Financial

• Goldman Sachs

• EDF Energy

• Gulf Coast Power Association

• Karmic Kids Foundation

• NRG Energy

• Albert and Ethel Herzstein Charitable Foundation

• Iapetus Holdings

• AlliantGroup

• Calpine

• deBoulle

• HEB

• JERA Americas

• Trafigura

• USI

• Vaco

In kind

• Vitol

• Koch Industries

• Bank of America Merrill Lynch

• Mayor's Office – City of Houston

• NRG Energy

• ERCOT

• CyrusOne

• Baharestani & Ritt LLP