National Grid to connect 40MWh battery to wind farm in Long Island, New York

LinkedIn
Twitter
Reddit
Facebook
Email
A National Grid substation in the UK. The Long Island project will be hosted on land leased from National Grid at a substation. Image: Geograph.org.uk / David Neale

Investor-owned energy company National Grid, responsible for electricity and gas delivery in New York, Massachusetts and Long Island, will build a 5MW / 40MWh energy storage facility in Long Island with NextEra Energy.

A 50/50 joint venture between National Grid subsidiary National Grid Generation Ventures and NextEra Energy subsidiary Long Island Energy Storage Holdings will own and operate the battery energy storage system (BESS), on vacant land leased from National Grid. The joint venture company is called East Hampton Energy Storage Center (EHESC).

Located near a high voltage substation operated by the Long Island Power Authority (LIPA) – the non-profit which owns the retail transmission and distribution electric grids on the island – the facility will deliver stored energy to the substation in East Hampton.

The project came about after LIPA offered a request for proposals (RfP) for “sufficient local resources to meet expected peak load requirements on the South Fork (of Long Island)”. According to documents submitted by National Grid to the State of New York Public Service Commission (NYPSC), the BESS will help meet peak load in what is a “highly constrained” area of Long Island.

This article requires Premium SubscriptionBasic (FREE) Subscription

Enjoy 12 months of exclusive analysis

  • Regular insight and analysis of the industry’s biggest developments
  • In-depth interviews with the industry’s leading figures
  • Annual digital subscription to the PV Tech Power journal
  • Discounts on Solar Media’s portfolio of events, in-person and virtual

Or continue reading this article for free

LIPA selected the East Hampton battery project to provide local power production resources and transmission support to the substation. Under the RfP, the system, which will operate under a power purchase agreement (PPA) for 20 years, must be operational by 2018.

In January, state governor Andrew Cuomo approved the nearby 90MW offshore South Fork Windfarm. Once the wind farm is built, the battery facility will be used to absorb excess wind power generation, in addition to its role in supporting existing infrastructure, enabling constant energy output from the windfarm to the grid.

Read Next

August 7, 2025
AES Andes, part of the US-based energy giant AES, has launched construction on two hybrid renewables-plus-storage projects in Chile with 2.2GWh of co-located BESS.
August 6, 2025
Construction has officially started on the 100MW/400MWh 4-hour duration Merredin battery energy storage system (BESS) in Western Australia.
July 30, 2025
Maharashtra State Electricity Distribution Co (MSEDCL) has launched a multi-gigawatt battery storage tender supported by Viability Gap Funding (VGF).
July 29, 2025
The government of Portugal has announced plans to invest €400 million (US$466 million) to improve its grid management capabilities and increase its battery energy storage system (BESS) capacity.
July 22, 2025
The power generation arm of Manila Electric Company (Meralco) is developing its second large-scale battery storage project.

Most Popular

Email Newsletter