Mirant

(MIR)

will sell 750 megawatts of electricity to the

California Department of Water Resources

for the month of March.

Financial terms weren't disclosed. Mirant, formerly

Southern Energy

, will supply the power out of its plants in the western U.S. The California Department of Water Resources is acting as the electricity buyer for the state, which is still trying to get through a power crisis.

Mirant, which is based in Atlanta, is the latest energy company to sell power to California.

Calpine

(CPN)

signed a deal with the state

earlier this month and

Williams

(WMB) - Get Report

disclosed a

supply agreement yesterday.

In afternoon trading on the

New York Stock Exchange

, Mirant lost 95 cents, or 3.7%, to $25.

Southern Co.

(SO) - Get Report

owns 80% of Mirant.