Overview
3H Port Washington Substation is an operational electrical substation in Port Washington, New York, owned by Long Island Power Authority. It plays a key role in local grid stability.
3H Port Washington Substation is an operational electrical substation located in Port Washington, New York, United States. Owned by Long Island Power Authority (LIPA), the facility is part of the regional transmission and distribution network serving Nassau County and the broader Long Island area. As a substation, it steps down high-voltage electricity for local distribution, supporting residential, commercial, and industrial customers. The substation operates under the regulatory framework of the New York Independent System Operator (NYISO) and adheres to North American Electric Reliability Corporation (NERC) reliability standards. Typical substations in this region operate at transmission voltages of 138 kV or 69 kV, stepping down to distribution levels. The facility's age and equipment specifics are not detailed, but it is part of LIPA's ongoing infrastructure modernization efforts. Environmentally, the substation is situated in a suburban coastal area, requiring resilience against weather events such as nor'easters and hurricanes. Its role in maintaining grid reliability is critical for the densely populated Long Island region, where power demand is high. The facility contributes to the stability of the local electrical infrastructure, supporting essential services and economic activity.
Environmental context
Located in a coastal suburban area, the substation faces environmental challenges including saltwater corrosion and storm surge risks. Its operation supports grid stability for a densely populated region with high energy demand, necessitating robust infrastructure to withstand extreme weather events common to the Northeastern United States.
Frequently asked questions
3H Port Washington Substation is located in Port Washington, New York, United States, at coordinates 40.827606, -73.687485.
The substation is owned by Long Island Power Authority (LIPA), a public utility serving Nassau County and Suffolk County on Long Island.
Substations like 3H Port Washington step down high-voltage electricity from transmission lines to lower voltages suitable for local distribution to homes and businesses, ensuring reliable power supply.
The substation operates under NERC reliability standards and is subject to FERC regulation for transmission-level assets, as well as NYISO market rules for grid operations.
By transforming voltage levels and managing power flow, the substation helps maintain grid stability, especially during peak demand or after weather events, supporting the resilience of Long Island's electrical infrastructure.