East Hampton Diesel Power Plant: Peaking Facility in New York, USA

East Hampton is a diesel-fired power plant located in East Hampton, New York, United States. With a capacity of 27.3 MW, it is a small-scale peaking plant designed to meet electricity demand during peak load periods or emergencies. The facility is owned by National Grid Generation LLC and is currently operational. The plant uses diesel fuel, which is typical for peaking units that require quick start-up and flexibility. While diesel combustion produces higher CO2 and particulate emissions per MWh compared to natural gas, the plant's small capacity and infrequent operation limit its overall environmental footprint. In the United States, such facilities are subject to EPA regulations under the Clean Air Act, including emission standards for NOx, SO2, and particulate matter. East Hampton plays a role in ensuring grid stability in the eastern Long Island region, particularly during summer peaks when demand surges. Its location near populated areas underscores the importance of compliance with local air quality standards. The plant contributes to the reliability of the local power system, complementing larger base-load generators and renewable sources.

The East Hampton plant operates on diesel fuel, which has a higher carbon intensity and emits more SOx, NOx, and particulates per unit of electricity than natural gas. Its location in a coastal community raises considerations for local air quality, especially during peak operation. The plant's small capacity and peaking role mean it runs only a limited number of hours annually, reducing its overall environmental impact. Regulatory oversight under the US Clean Air Act ensures emission controls are in place to mitigate local effects.