| Public Service Co of ColoradoInvestor Owned | 1,365,053 | 15.05¢ |
| City of Colorado SpringsMunicipal | 216,771 | 14.45¢ |
| CORE Electric CooperativeCooperative | 165,067 | 15.04¢ |
| United Power,Cooperative | 101,502 | 15.75¢ |
| Black Hills Colorado Electric, | 89,252 | 17.05¢ |
| City of Fort CollinsMunicipal | 70,803 | 13.21¢ |
| Mountain View Elec Assn,Cooperative | 59,789 | 15.52¢ |
| Holy Cross Electric Assn,Cooperative | 49,982 | 12.04¢ |
| Poudre Valley REA,Cooperative | 49,587 | 12.21¢ |
| City of LongmontMunicipal | 40,855 | 12.30¢ |
| La Plata Electric Assn,Cooperative | 39,931 | 16.71¢ |
| City of LovelandMunicipal | 37,007 | 14.40¢ |
| Delta Montrose Electric AssnCooperative | 32,575 | 14.97¢ |
| San Isabel Electric Assn,Cooperative | 23,289 | 17.78¢ |
| Yampa Valley Electric AssnCooperative | 23,253 | 16.76¢ |
| Mountain Parks Electric,Cooperative | 19,183 | 15.98¢ |
| Grand Valley PowerCooperative | 17,268 | 15.94¢ |
| City of FountainMunicipal | 17,242 | 13.74¢ |
| Empire Electric Assn,Cooperative | 12,899 | 15.31¢ |
| San Miguel Power Assn,Cooperative | 12,154 | 16.32¢ |
| San Luis Valley R E C,Cooperative | 9,115 | 18.38¢ |
| Southeast Colorado Power AssnCooperative | 8,148 | 17.22¢ |
| City of Fort MorganMunicipal | 5,999 | 6.97¢ |
| Morgan County Rural Elec AssnCooperative | 5,825 | 14.37¢ |
| Highline Electric AssnCooperative | 5,047 | 14.12¢ |
| Y-W Electric AssnCooperative | 4,876 | 15.64¢ |
| K C Electric AssociationCooperative | 3,404 | 13.09¢ |
| White River Electric Assn,Cooperative | 2,633 | 13.78¢ |
| Moon Lake Electric Assn | 1,526 | 9.35¢ |
| High West Energy, | 670 | 15.15¢ |
| Wheatland Electric Coop, | 31 | 18.37¢ |
| Tri-County Electric Coop, Inc (OK) | 9 | 16.03¢ |
| Southwestern Electric Coop | 5 | 19.90¢ |