| Customers & Partners | Account Contacts |
| Alabama Power Company (Southern Company) | R. Shumard/ W. Startt, Jr. |
| Alameda Power & Telecom | Karen Larsen - Bus. Dev. |
| American Electric Power Service Corporation | R. Shumard/ D. Abernathy |
| American Public Power Association | Karen Larsen - Bus. Dev. |
| Argonne National Laboratory | Andra Rogers - PM |
| Arkansas Electric Cooperative Corp. | P. Traynor/ D. Abernathy |
| Atlantic City Electric (Pepco Holdings, Inc.) | C. Almeter/ W. Startt, Jr. |
| Austin Energy | Anwar Hirany |
| BC Hydro | Michael Heinrich |
| Buckeye Power, Inc. | Anwar Hirany |
| CalETC | |
| California Air Resources Board | Mark Duvall - PM |
| California Energy Commission | Mark Duvall - PM |
| Carthage Water & Electric Plant | Karen Larsen - Bus. Dev. |
| CenterPoint Energy, Inc. | R. Shumard/ D. Abernathy |
| Central Hudson Gas & Electric Corporation | C. Almeter/ W. Startt. Jr. |
| City of Buffalo Utilities | Karen Larsen - Bus. Dev. |
| City of Melrose | Karen Larsen - Bus. Dev. |
| City of Redding Electric Utilities | Karen Larsen - Bus. Dev. |
| City of Rock Falls Electric Utility | Karen Larsen - Bus. Dev. |
| City of Shasta Lake | Karen Larsen - Bus. Dev. |
| Consolidated Edison Co. of New York | C. Almeter/ W. Startt. Jr. |
| Consumers Energy | P. Traynor/ D. Abernathy |
| CPS Energy | P. Traynor/ D. Abernathy |
| Dairyland Power Cooperative | P. Traynor/ D. Abernathy |
| Detroit Edison | C. Almeter/ W. Startt. Jr. |
| Dominion Resources, Inc. | B. Servatius/ W. Startt, Jr. |
| Duke Energy Corporation | R. Shumard/ W. Startt, Jr. |
| Emerald People's Utility District | Karen Larsen - Bus. Dev. |
| Exelon | R. Shumard/ D. Abernathy |
| FirstEnergy Service Company | R. Shumard/ D. Abernathy |
| Georgetown University | Andra Rogers - PM |
| Georgia Power Company (Southern Company) | R. Shumard/ W. Startt, Jr. |
| Golden Valley Electric Assn., Inc. | Anwar Hirany |
| Google | Mark Duvall - PM |
| Great River Energy | P. Traynor/ D. Abernathy |
| Hawaiian Electric Company, Inc. | M. Heinrich |
| Hetch Hetchy Water & Power | Anwar Hirany |
| Hoosier Energy Rural Electric Coop., Inc | P. Traynor/ D. Abernathy |
| Hydro-Quebec | C. Almeter/ W. Startt. Jr. |
| Independence Light & Power | Karen Larsen - Bus. Dev. |
| Indianola Municipal Utilities | Karen Larsen - Bus. Dev. |
| Jackson Energy Authority | Karen Larsen - Bus. Dev. |
| JEA (Jacksonville) | Anwar Hirany |
| Kansas City Power & Light Co. | P. Traynor/ D. Abernathy |
| Lincoln Electric System | Anwar Hirany |
| Long Island Power Authority | C. Almeter/ W. Startt. Jr. |
| Los Angeles Dept. of Water & Power | M. Heinrich |
| Manitoba Hydro | Anwar Hirany |
| Missouri River Energy Services | Karen Larsen - Bus. Dev. |
| Municipal Electric System of Oklahoma | Karen Larsen - Bus. Dev. |
| Murray City Power | Karen Larsen - Bus. Dev. |
| Nebraska Public Power District | P. Traynor/ D. Abernathy |
| New York Power Authority | C. Almeter/ W. Startt. Jr. |
| NOACA Cleveland Foundation | |
| NREL National Renewable Energy Laboratory | Andra Rogers - PM |
| Orange & Rockland | C. Almeter/ W. Startt. Jr. |
| Osage Municipal Light & Power Dept. | Karen Larsen - Bus. Dev. |
| Owatonna Public Utilities | Karen Larsen - Bus. Dev. |
| PacifiCorp | P. Traynor/ D. Abernathy |
| Pacific Gas & Electric Co. | M. Heinrich |
| Pasadena Water & Power Dept. | Anwar Hirany |
| Pepco Holdings, Inc. | C. Almeter/ W. Startt. Jr. |
| Portland General Electric Co. | Michael Heinrich |
| Progress Energy, Inc. | B. Servatius/ W. Startt, Jr. |
| Public Service Company of New Mexico | M. Heinrich |
| Public Service Electric and Gas Co. | C. Almeter/ W. Startt. Jr. |
| Richmond Power & Light | Anwar Hirany |
| Sacramento Municipal Utility Dist. | Anwar Hirany |
| Salt River Project | M. Heinrich |
| San Diego Gas & Electric Co. | M. Heinrich |
| Seattle City Light | Anwar Hirany |
| Snohomish County Public Utility District No. 1 | Anwar Hirany |
| South Coast Air Quality Management District | M. Heinrich |
| Southern California Edison Co. | M. Heinrich |
| Southern Company | R. Shumard/ W. Startt, Jr. |
| The On-Grid Hybrid ElectricConsortium (Federal Transit Authority, Kansas City Area Transportation Authority, Metropolitan Energy Center and EPRI) | Andra Rogers - PM |
| Traverse City Light & Power Dept. | Karen Larsen - Bus. Dev. |
| Tri-State G&T Association, Inc. | M. Heinrich |
| UNDP - United Nations Development Programme / GEF - Global Environment Facility (Brazil) | Andra Rogers |
| University of Delaware | Andra Rogers |
| Village of Lakeview | Karen Larsen - Bus. Dev. |
| Wadsworth Electric and Communications | Karen Larsen - Bus. Dev. |
| Waverly Light & Power | Anwar Hirany |
| We Energies | P. Traynor/ D. Abernathy |
| Wisconsin Public Power Inc. | Anwar Hirany |