History

Trinity Powerplant is a peaking plant with generated power dedicated to meeting the needs of the project facilities. Any remaining energy is then marketed to various preference customers in northern California, with Trinity County having first preference. Trinity Dam’s hydroelectric powerplant began operation in 1964 with a capacity of 100,000 kilowatt (kW) for its two generators.

In the mid-1980’s Reclamation uprated both generators by 20,000 kW by using advancements in high voltage technology bringing the current total capacity to 140,000 kW. werplant, Clear Creek Tunnel, Judge Francis Carr Powerhouse, Whiskeytown Dam and Lake, Spring Creek Tunnel and Powerplant, Spring Creek Debris Dam and Reservoir, and related pumping and distribution facilities.

Plan

Transmission lines were constructed and operated by the Bureau of Reclamation until October 1, 1977, when they were transferred to the Western Area Power Administration, Department of Energy Normal operations. Primary reservoir releases are made through the powerplant.

General