve cree() t te
FERC tr ue = -1 r ec
Bu Oe r re te FERC tr
cree tt t ect ety ve ee
rppe, r re er cree eeet
tt e t ect ety ue = +1 r
ec
Every tercect eret, ut terc-
ect re e uet crctertc.
Tee rete t, g ter tg, te ze tegeertr retve t te ect te gr t wc
t cect te rtg te prtectve equp-
et te. Tee ctr etere w cpex
te tercect prce ee t e.
Te FERC tr prve trug et
tecc cree tt ee cpe y y
jurct; y gct rev t tee wey
ue ecrk truce fcute t te prce
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[ 20 ] Freeing the Grid 2011
y cree yte ct, cgurt r
prgrg ut e jute t cpy wt ve
regut.
Network Interconnection
P S/A S N
+2 Bt pt re etwrk tercec-
t re we wt exe crter e
cuter crctertc
+1 Eter pt r re etwrk tercec-
t re we t xu cpcty
0 Netwrk re we ut te t 50 kW
r pt etwrk /r 500 kW r re
etwrk tercect
+2 Bu: Netwrk re we prve te
geertg cty verter-e
ue t -exprtg prtectvecee
+1 Bu: Netwrk re we wt ge
prtectve eture
-1 Pety: Spt /r Are t ree r
we
A pt etwrk ege t erve rge ge
ct, uc crprte cpu r g-re
ug; re etwrk ecre te pwer
trut yte re ee wt uer,uc wtw re. Tee type etwrk
re ege t cree rety y cretg re
ptet pt r geert t . Hwever, te
type yte tt y e cecte re uuy
retrctete t te tt re verter e,
tee etwrk re e tert exprte eectrcty.
Se jurct ve extee t ccer t
etwrk tercect cpetey. Hwever,
te very re etwrk tt jurct t
prtect re geery te t ee te
ree tt DG c ctrute. A re pprprte
pprc wu e t crete re trget tecctr r etwrke yte r py requre
tt tey t pece g-pee equpet tt
ure tt re etwrk geert w t excee
te te etwrk t y te.15
Standard Form Agreement
P F S
+1 Str greeet wt rey cue
0 Str greeet wt tr cue-0.5 N tr greeet
-1 Str greeet wt excevey
cpex r te cue
B
+1 Spe r r eve terc-
ect
+0.5 Spe r r yte uer 10 kW
Te pt were te ruer eet te r
y tercect rewrk te greeet.
Wtut tr greeet, te tercect
prce etey re cpex. I te tr
very cpcte r cue cue te t
te cuteruc requrg te cuter t
ey te utty r r t ptet
te wt equvet prtect r te
uttyte te tr e uc t vue.
Insurance Requirements
P R
+1 N t urce requre r
-verter e yte uer 50 kW r
verter-e yte uer 1 MW
0.5 At urce requre, ut t
re t typc cuter wu crry
0 Iurce t ree r et t te
evepet te tr r gree-
et
-1 Utty te t ure r
ter retrctve requreet
-2 At prprttey ure-e urce requreet r er
yte
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[ 21 ] Freeing the Grid 2011
Becue ptet per jury prperty
ge ty rk cte wt tercec-
t, y tte w utte t pe ty
urce requreet DG yte wer. Se
tte requre cuter-te geertr t crry cv-
erge t prtect utte r eg e cy
repe r pre cue y tercecte
yte.
Hwever, t te utr kwege tere
ever ee cuete ce , et-etere
yte cug eectrc ure r cretg ptet
per jury r prperty ge te r utty. Reewe eergy tecge ucture
te cpce wt tecc terc-
ect guee gcty reuce te rk
ptet ety ue.
Exceve urce requreet y erve t
curge cuter r vetg reewe
eergy yte prtcptg et eterg
prgr. Requrg cuter-te geertr
epecy te wt retvey DG ytet
t t -r urce pce
prctc, ecue te g preu w key
excee te ecc eet et eterg.
Dispute Resolution
P D P
+2 Prce pce (w r ct, quck)
0 Nt ree, cty, r trtvey
uree
-1 Utty cret
Ievty, e requet r tercect
w reut pute. Te et tr prve
w-ct e expert reut, e.g., trug
teepe c t tecc ter epye y
te tte puc utty c. Oter pt
re re trtvey uree re
expeve. O cure, te tr expcty tte
tt pute w e reve trug r y
utty cret, te tr ece e ree
te eye cuter-prte.
Rule Coverage
P U C
+1 Rue ppy t utte0 Rue ppy t vetr-we utte y
Itercect prceure y cver utte
te tte r jut vetr-we utte.
Miscellaneous
Avere yte pct ceck requre r yte
uer 2 MW = -1. T type ceck r te
ptet pct cuter-te geertr
te gr. It u t e ppe t geer-
tr, r wc t rgey rreevt.
Prve r c ce fc reu we
certcte cpet requre = -1. Se tte
requre tt c ce fc g r certy
cuett cte wt te tercect
prce. Sce tee fc t geery certy
cuet ter t ter w pect, tey
c e rett t g ut ur r,
eyg r cpctg te prce.
Itercect prce gcty er-
et r te FERC tr = -1. Te ver
rewrk te FERC tr we uer-t u e te c uerpg y
tr.
Nte: 7.5 pt re e t tercect
cre t ceve grg prty wt et eterg
crg.
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[ 22 ] Freeing the Grid 2011
End Notes
1. UL g urce r pruct tetg r u-
cturer, reter, cuer regutg e.
UL tet pruct r puc ety. www.u.c. UL
1741 te Str r Iverter, Cverter,
Ctrer r Ue Iepeet Pwer Syte.
Fr urter rt ee: ttp://www.u.c/ge/verter/ex.t
2. Te Freeing the Gridetgy eepte r ue te Nt Reewe Eergy
Lrtry u Stte te Stte reprt we
te US Deprtet Eergy SuSt prgr.
3. Hee, Ay. (2011) DSIRE Sr
Pcy Gue: A Reurce r Stte Pcyker.
DSIRE. Augut. ttp://www.reu.rg/r/
rpcygue/?=17
4. Pcc G Eectrc Cpy, Geertr
Itercect Servce Deprtet. (2006) Pcc
G Eectrc Cpy Pt te Net
Eergy Meterg Eret Cp.
5. Bre, Jut Vr, Lure. (2010) Te
Iterect Net Meterg & Ret Cce: A
Overvew Pcy, Prctce, Iue. Itertte
Reewe Eergy Cuc. Deceer. ttp://
recu.rg/wp-ctet/up/2010/12/FINAL-
Iterect--Ret-Cce--Net-Meterg-
Reprt.cx.p
6. A per-kW crge eectvey et y ecc
eet r et eterg, w e trtvey
uree requre re expeve etergt pe et eterg, reutg te gct
egtve cre.
7. Weger, Hwr, H, J Pepper.
(1996) Ptvtc Ecc Mrket: Te
Scret Mucp Utty Dtrct Ce
Stuy. Cr Eergy C. Septeer.
ttp://www.eergy.c.gv/pper/CEC-999-1996-
014.PDF
8. Reewe Eergy Wr. (2008) Tr-Prty
Syte Owerp Apprve Oreg. Augut 8.
ttp://www.reeweeergywr.c/re/ew/
try?=53273
9. Ck, Crtper. (2003) Itercect PV
Syte t te GrTe Utty Accee Exter
Dcect Swtc: Crtc Sety Cpet r
Uee Equpet Requreet? Pper A160, Pr-
ceeg Sr 2003 (Te 32 u cerece
te Aerc Sr Eergy Scety).
10. Ittute Eectrc Eectrc Egeer(IEEE). (2003) 1547-2003 IEEE Str r
Itercectg Dtrute Reurce wt Eectrc
Pwer Syte.
11. Vr, Lure See, Mce. (2009)
Cectg t te Gr: A Gue Dtrute
Geert Itercect Iue. Sxt E.
Itertte Reewe Eergy Cuc (IREC)
Nrt Cr Sr Ceter. ttp://recu.rg/
e/uer_up/CectDc/Cect-
g_t_te_Gr_Gue_6t_et-1.p
12. Cgt, M.H., R.M. Mrg, J.
Akke. (2008) Utty-Itercecte Ptv-
tc Syte: Evutg te Rte r te Utty-
Accee Exter Dcect Swtc. Nt
Reewe Eergy Lrtry. ecc Reprt:
NREL/P-581-42675. Jury. Nte: we y
ctt: Ck, C.; Hye, R. Iutry Itervew.
PV New, Nveer 2006.
13. See, Mce (2008) Utty Exter
Dcect Swtc. Sr Aerc Br r Ce
Str. ttp://www.rc.rg/utty-
cect/
14. Ck, Crtper. (2003) Itercect PV Syte t te GrTe Utty Accee
Exter Dcect Swtc: Crtc Sety C-
pet r Uee Equpet Requreet? Pper
A160, Prceeg Sr 2003 (te 32 u
cerece te Aerc Sr Eergy Scety).
15. Cgt, M., et . (2009) Ptvtc
Syte Itercecte t Secry Netwrk
Dtrut SyteSucce Stre. Nt
Reewe Eergy Lrtry. ecc Reprt:
NREL/P-550-45061. Apr.
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[ 24 ] Freeing the Grid 2011
Te uture is already hereits just not very evenlydistributed.
William Gibson
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[ 25 ] Freeing the Grid 2011
Grading
Net Metering
A Fu ret cret wt utrct. Cuter prtecte r ee t crge. Rue
ctvey ecurge ue DG.
B Geery g et eterg pce wt u ret cret, ut tere cu e cert ee r ct tt
etrct r u ret equvet vue. Tere y e e tce t et eterg.
C Aequte et eterg rue, ut tere cu e e gct ee r ter tce tt uercut
te vue r ke te prce et eterg re fcut.
D Pr et eterg pce wt utt crge r ter rce. My cuter w rg
pprtuty t t DG ecue et eterg rue utrct utt ecc vue.
F Net eterg pce tt eter cuter-te DG. N ttewe pcy ext
Interconnection
A N retrct tercect DG yte tt eet ety tr. Pce ctvey ctte
te tercect gr-te cuter DG repreet t r tte et prctce.
B G tercect rue tt crprte y et prctce pte y tte. Few r cut-
er w e cke y tercect rrer. Tere y e e eect te tr, uc
ck trze tercect greeet expete tercect t etwrk.
C Aequte r tercect, ut yte cur ger ee ger ey t ecery. Se
yte w key e precue r tercect ecue reg rrer te terc-
ect rue.
D Pr tercect prceure tt eve pce y eee rrer t tercect. A ew
et prctce py cue, ut y excue. A gct uer yte w experece
ey g ee r tercect, ze percetge y e cke ecue tee rue.
F Itercect prceure cue y rrer t tercect. Few t geertr w
experece expete tercect, ew t tte et prctce re pte. My t t
DG yte w e cke r tercectg ecue te tr.
N ttewe pcy ext
Note: Te ollowing grade cards contain summaries o states net metering programs and interconnection proceduresusing inormation rom the Database o State Incentives or Renewables & Eciency (DSIRE) and IRECs Connect-
ing to the Grid monthly newsletter. Some states graded in past editions may be scored as N/A in this years edition.Te editors believe these interconnection guidelines to be insucient or not comprehensive enough to constitutestate-wide interconnection procedures, thus deserving a grade.
Te summaries presented here are based on inormation available as o September 13, 2011. For urther inormation,details and updates on state net metering policies and interconnection procedures, visit:
DSIRE: www.reu.rg
IREC: www.recu.rg Database of State Incentives for Renewables & EfficiencyDSIREDSIRE
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[ 26 ] Freeing the Grid 2011
Alaska
Net Metering
2007
2008
2009
B
2010
C
2011
Interconnection
2007
2008
2009
2010
2011
E R/
O :
Sr Ter Eectrc, Ptvtc,
L G, W, B,
Hyreectrc, Geter Eectrc,
Mucp S Wte, Hyrketc,
Aerc Dget, S
Hyreectrc, Eergy, Wve
Eergy, Oce Ter
A S: Cerc, Iutr, Reet,
Nprt, Sc, Lc Gveret,
Stte Gveret, Feer Gveret,
Agrcutur, Ittut
A U: Utte wt u ret e
5,000,000 kW r re
S C L: 25 kW
A C
L:
1.5% verge ret e
N E G: Utte wt u ret e
5,000,000 kW r re
REC O: Nt ree
M A: Nt ree
E R/
O :
A S:
A U:
S C L:
S A:
I R:
E D
S:
N M R:
I Octer 2009, te Regutry C Ak (RCA) pprve et eterg regut. Tee rue were ze pprve y te
eutet gverr Jury 2010 ece eectve Jury 15, 2010. I My 2011, te RCA pprve tercect guee. A utte
uject t Ak et eterg regut re requre t ue reve tr tt re tercect.
Recommendation:
Apt IREC e tercect prceure
Recommendation:
Reve yte ze t w yte t e ze t eet
-te
Crryver NEG etey
Grt REC werp t cuter-geertr
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[ 27 ] Freeing the Grid 2011
Arizona
Net Metering
2007
B
2008
A
2009
A
2010
A
2011
Interconnection
C
2007
C
2008
C
2009
2010
2011
E R/
O :
Sr Ter Eectrc, Ptvtc,
L G, W, B, Hyreectrc,
Geter Eectrc, Mucp S Wte,
CHP/Cgeert, Hyrge, Bg,
Aerc Dget, S Hyreectrc,
Fue Ce ug Reewe Fue
A S: Cerc, Iutr, Reet,Nprt, Sc, Lc Gveret,
Stte Gveret, Ittut
A U: Ivetr-we utte, eectrc c-p
S C
L:
N cpcty t pece, ut yte ut
e ze t eet prt r cuter
eectrc y t excee 125%
cuter tt cecte
A C
L:
N t pece
N E
G:
Crete t cuter ext t ret rte;
exce recce uy t ve-ct
rte
REC O: Cuter w REC (ut e reque
t utty excge r trute
geert pyet)
M A: Nt ree
E R/
O :
Sr Ter Eectrc, Ptvtc,
L G, W, B,
Hyreectrc, Geter Eectrc,
Fue Ce, CHP/Cgeert,
Mcrture, Oter Dtrute
Geert ecge
A S: Cerc, Iutr, Reet
A U: Ivetr-we utte, SRP
S C L: Vre y utty
S A: Vre y utty
I R: Vre y utty
E D
S:
Vre y utty
N M R: N
Te Arz Crprt C (ACC) pte et eterg rue Octer 2008 wc ece eectve My 2009. Tee rue,wc ppy t vetr-we cpertve utte te tte, w et eterg r yte tt prve 125% r e te cuter pek
cecte . Net Exce Geert w e crete ty t te ret rte y reg NEG t te e te cer yer w e p
t te cuter, v ceck r g cret, t te utty ve ct pyet. Te ACC requre tt et eterg crge e ee
-crtry . Fr tercect, te Arz Crprt C (ACC) rece tt utte ue rt rue tt ppy r
yte up t 10 MW.
Recommendation:
Apt e rr guge t prtect cuter-geertr r extr
/r utcpte ee
Recommendation:
Mke te regutry requreet ur, ug IREC tr
tercect recet, r utte
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[ 28 ] Freeing the Grid 2011
Net Metering
C
2007
C
2008
C
2009
B
2010
B
2011
Interconnection
F
2007
F
2008
F
2009
F
2010
2011
Arkasas
E R/
O :
Sr Ter Eectrc, Ptvtc,
W, B, Hyreectrc,
Geter Eectrc, Mcrture
ug Reewe Fue, S
Hyreectrc, Fue Ce ug
Reewe Fue
E R/O
:
Sr Ter Eectrc, Ptvtc,
W, B, Hyreectrc,
Geter Eectrc, Fue Ce ug
Reewe Fue, Mcrture
A S: Cerc, Iutr, Reet,Geer Puc/Cuer, Nprt,
Sc, Lc Gveret, Stte
Gveret, Fe. Gveret,
Agrcutur, Ittut
A S: Cerc, Iutr, Reet,Geer Puc/Cuer, Nprt,
Sc, Lc Gveret, Stte
Gveret, Fe. Gveret,
Agrcutur, Ittut
A U: A utte (ucp utte t
uject t c rue)
A U: A utte (ucp utte t
uject t c rue)
S C L: 300 kW r -reet; 25 kW r
reet
S C L: 300 kW r -reet; 25 kW r
reet
A C
L:
N t pece S A: Ye
N E G: Crete t cuter ext t
ret rte; grte t utty t e
12-t g cyce
I R: Nt ree
REC O: Cuter w REC E D
S:
Nt requre r cert verter-e
yte; requre r ter yte
M A: Nt ree N M R: Ye
Recommendation:
Reve yte ze tt t w cuter t eet -te
eergy ee
Apt e rr guge t prtect cuter-geertr r extr/r utcpte ee
Recommendation:
Apt IREC e tercect prceure
Te prce r tercect y prty ree trug et eterg prv t ufcet r gre t et. Te
tr requre exter cect wtc, tug t y e wve r verter-e yte eetg cert requreet. Te w
utrze te APSC t w utte t e t crge /r ee r et eterg cuter. Te APSC reve et eterg tr
Apr 2007 t re te rver NEG te tretet REC. T reute ty rver NEG ut te e te u g
cyce, ter wc t grte t te utty. Cuter ret REC cte wt ter geert. A tr greeet ue r te
tercect cuter-we yte wc cue utu ect prv ut e t re urce requreet.
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[ 29 ] Freeing the Grid 2011
Net Metering
A
2007
B
2008
A
2009
A
2010
A
2011
Interconnection
C
2007
B
2008
B
2009
B
2010
B
2011
E R/
O :
Ptvtc, W, Fue Ce, Bg
r ure ete pruct r
ypruct te erc get
wte
E R/O
:
Sr Ter Eectrc, Ptvtc,
L G, W, B,
Hyreectrc, Geter Eectrc, Fue
Ce, Mucp S Wte, CHP/
Cgeert, Mcrture
A S: Cerc, Iutr, Reet,
Agrcutur
A S: Cerc, Iutr, Reet
A U: A utte (except LADWP): r
w; Ivetr-we utte: r, w,
g ue ce
A U: Ivetr-we utte
S C
L:
1 MW (10 MW r up t 3 g
geter)
S C L: N t pece
A C
L:
5% utty pek e (ttewe t
50 MW r g geter; 112.5 MW
r ue ce)
S A: Ye
N E
G:
Crete t cuter ext ty
t ret rte. Cuter y ece NEG
tretet uy.
I R: Vry y yte ze /r type; eve
ete y c
REC O: Cuter w REC. I cuter receve
pyet r reg et exce geert
t te e 12 t cyce, utty w
te REC cte wt te et exce
eectrcty purce.
E D
S:
Vre y utty yte ze
M A: Vrtu eter ggregt ut-y
re ug we
N M R: N
California
Recommendation:
Reve yte ze tt t w cuter t eet -te
eergy ee
Recommendation:
Reve requreet r reut exter cect wtc
Prt requreet r t urce
Cr rg et eterg w w ecte 1996 uequet eet ve cree te ege tecge ete ee
tructure, reutg te curret yte. A utte re uject t et eterg rue except r pucy-we utte wt 750,000 r re
cuter tt prve wter (y te L Agee Deprtet Wter Pwer t t ecrpt). Pucy-we utte c ce t
crprte te--ue rte ceue. Cuter ret werp REC. Furterre, t crge r ee re we. Begg
2009, Cr w e te rt tte t w vrtu et eterg r ut-y re ug ut ucpte. Legt
ecte 2010 re te ggregte et eterg t t 5.0% te utty ggregte cuter pek e. Cr Rue 21 gver te
tercect prce. Rue 21, pte 2000, gcty eret r te FERC tr tt Rue 21 e t cue eprte eve
tercect. Rter, ppct eter te prce t te e pt te rp ut ccrg t cpexty. Te Cr Sr
Ittve et g tg 3,000 MW y 2017.
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[ 30 ] Freeing the Grid 2011
Colorado
Net Metering
A
2007
A
2008
A
2009
A
2010
A
2011
Interconnection
C
2007
C
2008
C
2009
B
2010
B
2011
E R/
O :
Sr Ter Eectrc, Ptvtc,
W, B, Hyreectrc, Geter
Eectrc, Recyce Eergy, S
Hyreectrc, Fue Ce ug Reewe
Fue
E R/O
:
Sr Ter Eectrc, Ptvtc,
L G, W, B,
Hyreectrc, Geter Eectrc,
CHP/Cgeert, Aerc
Dget, Fue Ce, Mcrture
A S: Cerc, Iutr, Reet A S: Cerc, Iutr, Reet,
Nprt, Sc, Utty, Agrcutur,Ittut
A U: A utte (except r ucp
utte)
A U: A utte (except r
ucp utte)
S C
L:
120% te cuter verge u
cupt. Mu c-p cuter:
25 kW r -reet & 10 kW r
reet.
S C L: 10 MW
A C
L:
N t pece S A: Ye
N E
G:
Crete t cuter ext t ret rte I R: Vry y yte ze /r type; eve
ete y c
REC O: Cuter w REC (ut e reque
t utty r 20 yer excge r
cetve)
E D
S:
Nt ree
M A: Awe r IOU cuter; rue uer
evepet
N M R: N
Recommendation:
Ne
Recommendation:
Icree cvere yte cpcty t cver yte ze
Ete t urce requreet etrey
I Septeer 2009, te Cr PUC reee ec tt e ever cge t Cr et eterg rue r IOU. Tee cge
cue tg te xu yte ze r r eectrc yte r 2 MW t 120% te u cupt te te; reeg te t
cue ctguu prperty we y te cuer; wg yte wer t ke e-te eect wrtg t ve ter u
NEG crre rwr cret r t t t etey. I peerg ve, Cr pe egt tt w r Cuty
Sr Gre (CSG). Te CSG up t 2 MW ze tt ve t et 10 ucrer w receve kW cret ter utty prprt
t te ze ter ucrpt. Cr tercect prceure re ve t tree eve w te FERC tr. Legt
ecte Mrc 2008 requre ucp utte wt re t 5,000 cuter cpertve utte t er et eterg r reet
yte up t 10 kW cerc utr yte up t 25 kW.
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Connecticut
Net Metering
B
2007
B
2008
A
2009
A
2010
A
2011
Interconnection
D
2007
D
2008
D
2009
B
2010
B
2011
E R/
O :
Sr Ter Eectrc, Ptvtc,
L G, W, B, Hyreectrc,
Fue Ce, Mucp S Wte, S
Hyreectrc, Eergy, Wve Eergy,
Oce Ter
E R/O
:
Ptvtc, L G, W,
B, Hyreectrc, Fue Ce,
Mucp S Wte, CHP/
Cgeert, Mcrture, Oter
Dtrute Geert ecge
A S: Cerc, Iutr, Reet,
Nprt, Sc, Lc Gveret,Stte Gveret, Fe. Gveret,
Mut-Fy Reet, Agrcutur,
Ittut
A S: Cerc, Iutr, Reet,
Nprt, Sc, Lc Gveret,Stte Gveret, Fe. Gveret,
(A Eectrc Cuter)
A U: Ivetr-we utte A U: Ivetr-we utte
S C
L:
2 MW S C L: 20 MW
A C
L:
N t pece S A: Ye
N E
G:
Crete t cuter ext t ret
rte; exce recce uy t eter
ve-ct rte r te--ue/geert
rte (r PV yte)
I R: Vry y yte ze /r type; eve
ete y c
REC O: Cuter w REC E D
S:
Requre
M A: Nt ree N M R: N
Recommendation:
Reve yte ze tt t w cuter t eet -te
eergy ee
Apt e rr guge t prtect cuter-te geertr r
extr /r utcpte ee
Exp et eterg t utte (.e., u c-p)
Recommendation:
Reve requreet r reut exter cect wtc
Reve requreet r t urce
Exp tercect prceure t utte (.e., u
c-p)
Te Cectcut Deprtet Puc Utty Ctr (DPUC) pprve tercect guee r yte up t 20 MW 2007. Tee
tr ppy y t IOU cue tree eve tercect. A exter cect wtc requre, we ty urce. Net
eterg ve t C I reewe eergy yte up t 2 MW. NEG r ver t te ext t t te ret rte te utty cpete
te cuter r y NEG t te ve ct t te e te u per. Te DPUC rere Cectcut Lgt Pwer t ccute te
reureet r PV yte r y NEG t te e uze per te--ue/geert . Tere tte t te
ggregte cpcty et-etere yte utty ervce terrtry. A te, Cectcut pe ew eergy w (Puc Act 11-80) 2011.
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[ 32 ] Freeing the Grid 2011
Net Metering
B
2007
B
2008
A
2009
A
2010
A
2011
Interconnection
F
2007
F
2008
D
2009
F
2010
A
2011
E R/
O :
Ptvtc, W, B,
Hyreectrc, Aerc Dget, S
Hyreectrc, Fue Ce
E R/O
:
Sr Ter Eectrc, Ptvtc,
W, B, Hyreectrc,
Aerc Dget, Fue Ce, Oter
Dtrute Geert ecge
A S: Cerc, Iutr, Reet,
Nprt, Sc, Lc Gveret,
Stte Gveret, Fe. Gveret,Agrcutur, Ittut
A S: Cerc, Iutr, Reet,
Nprt, Sc, Lc Gveret,
Stte Gveret, Fe. Gveret,Agrcutur, Ittut
A U: A utte A U: A utte (y Derv Pwer
uject t c rue)
S C
L:
DP&L: 2 MW r -reet DP&L
cuter; 500 kW -reet DEC
ucp utty cuter; 25 kW
r reet cuter; 100 kW r
r cuter reet rte
S C L: 10 MW
A C
L:
5% pek e (utte y cree
t)
S A: Ye
N E
G:
Crete t cuter ext t ret rte;
ete rver pertte ut cutery requet pyet t te eergy uppy
rte t te e uze per.
I R: At ty urce t
requre r yte tt eet certtecc tr
REC O: Cuter ret werp REC
cte wt eectrcty pruce
cue y te cuter
E D
S:
Requre r yte rger t 25 kW
M A: Nt ree N M R: N
Recommendation:
Aw et eterg r tr prte ug te PPA e
Recommendation:
Ne
Delaware
Net eterg we Dewre r yte up t 25 kwtt (kW) r reet cuter DP&L, DEC ucp eectrc utte;
tw egwtt (MW) per eter r -reet cuter DP&L; 500 kW per eter r -reet cuter DEC ucp
utte. Legt ecte Juy 2009 w r ete rver NEG, grt cuter-geertr werp REC cree te
ggregte prtcpt t t 5% pek . Delaware greatly improved their interconnection rules in 2011 by adopting IRECs model standards.
Tey are subject of Freeing the Grids in focus section.
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[ 33 ] Freeing the Grid 2011
Net Metering
F
2007
C
2008
B
2009
B
2010
B
2011
Interconnection
F
2007
F
2008
B
2009
B
2010
B
2011
E R/
O :
Sr Ter Eectrc, Ptvtc,
W, B, Hyreectrc, Geter
Eectrc, Fue Ce, CHP/Cgeert,
Aerc Dget, S Hyreectrc,
Eergy, Mcrture
E R/O
:
Sr Ter Eectrc, Ptvtc,
L G, W, B,
Hyreectrc, Geter Eectrc, Fue
Ce, Mucp S Wte, CHP/
Cgeert, Aerc Dget,
S Hyreectrc, Eergy, Wve
Eergy, Oce Ter, Mcrture
A S: Cerc, Reet A S: Cerc, Iutr, Reet,
Nprt, Sc, Lc Gveret,
Stte Gveret, Fe. Gveret,
Ittut
A U: Ivetr-we utte A U: Ivetr-we utte
S C
L:
1 MW S C L: 10 MW
A C
L:
N t pece S A: Ye
N E
G:
Crete t cuter ext t te u
ret rte r yte 100 kW r e r
t geert rte (.e., ve ct) ryte rger t 100 kW; cret y e
crre rwr etey
I R: Vry y yte ze /r type; eve
ete y c
REC O: Cuter utty w REC E D
S:
Nt requre r verter-e yte
up t 10 kW; requre r ter
yte
M A: Nt ree N M R: N
Recommendation:
Reve yte ze tt t w cuter t eet -te
eergy ee
Apt e rr guge t prtect cuter-te geertr r
extr /r utcpte ee Aw cuter t ret REC
Recommendation:
Icree cvere yte cpcty t 20 MW
Prt requreet r reut exter cect wtc
Prt requreet r t urce
District of Columbia
Net eterg currety ve t D.C. reet cerc cuter-geertr wt yte pwere y reewe-eergy urce,
ce et pwer (CHP), ue ce crture. Legt ecte Octer 2008 expe te t vu yte ze
r 100 kW t 1 MW. A 2008 PSC rer cre tt NEG r DG yte crete t te u ret rte urg g cyce. I Feru-
ry 2009 te D.C. PSC ue rer etg tercect prceure r yte up t 10 MW, ug ur-tere pprc t creeg
crter. Tee ter pecy prce r -exprtg yte te cectg t etwrk.
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[ 34 ] Freeing the Grid 2011
Net Metering
2007
A
2008
A
2009
A
2010
A
2011
Interconnection
2007
D
2008
B
2009
B
2010
C
2011
E R/
O :
Sr Ter Eectrc, Ptvtc,
W, B, Hyreectrc, Geter
Eectrc, CHP/Cgeert, Hyrge,
S Hyreectrc, Eergy, Wve
Eergy, Oce Ter
E R/O
:
Sr Ter Eectrc, Ptvtc,
L G, W, B,
Hyreectrc, Geter Eectrc,
CHP/Cgeert, Hyrge,
Aerc Dget, S
Hyreectrc, Eergy, Wve
Eergy, Oce Ter
A S: Cerc, Iutr, Reet,
Nprt, Sc, Lc Gveret,
Stte Gveret, r Gveret, Fe.
Gveret, Agrcutur, Ittut
A S: Cerc, Iutr, Reet,
Geer Puc/Cuer, Nprt,
Sc, Lc Gveret, Stte
Gveret, r Gveret, Fe.
Gveret, Agrcutur, Ittut
A U: Ivetr-we utte A U: Ivetr-we utte
S C
L:
2 MW S C L: 2 MW
A C
L:
N t pece S A: Ye
N E
G:
Crete t cuter ext t ret rte;
exce recce uy t ve-ctrte
I R: Vry y yte ze /r type; eve
ete y c
REC O: Cuter w REC E D
S:
Nt requre r verter-e yte
up t 10 kW; requre r ter
yte
M A: Nt we N M R: Ye
Recommendation:
Exp et eterg t utte (.e., u c-p)
Reve yte ze tt t w cuter t eet -te
eergy ee
Recommendation:
Icree cvere cpcty r 2 MW t 20 MW
Reve requreet r reut exter cect wtc
rger yte
Reve requreet r t urce rger yte
Florida
Te tercect et eterg tr pte y te Fr Puc Servce C Mrc 2008 ppy y t vetr-we
utte. Te tr cue tree rekpt tercect, ut t te cpcty vu tercecte et-etere yte t
2 MW. Mty NEG crete t te cuter ext t te utty ret rte; t te e te yer, u exce geert crete t te
ve-ct rte. Cuter ret REC. Syte ver 10 kW re uject t t tercect ppct ee, tue urce
requreet, we requre exter cect wtc. Te tr cue tr r greeet. Legt ecte Juy 2008
requre ucp utte eectrc c-p t evep trze tercect greeet et eterg prgr r cuter-we
reewe geert y Juy 1, 2009. Te w t prve cer tr r et r ucp utte eectrc c-p te PSC
e t t utrty ver tee utte.
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[ 35 ] Freeing the Grid 2011
Net Metering
F
2007
F
2008
F
2009
F
2010
F
2011
Interconnection
F
2007
F
2008
F
2009
2010
2011
E R/
O :
Net Meterg E R/O
:
A S: Ptvtc, W, Fue Ce A S:
A U: Cerc, Iutr, Reet A U:
S C
L:
A utte S C L:
A C
L:
100 kW -reet; 10 kW reet S A:
N E
G:
0.2% utty pek e urg
prevu yer
I R:
REC O: Crete t cuter ext t
preetere rte e wt te
c
E D
S:
M A: Nt ree N M R:
Recommendation:
Reve yte ze tt t w cuter t eet -te
eergy ee Icree prgr cpcty t t et 5% utte pek e
Apt e rr guge t prtect cuter-te geertr r
extr /r utcpte ee
Recommendation:
Te tte u pt IREC e tercect prceure
Georgia
Legt ecte 2001 purre te evepet et eterg tercect prceure r reet cuter wt yte e t
10 kW cerc cte wt yte e t 100 kW. Te ggregte yte cpcty te t 0.2% te utty pek .
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[ 36 ] Freeing the Grid 2011
Net Metering
C
2007
C
2008
C
2009
B
2010
B
2011
Interconnection
F
2007
F
2008
F
2009
F
2010
F
2011
E R/
O :
Ptvtc, W, B,
Hyreectrc, S Hyreectrc
E R/O
:
Sr Ter Eectrc, Ptvtc,
L G, W, B,
Hyreectrc, Geter Eectrc, Fue
Ce, Mucp S Wte, CHP/
Cgeert, Mcrture, Oter
Dtrute Geert ecge
A S: Cerc, Reet, LcGveret, Stte Gveret, Fe.
Gveret
A S: Cerc, Iutr, Reet,Nprt, Sc, Stte Gveret,
Fe. Gveret
A U: A utte A U: Ivetr-we utte
S C
L:
100 kW r HECO, MECO, HELCO
cuter; 50 kW r KIUC cuter
S C L: N t pece
A C
L:
3% utty pek e r HELCO
MECO; 1% utty pek e
r KIUC HECO
S A: Ye
N E
G:
Crete t cuter ext t ret rte;
grte t utty t e 12-t g
cyce
I R: Aut t pece
REC O: Nt ree E D
S:
Requre
M A: Nt ree N M R: N
Recommendation:
Reve yte ze tt t w cuter t eet -te
eergy ee
Icree cpcty t t et 5% utty pek e
Recommendation:
Reve requreet r reut exter cect wtc
Prt requreet r t urce
Hawaii
Net eterg ve Hw r yte up t 50 kW r Ku I Utty Cpertve (KIUC) up t 100 kW r te tte tree
IOU (HECO, MECO HELCO). Ec tee ur utte et eterg prgr re gty eret ut ec et-e wt ter
prtcpt cp r yte 10 kW er. A utte re requre t evep pt prgr r rge yte. NEG crete t te cu-
ter ext ut te e 12-t per, t wc pt y reg NEG grte t te utty. I Octer 2008, Hw gverr
ge eergy greeet wt utte ter key pyer te tte, prt te Hw Ce Eergy Ittve. T greeet prve
tt tere u e yte-we cp et eterg, tt et eterg u trt twr ee--tr. A u cect wtc
requre, ut t ee re we r purpe tercect.
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[ 37 ] Freeing the Grid 2011
Net Metering
2007
B
2008
B
2009
B
2010
B
2011
Interconnection
2007
B
2008
B
2009
B
2010
B
2011
E R/
O :
Ptvtc, W, B,
Hyreectrc, Aerc Dget, S
Hyreectrc, Fue Ce ug Reewe
Fue, Mcrture
E R/O
:
Sr Ter Eectrc, Ptvtc,
L G, W, B,
Hyreectrc, Geter Eectrc,
Fue Ce, Mucp S Wte,
CHP/Cgeert, Aerc
Dget, Eergy, Wve Eergy,
Oce Ter, Mcrture, Oter
Dtrute Geert ecge
A S: Cerc, Iutr, Reet,
Nprt, Sc, Lc Gveret,
Stte Gveret, Fe. Gveret,
Agrcutur, Ittut
A S: Cerc, Iutr, Reet,
Nprt, Sc, Lc Gveret,
Stte Gveret, Fe. Gveret,
Agrcutur, Ittut
A U: Ivetr-we utte, tertve ret
eectrc upper
A U: Ivetr-we utte
S C
L:
40 kW S C L: N t pece
A C
L:
1% utty pek e prevu yer S A: Ye
N EG:
Crete t cuter ext t ret rte;grte t utty t e 12-t g
cyce
I R: Vry y yte ze /r type; eveete y c
REC O: Cuter w REC E D
S:
Requre
M A: Nt ree N M R: N
Recommendation:
Reve yte ze tt t w cuter t eet -te
eergy ee
Icree cpcty t t et 5% utty pek e
Recommendation:
Exp tercect prceure t utte (.e., u
c-p)
Illinois
Legt ecte I 2007 requre te I Crprt C t et et eterg tercect prceure y
Apr 2008. Net eterg w pte My 2008 tercect prceure r yte up t 10 MW were pte Augut 2008. Tee
tr ke et eterg ve t yte up t 40 kW wt ggregte t 1% ec utty pek e (rger yte re we,
ut ter tt re equvet t wt requre uer PURPA). Eectrc c-p ucpte re exept. NEG r-ver t te ext g
per t te ret rte ut expre t te e te yer. Cuter ret REC. I tercect rue ue ur-tere pprc t
revew tercect ppct. Te rue pecy prv r -exprtg yte te cectg t pt re etwrk. A
yte re requre t ve exter cect wtc recty ccee t te utty. Strze tercect greeet re ve r
ur ter.
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[ 38 ] Freeing the Grid 2011
Net Metering
F
2007
F
2008
F
2009
D
2010
B
2011
Interconnection
D
2007
D
2008
D
2009
C
2010
B
2011
E R/
O :
Sr Ter Eectrc, Ptvtc,
W, B, Hyreectrc, Fue Ce,
Hyrge, S Hyreectrc, Fue Ce
ug Reewe Fue
E R/O
:
Sr Ter Eectrc, Ptvtc,
L G, W, B,
Hyreectrc, Fue Ce, CHP/
Cgeert, Aerc Dget,
Fue Ce ug Reewe Fue,
Mcrture
A S: Cerc, Iutr, Reet,Nprt, Sc, Lc Gveret,
Stte Gveret, Fe. Gveret,
Mut-Fy Reet, Lw-Ice
Reet, Agrcutur, Ittut
A S: Cerc, Iutr, Reet,Nprt, Sc, Lc Gveret,
Stte Gveret, Fe. Gveret,
Agrcutur, Ittut
A U: Ivetr-we utte A U: Ivetr-we utte, regute
ucp utte, regute eectrc
cpertve
S C
L:
1 MW S C L: N t pece
A C
L:
1% utty t recet pek uer
S A: Ye
N EG:
Crete t cuter ext t ret rte;crre ver etey
I R: Aut pece y IURC r et-etere yte; t pece r ter
yte
REC O: Nt ree E D
S:
Utty cret
M A: Nt ree N M R: N
Recommendation:
Reve yte ze tt t w cuter t eet -te
eergy ee
Icree cpcty t t et 5% utty pek e
Icue cuter ce
Apt e rr guge t prtect cuter-te geertr r
extr /r utcpte ee
Exp et eterg t utte (.e., u c-p)
Recommendation:
Prt utty cret r reut exter cect wtc
Indiana
I tercect prceure were ee Nveer 2005 y te I Utty Regutry C (IURC) t prve tree eve
tercect. A exter cect wtc requre. Te et eterg rue pte y IURC 2004 ppy t vetr-we utte
t te ggregte yte t 0.1% te utty t recet uer pek . Tee rue w et eterg r reet cuter K-12
c; t te y tte et eterg prgr tt excue te cerc c. Net-etere cuter y t e uject t t ee,
ut urce y e requre. NEG crete t te cuter ext ; exprt NEG r ut-yer prtcpt t ree.
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[ 39 ] Freeing the Grid 2011
Net Metering
C
2007
C
2008
C
2009
B
2010
B
2011
Interconnection
D
2007
F
2008
F
2009
B
2010
B
2011
E R/
O :
Ptvtc, W, B,
Hyreectrc, Mucp S Wte, S
Hyreectrc
E R/O
:
Sr Ter Eectrc, Ptvtc,
L G, W, B,
Hyreectrc, Geter Eectrc,
Mucp S Wte, CHP/
Cgeert, Aerc Dget
A S: Cerc, Iutr, Reet A S: Cerc, Iutr, Reet,
Nprt, Sc, Lc Gveret,Stte Gveret, Fe. Gveret,
Agrcutur, Ittut
A U: Ivetr-we utte A U: Ivetr-we utte; L Cuty
REC
S C
L:
500 kW S C L: 10 MW
A C
L:
N t pece S A: Ye
N E
G:
Crete t cuter ext t ret rte;
crre ver etey
I R: Vry y yte ze /r type; eve
ete y c
REC O: Nt ree E D
S:
Utty cret
M A: Nt ree N M R: N
Recommendation:
Reve yte ze tt t w cuter t eet -te
eergy ee
Exp et eterg t utte (.e., u c-p)
Recommendation:
Prt requreet r reut exter cect wtc
Prt requreet r t urce
Iowa
Te Iw Utte Br (IUB) pte et eterg tr 1984. Te guee w cuter IOU t et eter reewe eergy
yte wt expct t yte ze r tt eret. Mre recet wver ve ee e t t yte ze t e cuter t
500 kW. Cge t Iw tercect prceure ccurre 2010 w ppy t trute geert cte up t 10 MW. Tetr et ur eve revew e prject ze cpexty. Te rue requre te ue trze tercect ppct
greeet ecette ty urce.
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[ 40 ] Freeing the Grid 2011
Net Metering
2007
2008
B
2009
B
2010
B
2011
Interconnection
2007
2008
F
2009
2010
2011
E R/
O :
Sr Ter Eectrc, Ptvtc,
L G, W, B, Hyreectrc,
S Hyreectrc, Fue Ce ug
Reewe Fue
E R/O
:
A S: Cerc, Iutr, Reet,
Sc, Lc Gveret, Stte
Gveret, Fe. Gveret,Agrcutur, Ittut
A S:
A U: Ivetr-we utte A U:
S C
L:
200 kW r -reet; 25 kW r
reet
S C L:
A C
L:
1% utty pek e urg prevu
yer
S A:
N E
G:
Crete t cuter ext t ret rte;
grte t utty t e 12-t g
cyce
I R:
REC O: Utty w REC E D
S:
M A: Nt ree N M R:
Recommendation:
Reve yte ze tt t w cuter t eet -te
eergy ee
Exp et eterg t utte (.e., u c-p)
Recommendation:
Te tte u pt IREC e tercect prceure
Kansas
Te K egture ecte tte-we et eterg tercect w My 2009 tt ppe t reet yte up t 25 kW
-reet yte up t 200 kW. T crre ggregte prtcpt t 1% te utty pek e r te prevu yer,
tug t cp c e cree trug erg prce t te K Crprt C (KCC). Net exce geert (NEG) y e cr-
re rwr r t t t tug NEG reg t te e te cer yer rete t te utty. Utte y requre extercect wtc tug tey y t requre cuter t purce t urce. Utte re re r crgg cuter
t ty, cpcty, tercect r ter ee tt wu t terwe e crge te cuter were t cuter-geertr. Te
w rect te KCC t requre pe ctrct r tercect et eterg greeet. Te cpcty et eterg yte
tercecte wt utte uer t w w cut twr cpce r te tte reewe eergy tr.
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[ 41 ] Freeing the Grid 2011
Net Metering
D
2007
B
2008
B
2009
B
2010
B
2011
Interconnection
2007
2008
F
2009
F
2010
F
2011
E R/
O :
Net Meterg E R/O
:
Ptvtc, W, B, S
Hyreectrc
A S: Ptvtc, W, B,
Hyreectrc, Bg, S Hyreectrc
A S: Cerc, Iutr, Reet,
Nprt, Sc, Lc Gveret,
Stte Gveret, Agrcutur,
Ittut
A U: Cerc, Reet, Nprt,Sc, Lc Gveret, Stte
Gveret, Agrcutur, Ittut
A U: Ivetr-we utte, eectrc c-p(except VA trut utte)
S C
L:
Ivetr-we utte, eectrc c-p
(except VA trut utte)
S C L: 30 kW
A C
L:
30 kW S A: Ye
N E
G:
1% utty ge-ur pek urg
prevu yer
I R: At ty urce t
requre r yte tt eet cert
tecc tr
REC O: Crete t cuter ext t ret rte;
crre ver etey
E D
S:
Utty cret
M A: Cuter w REC N M R: Ye
Recommendation:
Reve yte ze tt t w cuter t eet -te
eergy ee
Icree prgr cpcty t t et 5% utty pek e
Recommendation:
Te tte u pt IREC e tercect prceure
Kentucky
Ketucky et eterg w w expe Apr 2008 t yte up t 30 kW t vrety reewe tecge (prevuy, y PV
w we). Te PSC ue et eterg tercect rue Jury 2009 reut t w. NEG re-ver t te ext t
wt ppret exprt. Eectrcty geerte uer te--ue tr crete t te rte tt ppe t te te tt te eectrcty w
geerte. Te PSC y t te ggregte cpcty et eterg t 1% utty ge-ur pek . Ketucky tercect rue
ue tw-tere pprc t pecy revew crter te requreet exter cect wtc ee et up t ec utty cret.
At ty urce t requre r yte tt eet cert tecc tr.
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[ 42 ] Freeing the Grid 2011
Net Metering
B
2007
B
2008
B
2009
B
2010
C
2011
Interconnection
F
2007
F
2008
F
2009
2010
2011
E R/
O :
Ptvtc, W, B,
Hyreectrc, Geter Eectrc, S
Hyreectrc, Fue Ce ug Reewe
Fue, Mcrture
E R/O
:
A S: Cerc, Reet, Agrcutur A S:
A U: A utte A U:
S CL:
300 kW r cerc; 25 kW rreet
S C L:
A C
L:
0.5% utty ret pek S A:
N E
G:
Crete t cuter ext t ret rte;
crre ver etey
I R:
REC O: Nt ree E D
S:
M A: Nt ree N M R:
Recommendation:
Reve yte ze tt t w cuter t eet -teeergy ee
Reve te ggregte prtcpt t
Apt e rr regut t prtect cuter-te geertr
r extr /r utcpte ee
Recommendation:
Te tte u pt IREC tercect prceure
Louisiana
Rue et y te Lu Puc Servce C Nveer 2005 requre vetr-we utte rur eectrc c-p t er et eter-
g t reet cuter wt yte 25 kW r e t cerc cuter wt yte 100 kW r e. I Jue 2008, Lu
ecte egt creg te ege ze -reet yte t 300 kW. NEG crete t te cuter ext ty te
re-ver r ete per. I Juy 2011, te PSC ue rer tt w utte t e r upe te rue we te ggregte
prtcpt rece 0.5% te utty ret pek , wc t ee pece te egt.
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[ 43 ] Freeing the Grid 2011
Net Metering
C
2007
C
2008
B
2009
B
2010
B
2011
Interconnection
2007
2008
2009
A
2010
A
2011
E R/
O :
Sr Ter Eectrc, Ptvtc,
W, B, Hyreectrc, Geter
Eectrc, Fue Ce, Mucp S Wte,
CHP/Cgeert, (CHP/Cgeert
ce Apr 30, 2009), S Hyreectrc,
Eergy
E R/O
:
Sr Ter Eectrc, Ptvtc,
W, B, Hyreectrc,
Geter Eectrc, Mucp S
Wte, Eergy, Wve Eergy,
Oter Dtrute Geert
ecge
A S: Cerc, Iutr, Reet A S: Cerc, Iutr, Reet,Nprt, Sc, Lc Gveret,
Stte Gveret, Fe. Gveret
A U: A utte A U: A r Dtrut
Utte
S C
L:
660 kW r IOU cuter; 100 kW r
u c-p cuter (tug tey
y er up t 660 kW vutry)
S C L: Nt pece
A C
L:
N t pece S A: Vre y yte ze
N E
G:
Crete t cuter ext t ret rte;
grte t utty t e 12-t g
cyce
I R: Nt requre r verter-e yte
up t 1 MW; Vry y yte ze /
r type
REC O: Nt ree E D
S:
Nt requre
M A: Awe N M R: N
Recommendation:
Reve yte ze tt t w cuter t eet -te
eergy ee
Apt e rr guge t prtect cuter-te geertr r
extr /r utcpte ee
Recommendation:
Prve re crct te pute reut prce
Maine
I Apr 2009, te Me egture pe eergecy egt t w te PUC t pt rue yg te tte et eterg pcy. Net
eterg w uequety we r yte up t 660 kW cue g-efcecy CHP ege tecgy. Iteretgy, t rue
w e te rt te cutry t w r te re werp et-etere yte. Up t 10 eter y e ggregte gt ge
reewe cty. NEG crete t te wg t r 12 t, t wc pt t grte t te utty. Tere ggregte t et
eterg. Te Me Puc Utty C (PUC) pte tercect prceure Jury 2010, wc were e te 2006 IREC
e. Te rue ve ur ter r tercect wt ec vg ee tecc cree r evut. Sce tercect w e
IREC e rue (IREC upte te e 2009), Me tercect prceure re te trget te cutry.
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[ 44 ] Freeing the Grid 2011
Net Metering
A
2007
A
2008
A
2009
A
2010
A
2011
Interconnection
D
2007
B
2008
B
2009
B
2010
B
2011
E R/
O :
Ptvtc, W, B, Fue Ce,
CHP/Cgeert, Aerc Dget
E R/O
:
Sr Ter Eectrc, Ptvtc,
L G, W, B,
Geter Eectrc, Fue Ce,
CHP/Cgeert, A Dtrute
Geert , Aerc Dget,
Eergy, Wve Eergy, Oce
Ter, Oter Dtrute Geert
ecge
A S: Cerc, Iutr, Reet,
Nprt, Sc, Lc Gveret,
Stte Gveret, Fe. Gveret,
Agrcutur, Ittut
A S: Cerc, Iutr, Reet,
Nprt, Sc, Lc Gveret,
Stte Gveret, Fe. Gveret,
Agrcutur, Ittut
A U: A utte A U: A utte
S C
L:
2 MW geery, (30 kW r cr-CHP) S C L: 10 MW
A C
L:
1,500 MW (~8% pek e) S A: Ye
N E
G:
Crete t cuter ext t ret rte;
recce uy t te wee eergyrte
I R: Vry y yte ze /r type; eve
ete y c
REC O: Cuter w REC E D
S:
Requre
M A: Nt ree N M R: N
Recommendation:
Reve yte ze tt t w cuter t eet -te
eergy ee
Aw r eter ggregt
Cret Net Exce Geert t te ret rte prve te pt
ete rver
Recommendation:
Reve requreet r reut exter cect wtc
Icree t yte ze t 20 MW
Maryland
Mry ecte egt Apr 2007 requrg te tte Puc Servce C t eve tercect prceure, wc were pte
Mrc 2008. Tere re ur eve tercect ve t cuter utte wt yte up t 10 MW cpcty type
utte. Tere equpet requreet equvet t exter cect wtc, ut prceg ee re te t rger yte. Te 2007
egt cree te cpcty t r et-etere yte t 2 MW te ggregte yte cpcty t 1,500 MW. NEG r-ver t
te ext t ut te e yer, t wc pt t grte t te utty. I My 2009 te Mry egture ecte tt we
tr-prty werp cue CHP ege et eterg tecgy. Legt ecte My 2010, wever, wu ve verey
ecte w NEG wu e vue(eety t wee te ret rte)wever te w w reve g trug egt My
2011, wc prve ty rver et exce geert t te ret rte, u recct t te wee eergy rte. Cuter
ret REC re prtecte r y t ee.
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[ 45 ] Freeing the Grid 2011
Net Metering
C
2007
B
2008
B
2009
A
2010
A
2011
Interconnection
C
2007
B
2008
B
2009
A
2010
A
2011
E R/
O :
Sr Ter Eectrc, Ptvtc,
W, B, Hyreectrc, Geter
Eectrc, Fue Ce, Mucp S Wte,
CHP/Cgeert, Aerc Dget,
S Hyreectrc, Oter Dtrute
Geert ecge
E R/O
:
Sr Ter Eectrc, Ptvtc,
L G, W, B,
Hyreectrc, Geter Eectrc, Fue
Ce, Mucp S Wte, CHP/
Cgeert, Mcrture, Oter
Dtrute Geert ecge
A S: Cerc, Iutr, Reet,Nprt, Sc, Lc Gveret,
Stte Gveret, Fe. Gveret,
Agrcutur, Ittut
A S: Cerc, Iutr, Reet,Nprt, Sc, Lc Gveret,
Stte Gveret, Fe. Gveret
A U: Ivetr-we utte A U: Ivetr-we utte
S C
L:
10 MW r et eterg y ucpty
r ter gveret etty; 2 MW r
ter C III yte; 1 MW r
ter C II yte; 60 kW r ter
C I yte
S C L: N t pece
A C
L:
1% utty pek geer; 2%
utty pek r et eterg y
ucpte r gveret ette
S A: Ye
N E
G:
Vre y yte type cuter c I R: Vry y yte ze /r type; eve
ete y c
REC O: Cuter w REC E D
S:
Utty cret
M A: Negr et eterg we N M R: N
Recommendation:
Icree ver eret t t et 5% pek cpcty
Exte et eterg t utte
Recommendation:
Prt te ue reut exter cect wtc
Prt requreet r t urce
Massachusetts
I Jue 2009 te Deprtet Puc Utte pte et eterg rue ccrce wt 2008 w. Net eterg geery ve r
C I, II, III yte up t 2 MW, wt ggregte cpcty 1% trut cpy pek . A Octer 2010 uequety
we gveret gece t et eter yte up t 10 MW, cue eprte ggregte cpcty 2% r te cte. NEG re-
ver t-t-t t gty e-t-ret rte cret r et eterg cte y e trerre t ter cuter te e
utty g cert ct re et. Utte y ce t py r te et eterg cret r C III cte rter t ctg
cret. Mcuett rue ty prve r Negr Net Meterg wc w grup 10 r re reet cuter t
et ter eectrc trug e re yte. Itercect prceure ve ee ve, e r, t cuter te IOU
Mcuett ce Ferury 2004. IOU re prte r crgg et-etere cuter extr ee r requrg t urce. Tere re
tree eve tercect, cug pec guee r etwrk yte. A u exter cect wtc y e requre.
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Net Metering
F
2007
F
2008
B
2009
A
2010
A
2011
Interconnection
D
2007
D
2008
C
2009
C
2010
C
2011
E R/
O :
Ptvtc, L G, W, B,
Hyreectrc, Mucp S Wte,
Aerc Dget, S Hyreectrc,
Eergy, Wve Eergy
E R/O
:
Ptvtc, L G, W,
B, Hyreectrc, Fue Ce,
Mucp S Wte, CHP/
Cgeert, Aerc Dget,
S Hyreectrc, Eergy,
Wve Eergy, Mcrture, Oter
Dtrute Geert ecge
A S: Cerc, Iutr, Reet,
Nprt, Sc, Lc, Stte Fe.
Gveret, Agrcutur
A S: Cerc, Iutr, Reet,
Nprt, Sc, Lc Gveret,
Stte Gveret, Fe. Gveret,
Ittut
A U: Ivetr-we utte, eectrc
cpertve, tertve eectrc upper
A U: Ivetr-we utte, eectrc c-p
S C
L:
150 kW S C L: N t pece
A C
L:
0.75% utty pek urg prevu
yer
S A: Ye
N E
G:
Crete t cuter ext t ret
rte r yte 20 kW r e. Crre veretey
I R: Vry y yte ze /r type; eve
ete y c
REC O: Cuter w REC E D
S:
Nt ree
M A: Nt ree N M R: N
Recommendation:
Reve yte ze tt t w cuter t eet -te
eergy ee
Icree ggregte cpcty t 5% pek
Recommendation:
Reve requreet r t urce
Michigan
I My 2009 te Mcg PSC pte rue r et eterg reut egt pe Octer 2008. Te rue, wc currety ppy
t IOU, c-p tertve eectrc upper, pecy tt yte up t 20 kW re ege r true et eterg, t yte etwee
20 kW 150 kW re ege r e et eterg. Mete geter up t 550 kW re ege r et eterg. rue et eterg
ve ut ggregte cpcty rece 0.5% utty pek ; e et eterg ve ut prtcpt rece t
0.25% utty pek r yte 150 kW r e 0.25% r yte rger t 150 kW. Fr true et eterg, NEG urg g
per y e crre rwr t te ext g per t te ret rte. Me et eterg w NEG t crry ver y r te pwer uppy
cpet te ret rte. NEG y e crre rwr etey yte wer ret REC cte wt -te pruct. Te
Octer 2008 egt gty e te tte tercect prceure t prve r re cuter prtect. Te tr, wc
ppy t yte ze, re eprte t ve eve revew. Hwever, uer prpe jt utty ppct, t ct r
urter tuy revew te yte y e requre.
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Net Metering
C
2007
C
2008
C
2009
B
2010
F
2011
Interconnection
F
2007
F
2008
F
2009
D
2010
D
2011
E R/
O :
Ptvtc, L G, W, B,
Hyreectrc, Mucp S Wte,
CHP/Cgeert, Aerc Dget,
S Hyreectrc, Oter Dtrute
Geert ecge
E R/O
:
Sr Ter Eectrc, Ptvtc,
L G, W, B,
Hyreectrc, Geter Eectrc, Fue
Ce, Mucp S Wte, CHP/
Cgeert, Mcrture, Oter
Dtrute Geert ecge
A S: Cerc, Iutr, Reet A S: Cerc, Iutr, Reet,Nprt, Sc, Lc Gveret,
Stte Gveret, Fe. Gveret
A U: A utte A U: A utte
S C
L:
Le t 40 kW S C L: 10 MW
A C
L:
N t pece S A: Ye
N E
G:
Recce ty; cuter y eect t
tke cpet pyet r
cret t te ret utty eergy rte
I R: Vry y yte ze /r type; eve
ete y c
REC O: Nt ree E D
S:
Requre
M A: Nt ree N M R: N
Recommendation:
Reve yte ze tt t w cuter t eet -te
eergy ee
Apt e rr guge t prtect cuter-te geertr r
extr /r utcpte ee
Recommendation:
Reve requreet r reut exter cect wtc
Prt requreet r t urce
Furter eete ter t ccte eret eve cpexty
g yte type ze
Minnesota
Met et eterg egt w pte te ery 1980. Net eterg ere r yte up t 40 kW wt t ggregte
prgr cpcty. Te rue re uke t ter tte et eterg pce tt tey w utte t py cuter t te e te t
rer t purce NEG t te ret rte. Cpet y tke te r ctu pyet (.e., ceck r purce) r NEG r cret
te cuter . Te Met Puc Utte C evepe geerc tercect guee 2004 purut t Met
w. Tee tr re te t te tercect yte 10 MW r e requre utte t prve tree ur tercec-
t ppct prce tt ree ety, ecc rety ue. Te tr requre exter cect wtc
t urce.
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Net Metering
C
2007
C
2008
C
2009
C
2010
C
2011