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) National Mining Association

12) NRG Energy

13) Pine Gate Renewables, LLC

14) Primergy Solar

15) Recurrent Energy, LLC

16) Regal Beloit America, Inc.