renewable energy challenges & opportunities a utility perspective
DESCRIPTION
Renewable Energy Challenges & Opportunities A Utility Perspective. El Paso Electric Company Specifics. Serving 387,000 Customers in W. Texas & S. Central NM. EL Paso Electric Company – Service Territory. Approximately 10,000 square miles. Summer Peaking Utility @ 1620 MW. - PowerPoint PPT PresentationTRANSCRIPT
Renewable EnergyChallenges & Opportunities
A Utility Perspective
EL Paso Electric Company – Service Territory• Serving 387,000 Customers in W. Texas & S. Central NM
• Approximately 10,000 square miles
• Summer Peaking Utility @ 1620 MW• Average Monthly Residential Customer Usage = 610 kWh
• 50%+ of Customers within 200% of National Poverty
El Paso Electric Company Specifics
El Paso Electric Company - Generation
Four Corners – 104 MW
Palo Verde– 633 MW
Rio Grande – 229 MW
Newman – 614 MW
Copper – 62 MW
EPE Owned Generation Capacity (MW) % of TotalPalo Verde (Nuclear) 633 39%Four Corners (Coal) 104 6%Rio Grande (Natural Gas) 229 14%Newman (Natural Gas) 614 37%Copper (Natural Gas) 62 4%Renewable (Wind) 1 0%Total 1643
El Paso Electric Company
Capacity (kW)
Energy (kWH)EPE's Annual Energy Sales Energy Mix %
Nuclear 45%Natural Gas 22%Coal 7%Purchased Power 26%
Total 100%
Continental U.S. Wind Energy Map
How it Really WorksGeneration Resource Deployment
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 240
300
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Hour of Day
Elec
tric
al L
oad
- Meg
a-W
atts
Summer Load Profile
Nuclear
CoalNewman – Local Natural Gas
Rio Grande – Local Natural GasPower Purchases
Copper – Natural Gas Peaking UnitOther Peaking Generation
Newman – Local Natural GasRio Grande – Local Natural Gas
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 240.00
0.50
1.00
1.50
2.00
2.50
2.5 MW PV Solar SystemAverage Daily Energy Production
Hour of Day
Meg
a - W
atts
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 240
50
100
150
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300
350
400
Peetz - Logan 400MW Wind Ranch04/15/2009
Hour of Day
Meg
aWatt
s
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 240
50
100
150
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Peetz - Logan 400 MW Wind Ranch07/15/2009
Hour of Day
Meg
aWatt
s
Capacity FactorUtility Definition: The hours of actual production vs. the hours of demand, expressed as a percentage.
Typical Capacity Factors by Resource Type
• Wind 32%• Solar 20 – 24%• Bio-Mass 75 – 90% • Geo-Thermal 75 – 90%• Hydro 75 - 90%
• Coal 75 – 90%• Natural Gas 75 – 90%• Fuel Oil 75 – 90%• Nuclear 80 – 95%
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 240
300
600
900
1200
1500
1800Daily Load Profile
Hour of Day
Elec
tric
al L
oad
- Meg
a-W
atts
Summer Load Profile
Nuclear
Coal
Newman – Local Natural Gas
Rio Grande – Local Natural GasPower Purchases
Copper – Natural Gas Peaking UnitOther Peaking Generation
400 MW Wind
Newman – Local Natural GasRio Grande – Local Natural Gas
(-) Capacity Factor(-) Dispatch Ability - Availability
Renewable EnergyChallenges & Opportunities
(-) Cost (esp. Solar)(-) Lack of Storage Capability
(+) Better Resource Forecasting(+) Economic Development (+) Better Cap. Factor through Site Diversification
(+) Technological Improvements