1) American Clean Power Association

2) Ball Corporation

3) BPC Action (Bipartisan Policy Center)

4) Clearway Energy Group

5) Cypress Creek Renewables LLC

6) ENGIE NORTH AMERICA, INC.

7) IP Renewable Energy Holdings LLC

8) Microsoft Corporation

9) National Association of Water Companies

10) National Electrical Manufacturers Association (NEMA)

11) NRG Energy

12) Pine Gate Renewables, LLC

13) Primergy Solar

14) Recurrent Energy, LLC

15) Regal Beloit America, Inc.