Desert Renewable Energy Conservation Plan - DRECP Renewable Energy Conservation Plan ... 500/220 kV...

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Desert Renewable Energy Conservation PlanTransmission Technical Group

Application of Tinker Toy Component Methodology

By Patricia AronsShashi Pandey

Kevin Richardson

02/09/12

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Outline1. Educated assumptions for MW development within RESAs

2. Sizing the “Tinker Toy” Substation and Transmission Line Components

3. Estimating the number of required Substations and Transmission Lines

4. Estimating Acreage for identified Substations and Transmission Lines

5. Barstow RESA – Tinker Toy Components Analysis

6. Transmission Line Acreage Estimates with and without Helicopter Construction

7. Minimum Widths of ROWs for SCE Transmission Lines within the DRECP Footprint

8. Discussion

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SCE Service Territory and RESAs

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Educated Assumptions for MW Development within RESAsUsing the Preliminary Conservation Strategy Map

Assume MWs develop in favorable color

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2,715 MW, 89%3,064 MW, 89%

330 MW, 11%379 MW, 11%

4,932 MW, 57%1,183 MW, 57%

3,658 MW, 43%892 MW, 43%

0 MW, 0%621 MW, 100%

LegendCAISO/SCE MWRESA MW (2050)

760 MW, 51% of 1,504 MW1,063 MW, 51% of 2,084 MW

744 MW, 49% of 1,504 MW1021 MW, 49% of 2,084 MW

724 MW, 5% of 15,864 MW1,054 MW, 5% of 21,075 MW

12,773 MW, 81% of 15,864 MW17,070 MW, 81% of 21,075 MW

Tehachapi

2,432 MW, 15% of 15,864 MW3,161 MW, 15% of 21,075 MW

Antelope

Vincent

West Side of Barstow East Side

of Barstow

Lugo Area

Jasper Area

Red Bluff Colorado River

Correlating CAISO/SCE Generation Queue to RESAs for MW Locations

Sizing the “Tinker Toy” Components Part 1Some Approximate Collector Substation Sizes

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220/66 kV “A” Substation

500/220 kV “AA” Substation

220/66 kV “A” Substation• Approximately 77 Acres

• Capacitors and SVCs

• (4) 280 MVA Transformers

• 1,120 MVA Capacity (4 x 280)

500/220 kV “AA” Substation• Approximately 176 Acres

• Capacitors and SVCs

• (4) 1,120 MVA Transformers

• 4,480 MVA Capacity (4 x 1,120)

Sizing the “Tinker Toy” Components Part 2Some Approximate ROW Widths and Line Capacities

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Double Circuit 220 kV Tower Line Single Circuit 500 kV Tower Line

Two Double Circuit 220 kV Tower Lines Two Single Circuit 500 kV Tower Lines

100 ft. 200 ft.

150 ft.

Per new WECC Adjacent Circuits Definition

250 ft.

330 ft. - 450 ft.

Usable Transmission Line Capacity

500 kV 2B-2156 = ~ 1,200 MW

220 kV 2B-1590 = ~ 600 MW

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1,183 MW, 57%(1) AA Sub (2) Gen-ties(1) Delivery T/L

621 MW, 100%(1) A Sub(2) Gen-ties(1) Delivery T/L

Tinker Toy Component LegendRESA MW (2050)(1) AA Sub = 4,480 MW(1) A Sub = 1,120 MW(1) Gen-tie 220 kV T/L = 600 MW(1) Delivery 220 kV T/L = 600 MW(1) Delivery 500 kV T/L = 1,200 MW

1,063 MW, 51% of 2,084 MW(1) AA Sub(2) Gen-ties(1) Delivery T/L

17,070 MW, 81% of 21,075 MW(4) AA Subs(29) Gen-ties(14) Delivery T/Ls

Tehachapi

3,161 MW, 15% of 21,075 MW(1) AA Sub(6) Gen-ties(3) Delivery T/Ls

Antelope


Vincent

379 MW, 11%(1) A Sub(1) Gen-tie(1) Delivery T/L

West Side of Barstow

3,064 MW, 89%(1) AA Sub(5) Gen-ties(3) Delivery T/Ls

East Side of Barstow


Lugo Area

Jasper Area

892 MW, 43%(1) AA Sub (2) Gen-ties(1) Delivery T/L

Red Bluff

Colorado River

Estimating the Required Subs and Transmission Lines

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LegendRESA MW (2050)(1) AA Sub = 176 Acres(1) A Sub = 77 Acres(1) Gen-tie 220 kV T/L ROW = 100 ft.(1) Delivery 220 kV T/L ROW = 100 ft.(1) Delivery 500 kV T/L ROW = 200 ft.(2) Delivery 500 kV T/L ROW = 450 ft.

= Collector Substation

Gen-tie mi = RESA length/2Delivery mi = RESA length/2

Estimating Acreage for Substationsand Transmission LinesNot to Scale, for Discussion Purposes Only30 mi

40 mi25 mi

25 mi

40 mi

30 mi

25 mi

Kramer

Coolwater

Pisgah

Lugo

Barstow RESA ‐ Tinker Toy Components Application

379 MW, 11%(1) A Sub(1) Gen-tie(1) Delivery T/L




To LA Basin

To EldoradoTo Mohave

Legend: Tinker Toy Components

Jasper C.S.New Pisgah

C.S.Coolwater Expanded

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RESA New Solar Substation220 kV Gen‐tie (600 MW capacity)

500 kV “AA” Collector Substation (4,480 MW capacity)

500 kV Delivery Line (1,200 MW capacity)500 kV Existing Line

New Solar Generating PlantsNew Lower Voltage Lines

220 kV “A” Collector Substation (1,120 MW capacity)

220 kV Gen‐Tie for two Queued Projects (600 MW capacity)

CAISO approved Coolwater‐Lugo 220 kV Delivery LineDouble Circuit Tower

Transmission Line Acreage Estimates

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VoltageLevel

Towers Per Mile

ROWWidth (ft)

Each Tower Foundation Area (ft)

A f f e c t e d L a n d P e r M i l eNormal

(No Impacts)Sensitive*

(Helicopter Construction)

500 kV:• Single Circuit Tower Line

• Two Single Circuit Tower Lines

5(Minimum) 200 60’ x 60’ 27.1515 Acres

(With Road Access**)1.3774 Acres

(No Road Access)

5(Minimum)

450 40’ x 40’ 57.4545 Acres(With Road Access**)

2.0661 Acres(No Road Access)

220 kV:• Double Circuit Tower Line

• Two Double Circuit Tower Lines

5(Minimum)



5(Minimum)



*Helicopter construction will require a staging area .**Road access adds 24’ to ROW width.

Minimum Width of Right of Ways for SCE 500 kV and 220 kV Lines within DRECP Footprint

Transmission Line Name Voltage (kV) ROW Width (ft)Line ID 500 kV Lines

1 Midway‐Vincent No. 3 500 1802 Midway‐Vincent No. 2 500 2003 Midway‐Vincent No. 1 500 2004 Lugo‐Vincent No. 1,Lugo‐Vincent No. 2 500 3305 Lugo‐Serrano 500 2006 Lugo‐Mohave 500 1607 Lugo‐Mira Loma No. 2, Lugo‐Mira Loma No. 3 500 2008 Eldorado‐Lugo 500 1609 Devers‐Palo Verde 500 160

220 kV Lines10 Pearblossom‐Vincent 220 10011 Lugo‐Victor No. 1,Lugo‐Victor No. 2 220 10512 Lugo‐Pisgah No. 2 220 16013 Lugo‐Pisgah No. 1 220 16014 Kramer‐Lugo No. 1,Kramer‐Lugo No. 2 220 15015 Julian Hinds‐Mirage 220 30016 Coolwater‐Kramer No. 1,Coolwater‐Kramer No. 2 220 15017 Cima‐Eldorado‐Pisgah No. 2 220 20018 Cima‐Eldorado‐Pisgah No. 1 220 20019 Antelope‐Vincent,Antelope‐Mesa 220 20020 Antelope‐Magunden West,Antelope‐Magunden East 220 200

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SCE Lines Identifier Numbers on DRECP Footprint

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Discussion

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Backup Slides

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Simplified Preliminary Conservation Strategy

Map

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1,183 MW, 57%(1) AA Sub (2) Gen-ties(1) Delivery T/L

621 MW, 100%(1) A Sub(2) Gen-ties(1) Delivery T/L

LegendRESA MW (2050)(1) AA Sub = 4480 MW(1) A Sub = 1120 MW(1) Gen-tie 220 kV T/L = 600 MW(1) Delivery 220 kV T/L = 600 MW(1) Delivery 500 kV T/L = 1,200 MWUpgrades in progress




Vincent

Lugo Area

Jasper Area

Colorado River

Colorado River Sub & DCR T/L in

progress

892 MW, 43%(1) AA Sub (2) Gen-ties(1) Delivery T/L

Red Bluff

Red Bluff Sub & DCR T/L in progress

Jasper Sub in progress



Lugo-Pisgah 500 kV Upgrades

379 MW, 11%(1) A Sub, in progress (1) Gen-tie(1) Delivery T/L


Water Valley Sub in progress.

Existing 115 kV T/Ls are weak

SOK Project in progress

17,070 MW, 81% of 21,075 MW(4) AA Subs(29) Gen-ties(14) Delivery T/Ls

Tehachapi

TRTP Upgrades in

progress

TRTP Upgrades in progress

3,161 MW, 15% of 21,075 MW(1) AA Sub(6) Gen-ties(3) Delivery T/Ls

Antelope

TRTP Upgrades

in progress

Leveraging Existing and Planned Facilities

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Estimating Acreage for Substations and Transmission LinesFor Discussion Purposes Only

RESA Facility Feet ROW Acres RESA Facility Feet ROW AcresBarstow (East) (1) AA Sub N/A N/A 176 West Mohave (Vincent) (1) AA Sub N/A N/A 176

(5) Gen‐ties 220 kV 396,000 100 909 (2) Gen‐ties 220 kV 132,000 100 303(3) Delivery 500 kV 237,600 200 1,091 (1) Delivery 500 kV 66,000 200 303

Barstow (West) (1) A Sub N/A N/A 77 West Mohave (Antelope) (1) AA Sub N/A N/A 176(1) Gen‐ties 220 kV 79,200 100 182 (6) Gen‐ties 220 kV 475,200 100 1,091(1) Delivery 220 kV 79,200 100 182 (3) Delivery 500 kV 237,600 1,100 6,000

Blythe (Colorado River) (1) AA Sub N/A N/A 176 West Mohave (Tehachapi 1) (1) AA Sub N/A N/A 176(2) Gen‐ties 220 kV 121,440 100 279 (7) Gen‐ties 220 kV 739,200 100 1,697(1) Delivery 500 kV 60,720 200 279 (4) Delivery 500 kV 422,400 1,550 15,030

Blythe (Red Bluff) (1) AA Sub N/A N/A 176 West Mohave (Tehachapi 2) (1) AA Sub N/A N/A 176(2) Gen‐ties 220 kV 121,440 100 279 (7) Gen‐ties 739,200 100 1,697(1) Delivery 500 kV 60,720 200 279 (4) Delivery 500 kV 422,400 1,550 15,030

Owens Valley (1) A Sub N/A N/A 77 West Mohave (Tehachapi 3) (1) AA Sub N/A N/A 176(2) Gen‐ties 220 kV 158,400 100 364 (7) Gen‐ties 462,000 100 1,061(1) Delivery 220 kV 79,200 100 182 (3) Delivery 500 kV 198,000 1,100 5,000

West Mohave (Jasper) (1) AA Sub N/A N/A 176 West Mohave (Tehachapi 4) (1) AA Sub N/A N/A 176(2) Gen‐ties 220 kV 211,200 100 485 (7) Gen‐ties 462,000 100 1,061(1) Delivery 500 kV 105,600 200 485 (3) Delivery 500 kV 198,000 1,100 5,000

West Mohave (Lugo) (1) AA Sub N/A N/A 176Subtotal Acres = 54,329

(2) Gen‐ties 220 kV 211,200 100 485(1) Delivery 500 kV 105,600 200 485

Subtotal Acres = 7,000

Total Acres = 61,329

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