| American Council for an Energy-Efficient Economy (ACEEE) | 2000 |
| Cedar Falls Utilities | 2011 |
| E Source | 2010 |
| East Kentucky Power Cooperative | 2012 |
| Edison Foundation Institute for Electric Innovation | 2009 |
| Energy Resources Center at UIC | 2000 |
| GTI | 2017 |
| Home Performance Coalition | 2015 |
| Mid-West Energy Research Consortium (M-WERC) | 2015 |
| Missouri Energy Initiative | 2014 |
| Ohio's Electric Cooperatives | 2014 |
| PACENation | 2018 |
| Smart Energy Consumer Collaborative | 2017 |
| The Climate Registry | 2015 |
| Wabash Valley Power Association | 2004 |
