Thu, Sep 24, 2020

Mountaineer plant is first to capture and store CO2 onsite

This rooftop view of AEP’s Mountaineer plant in West Virginia shows the precipitator (at far left) that removes particulate matter. At the base of the stack, is the flue gas desulphurization unit (scrubber). At right is the base of the cooling tower. Photo courtesy American Electric Power
This rooftop view of AEP’s Mountaineer plant in West Virginia shows the precipitator (at far left) that removes particulate matter. At the base of the stack, is the flue gas desulphurization unit (scrubber). At right is the base of the cooling tower. Photo courtesy American Electric Power
IBB Projects  | 
the Boilermaker Reporter

LAST SEPTEMBER, AMERICAN Electric Power’s (AEP’s) Mountaineer power plant in New Haven, W.Va., began doing something no other plant in the world has ever done. It began capturing carbon dioxide (CO2) from a slipstream of exhaust flue gas and pumping it deep underground below the plant for permanent storage in a saline formation. The validation project required retrofitting an advanced chilled ammonia system to the existing coal-fired plant — work performed by members of Local 667 (Charleston, W.Va.) and other building trades.

Initial results of the pilot validation project have been so successful that in December 2009, the Department of Energy awarded a $334 million grant to AEP to bring the project to commercial scale (the total cost to do so is estimated at over $670 million).

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