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Big Thompson Powerplant

Photo of Big Thompson Powerplant
Related Projects & Facilities
Colorado-Big Thompson Project
Dille Diversion Dam
Related Documents
Big Thompson Powerplant Performance (pdf)
RegionFacilities in Great Plains | Great Plains Home Page
RiverColorado River and Big Thompson River
PurposeHydroelectric power is generated for the project. Water is taken from Flatiron Reservoir, passed through Big Thompson Powerplant, and returned to the Big Thompson River, as needed.
FactsThe plant operates under an effective head of 180 feet and has a generating capacity of 4,500 kilowatts.
HistoryThe water and power control center for the Colorado-Big Thompson Project`s reservoirs, powerplants, and transmission lines in Wyoming, Colorado, and western Nebraska is at the Western Area Power Administration facility in Loveland, Colorado.
Present ActivitiesProjects include a new plant fire alarm system, unit excitation system replacement, a new access bridge, and repairs to the Dille Diversion structure.
Future Planned ActivitiesPlant remote control (RTU SCADA and fiber communication) upgrades are planned to be completed in FY 2010. An upgrade to the governor is planned for FY 2013. Installation of online condition monitoring is planned for FY 2013. Turbine runner and wear ring replacement and a unit overhaul are scheduled to start in FY 2014.
Special IssuesPlant is only used on a seasonal basis, primarily during spring runoff.
Special IssuesMaintenance Costs show an increase in FY-2001 because of the Station Service Battery replacement, the Automation for Trifurcation Gates, and Conclusion of the ROM items.
NERC RegionWestern Electricity Coordinating Council, Rocky Mountain Power Area
PMA Service AreaWestern Area Power Administration, Rocky Mountain Region
Plant TypeConventional
Powerhouse TypeAbove Ground
Turbine TypeFrancis
Original Nameplate Capacity4,500 kW
Installed Capacity4,500 kW
Year of Initial Operation1959
Age54 years
Net Generation1,779,800 kWh
(Fiscal Year)2007
Rated Head180 ft
Plant Factor4.8 percent (seasonal)
(Fiscal Year)2007
Production ModeIntermediate
Remotely OperatedYes
Project AuthorizationFirst construction funds were provided by the Interior Department Appropriation Act of August 9, 1937 (50 Stat. 595). The President approved the Secretary`s finding of feasibility on December 21, 1937.
Project PurposeThe Colorado-Big Thompson Project is one of the largest and most complex natural resource developments undertaken by Reclamation. It consists of over 100 structures integrated into a transmountain water diversion system through which multiple benefits are provided to the people.
First name Jeff
Last name Cross
Title Supervisor II
Phone (Fax) 970 663-3212
Phone (Individual) 970 962-4320

Last updated: Jun 06, 2013