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COMMERCIALIZATION OF THE ENERGY FROM THE BRAZILIAN NUCLEAR POWER PLANTS. Sergio G. Mathias LAS/ANS Symposium Rio de Janeiro, Brazil June 13-16, 2005. Angra 1. Angra 2. Angra 3. Typical share of Angra 1 and Angra 2 in previous years : 4% - PowerPoint PPT Presentation
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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
Angra 3
Angra 2 Angra 1
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)
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)
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
ENERGY
BRAZILIAN ELECTRIC SYSTEM
GENERATORS
CONSUMERS
G2G1
SpotMarket
DnD2D1
$
Financialcontracts
.............
.................
DISTRIBUTORS
ENERGY
Accounting ofcontracted / supplieddifferences
Gn
LoadDispatcher
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)
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
“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
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)
THANK YOU !!!
Sergio Mathias
ELETRONUCLEAR
Rio de Janeiro - Brazil