America’s Dirtiest Power Plants

Continued from page 38
Table A-3. The Share of Each State’s Electricity-Sector Carbon Dioxide Pollution Contributed by the Top 5 Most-Polluting Power Plants
State Rank Plant Name Operator Name
Emissions
(Millon
Metric tons
of CO2)
Total
Emissions of
Top 5 Plants
(MMT of CO2)
Emissions
for Top 5 as
a Share of
Power-Sector
Total (2011)
Emissions for
Power-Sector
as a Share of
Statewide
Total (2010)
Estimated
Share of
Statewide
Emissions
Contributed by
Top 5±
OK 1 Muskogee Oklahoma Gas & Electric Co. 9.20 35.0 69% 46% 32%
2 Northeastern* Public Service Co. of Oklahoma 8.60
3 GRDA Grand River Dam Authority 7.17
4 Sooner Oklahoma Gas & Electric Co. 6.96
5 Hugo Western Farmers Elec Coop, Inc. 3.06
OR 1 Boardman* Portland General Electric Co. 3.24 5.9 89% 24% 22%
2 Hermiston Generating Plant Hermiston Generating Co., L.P. 0.92
3 Klamath Cogeneration Plant Pacific Klamath Energy Inc. 0.74
4 Port Westward Portland General Electric Co. 0.51
5 Hermiston Power Partnership Hermiston Power Partnership 0.45
PA 1 FirstEnergy Bruce Mansfield FirstEnergy Generation Corp. 16.39 55.7 48% 47% 22%
2 Hatfields Ferry Power Station* Allegheny Energy Supply Co., LLC 10.46
3 Keystone GenOn Northeast Management Company 10.00
4 Conemaugh GenOn Northeast Management Company 9.88
5 Homer City Station Midwest Generations EME, LLC 8.97
RI 1 Entergy Rhode Island State Energy, L.P. Entergy RISE 1.17 3.5 99% 28% 28%
2 Manchester Street Dominion Energy New England, LLC 1.01
3 Tiverton Power Plant Tiverton Power Inc. 0.61
4 Ocean State Power II Ocean State Power II 0.35
5 Ocean State Power Ocean State Power Co. 0.32
SC 1 Cross South Carolina Public Service Authority 12.89 26.3 70% 49% 34%
2 Winyah South Carolina Public Service Authority 5.03
3 Wateree South Carolina Electric & Gas Co. 3.76
4 Williams South Carolina Genertg Co, Inc. 2.46
5 Jasper South Carolina Electric & Gas Co. 2.16
*Indicates that this power plant is scheduled for retirement. 113
± Obtained by multiplying Emissions for Top 5 as a Share of Power-Sector Total (2011) by Emissions for Power-Sector as a Share of Statewide Total (2010) U.S. EIA does not have state-by-state data for
power-sector emissions for 2011.
Appendices 39