
In fact, power from landfill methane exceeds solar power in New York and New Jersey, and landfill methane in those states and in Connecticut powers generators that produce a total of 169 megawatts of electricity — almost as much as a small conventional generating station. The methane also provides 16.7 million cubic feet of gas daily for heating and other direct uses.
There is ample opportunity for energy-producing projects at more landfills, according to the EPA's Landfill Methane Outreach Program and officials and groups in the three states. As scouring for alternative energy intensifies, landfill methane is getting more attention from state, federal and local governments together with private energy and waste-management companies, landfill owners and energy entrepreneurs.
If it is not captured, the E.P.A. says, landfill methane becomes a greenhouse gas at least 20 times more potent than carbon dioxide, the principal greenhouse gas, when it rises into the atmosphere. The agency estimates that landfills account for 25 percent of all methane releases linked to human activity.
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