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.

Oral history interview with Ed W. Sheets conducted by Michael O'Rourke from November 10, 1998, to September 28, 2000, as part of the Northwest Power Planning Council Oral History Project. Sheets discusses serving as executive director of the Northwest Power Planning Council, now known as the Northwest Power and Conservation Council, from 1981 to 1995.

Oral history interview with Al Wright conducted by Michael O'Rourke from April 15 to October 28, 2002, as part of the Northwest Power Planning Council Oral History Project. Wright was executive director of the Pacific Northwest Utilities Conference Committee from 1985 to the mid-1990s.