June 21, 2002

RICHMOND, Va. - Dominion Energy, a unit of Dominion (NYSE: D), announced Friday that all four units at the company's new 600-megawatt generation facility in Troy Township, Ohio, are in commercial operation.

The Troy facility cost about $230 million and consists of four natural gas-fired combustion turbines capable of generating 150 megawatts each. Peaking facilities such as these are designed to operate during periods of peak demand from customers - typically the hottest and coldest days of the year.

Dominion Energy is the electric power production and natural gas transportation and storage unit of Dominion, one of the nation's largest producers of energy, with a production capability of more than 3 trillion British thermal unit of energy per day. Dominion also serves 3.9 million franchise natural gas and electric customers in five states. For more information about Dominion, visit the company's Web site at www.dom.com.

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