The following chart compares the environmental and fuel mix characteristics of Detroit Edison’s electric supply against regional averages for the last year.  Detroit Edison continues to increase our energy generated by renewable sources and reduce our emissions.  

Fuel Source
for the 12-month period
Jan. 2011 - Dec. 2011		Detroit Edison's Fuel Mix
Used to Supply Electricity		Regional Average Fuel Mix
Used to Generate Electricity
(MI, IL, IN, OH and WI)
Issued Nov. 2011
Coal75.0%64.66%
Nuclear20.3%24.03%
Gas2.5%7.11%
Oil0.2%0.42%
Hydroelectric0.1%0.68%
Renewable Fuels Total1.8%3.09%

Biofuel

0.93%0.13%

Biomass

0.02%0.40%

Solar

0.41%0.42%

Solid Waste Incineration

0.40%0.01%

Wind

0.06%1.70%

Wood

0.01%0.44%

 

 Detroit Edison fuel mix chart Regional average fuel mix chart

 

Fossil Plant Emission
or Nuclear Plant Waste
in pounds per MWh
Jan. 2011 - Dec. 2011		Detroit Edison Average
per Megawatt-hour
(MWh)		Regional Average (per MWh)
for Fossil/Nuclear Generation
(MI, IL, IN, OH, and WI)
Sulfur Dioxide7.1 lbs./MWh8.21 lbs./MWh
Carbon Dioxide2,122 lbs./MWh2,186 lbs./MWh
Nitrogen Oxides2.21 lbs./MWh2.01 lbs./MWh
High-Level Nuclear Waste0.0056 lbs./MWh0.0083 lbs./MWh

 

Greenhouse Gas Emissions
Jan. 2011 - Dec. 2011		Detroit Edison System
Average Fossil and
Nuclear Generation		2010 Regional Average
Fossil & Nuclear Generation
(MI, IL, IN, OH, and WI)
Carbon Dioxide1,715 lbs./MWh1,589 lbs./MWh

 

NOTE: Purchased electricity accounted for 15.1% of the electricity supplied by Detroit Edison during the period. The regional average fuel mix is provided by the U.S. Energy Information Administration and is used as a proxy for the actual fuel mix of certain electricity purchased by Detroit Edison because the actual fuel mix characteristics of that purchased electricity could not be discerned.

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