- Aboitiz
- Business Sector (Luzon)
- Business Sector (Davao)
- Business Sector (Cebu)
- Generators and Distribution Utilities (Cebu)
- LEYECO I
- MECO
- Consumers (Davao) [1]
- Consumers (Davao) [2]
- Distribution Utilities (Luzon)
- European Chamber of Commerce
- LGUs, Academe, NGOs, Consumers (Cebu)
- PIPPA and Generators
- Flour Millers Association of the Philippines
- Hon. Raymond Democrito C. Mendoza
- Camarines Sur II Electric Cooperative, Inc. (CASURECO II)
- Dagupan Electric Corporation (DECORP)
- Palawan Electric Corporation (PALECO)
- P E P O A
- LEYECO II
- Marcial Ocampo (Power, Energy & Climate Change International Expert/Consultant; Formerly with DOE and Executive Director of DOST-PCIERD; Now Senior Power Generation Engineer/Consultant at SKM)
- NASECORE
- NEA
- PEMC
- PEZA
- Atty. Amanda Bengson (RESA)
- Trade Union Congress Party (TUCP Party-List) & Associated Labor Unions-TUCP
- Trade Union Congress Party (TUCP Party-List)
- TRANSCO