Oral history interview with Chuck T. Collins conducted by Michael O'Rourke on October 19, 1999, as part of the Northwest Power Planning Council Oral History Project. Collins was a member of the council, now known as the Northwest Power and Conservation Council, from 1981 to 1986.

Oral history interview with Randy W. Hardy conducted by Michael O'Rourke from June 11 to September 10, 2002, as part of the Northwest Power Planning Council Oral History Project. Hardy served as the executive director of the Pacific Northwest Utilities Conference Committee from 1982 to 1984, and as CEO of the Bonneville Power Administration from 1991 to 1997.

Oral history interview with Jim W. Litchfield conducted by Michael O'Rourke from September 21-22, 2000, as part of the Northwest Power Planning Council Oral History Project. Litchfield was power planning director for the Northwest Power Planning Council, now known as the Northwest Power and Conservation Council, from 1981 to 1992.