Environmental Disclosure January 2005

Average Fuel Comparison
Fuel Source ESE Electricity   Regional Average Fuel Mix used To Generate Electricity
Coal 37.8%   71.3%
Nuclear 14.6% 24.0%
Natural Gas 6.2% 3.3%
Oil 0.2% 0.4%
Hydro 40.3% 0.5%
Renewable Fuels Total 0.9% 0.5%
   - Biofuel 0.0% 0.0%
   - Biomass 0.0% *** 0.1%
   - Landfill Gas 0.3% 0.0%
   - Solar 0.0% 0.0%
   -Solid Waste Incineration 0.0% 0.1%
   - Wind 0.1% 0.0%
   - Wood 0.5% 0.3%
   - Other 0.0%   0.0%
Airborne Emission & high Level Nuclear Waste Comparison
Type of Emission Total ESE system avg in lbs per mWh   Regional avg in lbs per mWh
Sulfer Dioxide 5.5   12.4
Carbon Dioxide 1404.3   2088.1
Oxides of Nitrogen 2.2   5.0
High-Level Nuclear Waste 0.0033   0.0074