To compare, in 2022, wholesale electricity prices averaged about $92 in New England, $90 in New York and $83 in the PJM West Hub, which runs from western Pennsylvania to Washington, D.C., according to U.S. Energy Information Administration (EIA) data. One megawatt (MW) can power about 1,000 U.S. homes but since wind is an intermittent resource - 1 MW of offshore wind can power about 500 U.S. homes, according to offshore wind developers. VINEYARD WIND 1The 800-MW project off the coast of Martha's Vineyard plans to start operations by the end of this year.