TVA John Sevier combined cycle plant begins commercial operation

Rogersville, Tenn., May 1, 2012 — The John Sevier Combined Cycle Plant, located near Rogersville, Tenn., began commercial operation April 30, a month ahead of schedule and about $30 million under budget. The plant uses natural gas to produce 880 MW of electricity, enough to power about half a million homes.

The first cycle of a combined cycle plant uses three combustion turbines similar to jet engines to produce electricity. The heat from the exhaust of the turbines is captured in a secondary system to produce steam that is sent to a steam turbine, which generates additional electricity.

The John Sevier Combined Cycle Plant not only uses clean natural gas as fuel, but also is constructed with equipment that reduces emissions to a very low level.

The plant will be managed by a TVA staff of about 30 employees. It is located next to the John Sevier coal-fired plant, where two of the four units will be retired and two units idled at the end of this year.

The plant is the second combined cycle facility to operate within the state of Tennessee, and the second new generation site constructed by TVA since 2002. It is the fifth combined cycle site for TVA. TVA's other combined cycle plants are Caledonia, Magnolia and Southaven, all located in Mississippi; and Lagoon Creek near Brownsville, Tenn.

TVA, a corporation owned by the U.S. government, provides electricity for business customers and distribution utilities that serve 9 million people in parts of seven southeastern states at prices below the national average. TVA, which receives no taxpayer money and makes no profits, also provides flood control, navigation and land management for the Tennessee River system and assists utilities and state and local governments with economic development.

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