COMMERCIALIZATION OF THE ENERGY FROM THE BRAZILIAN NUCLEAR POWER PLANTS
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COMMERCIALIZATION OF THE ENERGY FROM THE BRAZILIAN NUCLEAR POWER PLANTS
Sergio G. MathiasLAS/ANS SymposiumRio de Janeiro, Brazil
June 13-16, 2005
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Angra 3
Angra 2 Angra 1
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Installed Capacity(82,109 MW)
1.6%2.3%
10.2% 6.0%
79.9%
Gross Generation(45,208 MWavg)
91.4%
1.6%3.0%
3.8%0.2%
BRAZILIAN ELECTRIC SYSTEM - YEAR 2004
0 .0 %0.0 %0.0 %0.0 %0.0 %Hydroelectric Nuclear Coal Gas Oil
Typical share of Angra 1 and Angra 2 in previous years : 4%
Production was lower in 2004 mainly because of two forced outages of Angra 2: failure of a Containment Isolation Valve (26 days) and malfunction of Electric Generator (32 days)
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Installed Capacity(82,109 MW)
1.6%2.3%
10.2% 6.0%
79.9%
Gross Generation(45,208 MWavg)
91.4%
1.6%3.0%
3.8%0.2%
BRAZILIAN ELECTRIC SYSTEM - YEAR 2004
0 .0 %0.0 %0.0 %0.0 %0.0 %Hydroelectric Nuclear Coal Gas Oil
Typical share of Angra 1 and Angra 2 in previous years : 4%
Production was lower in 2004 mainly because of two forced outages of Angra 2: failure of a Containment Isolation Valve (26 days) and malfunction of Electric Generator (32 days)
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SHAKESPEAREAN DILEMMA IN THE OPERATION OFTHE BRAZILIAN ELECTRIC SYSTEM
To dispatch or not to dispatch the thermal plants, that is the question!
Decision
Futurewater
inflowsOperational
consequences
WetOK
Right decision !
Using the reservoirs
Not using the reservoirs
(Thermal plants can supply only 20% of load demand)Dry Risk of deficit
OKRight decision !
Dry
(Waste of fossil fuel)WetWater spilling
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ENERGY
BRAZILIAN ELECTRIC SYSTEM
GENERATORS
CONSUMERS
G2G1
SpotMarket
DnD2D1
$
Financialcontracts
.............
.................
DISTRIBUTORS
ENERGY
Accounting ofcontracted / supplieddifferences
Gn
LoadDispatcher
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COMMERCIALIZATION OF THE ENERGY OF ANGRA 1 AND ANGRA 2
Estimated values for 2005: = - 330 MWavgSpot price = 8 US$/MWhComposed average tariff = 45 US$/MWh
ELETRONUCLEAR
FURNAS
+ x spot price(limited to + x tariff)
- x spot price(limited to - x tariff)
Contracted energy: 1,475 MWavg
Tariff: 37 US$/MWh(Charged regardless of actual supply)
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CONTRACTING OF ELECTRIC ENERGY
Freely negotiated contracts
Generators
Freely negotiatedprices
“Free” consumers(consumption > 3 MW)
Regulated contracts
Generators
Prices resultingfrom auctions
Distributors
Regulated tariffs
“Captive” consumers
ELETRONUCLEAR
Regulated tariff
FURNAS
Angra 1 Angra 2
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“Reference”Offer
Total Demand from the
Distributors
2nd round 3rd round 4th round1st round
Prices Amounts of energy offered by the Generators
AUCTIONS - FIRST PHASE-System specifies prices-Generators specify amounts of energy they want to sell
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C B A
APA=
Amounts of energy offered by the Generators
Contracted amounts
BPB
CPC
P1
P1 = Final price from the first phase
AUCTIONS - SECOND PHASE
Prices
Total demand from the Distributors
Generators specify amounts of energy they want to sell and prices (limited to prices resulting from the first phase)
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THANK YOU !!!
Sergio Mathias
ELETRONUCLEAR
Rio de Janeiro - Brazil