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The Fort St. Vrain Nuclear Power Plant is a former commercial nuclear power station located near the town of Platteville in northern Colorado in the United States. It originally operated from 1979 until 1989. It had a 330 MWe High-temperature gas reactor (HTGR). The plant was decommissioned between 1989 and 1992.
The Fort St. Vrain Nuclear Power Plant generated 330 MW of electricity during years 1976 to 1989. [5] Decommissioning and removal of the nuclear components was completed in 1992. [6] The first natural gas combustion turbine was installed in 1995. Colorado had no utility-scale plants that used fissile material as a fuel in 2022. [1]
Refueling floor at Fort Saint Vrain HTGR, 1972. A high-temperature gas-cooled reactor (HTGR) is a type of gas-cooled nuclear reactor which uses uranium fuel and graphite moderation to produce very high reactor core output temperatures. [1] All existing HTGR reactors use helium coolant.
Fort Saint Vrain was an 1837 fur trading post built by the Bent, St. Vrain Company, and located at the confluence of Saint Vrain Creek and the South Platte River, about 20 miles (32 km) east of the Rocky Mountains in the unorganized territory of the United States, in present-day Weld County, Colorado.
Fort St. Vrain may refer to: Fort Saint Vrain (also known as St. Vrain's Fort), a historic 19th century trading post in northern Colorado;
The only graphite moderator damage was found to be localized around burning fuel elements. [2] [3] In the Chernobyl disaster, the graphite was a contributing factor to the cause of the accident. Due to overheating from lack of adequate cooling, the fuel rods began to deteriorate.
The Fort St. Vrain Generating Station, originally a nuclear power plant and now operating as a natural gas powered electricity generating facility operated by Xcel Energy, is approximately one-quarter-mile northwest of Platteville.
The force impinged on the lid of the reactor vessel, causing water and steam to spray from the top of the vessel. This extreme form of water hammer propelled top head shielding, remnants of fuel plates, five loose shield plugs, a nozzle flange, and the entire reactor vessel upwards. A later investigation concluded that the 26,000-pound (12,000 ...