Rank |
Company |
Fortune 500 rank |
$ millions |
% change from 2008 |
$ millions |
% change from 2008 |
1 | Constellation Energy | 149 | 15,598.8 | -21.3 | 4,443.4 | N.A. |
2 | AES | 156 | 14,690.0 | -9.2 | 658.0 | -46.7 |
3 | American Electric Power | 172 | 13,489.0 | -6.6 | 1,357.0 | -1.7 |
4 | Energy Future Holdings | 246 | 9,546.0 | -16.0 | 344.0 | N.A. |
5 | NRG Energy | 263 | 8,952.0 | 29.6 | 942.0 | -20.7 |
6 | Williams | 276 | 8,255.0 | -33.2 | 285.0 | -79.9 |
7 | Integrys Energy Group | 302 | 7,499.8 | -46.6 | -70.9 | -156.1 |
8 | Calpine | 338 | 6,564.0 | -33.9 | 149.0 | 1390.0 |
9 | Global Partners | 368 | 5,818.4 | -35.5 | 34.1 | 62.1 |
10 | UGI | 369 | 5,737.8 | -13.7 | 258.5 | 20.0 |
Issue date: May 3, 2010.