According to Sustainable Industries Journal (July
2005), the nation’s greenest utilities combine ready access to
renewable energy sources with effective marketing to reach
environmentally savvy customers. And for the third year in a row,
the U.S. Department of Energy deems Austin Energy in Texas ‘the top
U.S. utility in terms of energy sales’ for generating 38.2 average
megawatts (aMV) using wind, landfill gas, and hydropower. The
runners up, in order, are:
| Utility | Headquarters | Resources | 2004 Sales (aMV) |
| Portland General Electric | Portland, Oregon | Geothermal, wind, small hydro | 29.9 |
| PacifiCorp | Portland, Oregon | Wind, biomass, solar | 21.9 |
| Sacramento Municipal Utility District | Sacramento, California | Landfill gas, wind, small hydro, solar | 20.2 |
| Xcel Energy | Minneapolis | Wind | 15.7 |
| National Grid USA | Northeast U.S. | Biomass, wind, small hydro, solar | 10.1 |
| Los Angeles Department of Power & Water | Los Angeles | Wind, landfill gas | 8.6 |
| OG&E Electric Services | Oklahoma City | Wind | 6.5 |
| Puget Sound Energy | Bellevue, Washington | Wind. solar, biogas | 5.3 |
| We Energies | Milwaukee | Landfill gas, wind, small hydro | 4.7 |
