WA Parish Generating Station
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Through Watt, Natural gas and Coal
The Powder River Basin supplies three 115-car trainloads worth of low-sulfur coal to units 5-8 or 36,000 tons daily.
Completed in January 2017, the post-combustion Petra Nova Carbon Capture Project became largest installed on an existing power plant in the world. The system pumped 1.6 million tons of filtered carbon dioxide (CO2) from unit 8 to the West Ranch Oil Field 82 miles away in Jackson County. Since the system is powered by natural gas, it was originally expected to have a net effect of not releasing 785,000 tons of carbon annually. The system cost approximately $1 billion, but was idled from May 2020 to September 2023 due to the low price of oil during the COVID-19 pandemic.
Adjacent to Parish Station is the natural gas Brazos Valley Power Plant owned by Calpine Energy which opened in 2003.
Notable Incidents
During the 2021 Texas power crisis, Parish Station was reported to have experienced up to a 664 MW loss in generation capacity, including an 80 MW decrease in capacity early in the crisis that contributed to the need for rolling blackouts.
The Unit 8 turbine, which has a generating capacity of 610 MW, caught fire the night of May 8, 2022. While there were no injuries reported during the fire, a chemical exposure incident during the repairs briefly hospitalized six workers. The turbine was heavily damaged and remained offline as of August 2023. Unit 8 was originally expected to be repaired by May 7, 2023.