Storage in New York
Horseblock Energy Storage System
The Horseblock BESS project is helping to build a secure and sustainable energy future in Suffolk County, New York. As a company dedicated to developing and delivering innovative energy solutions with long-term impact, our projects create jobs, build community partnerships, generate revenue for local governments and schools, and protect the environment.
Up to 100 MW of battery energy storage
400 MWh capacity
Enough stored energy to power the equivalent of approximately 80,000 New York homes for 4 hours
Located in the Town of Brookhaven, Suffolk County, NY
Project updates
Check back here for information on upcoming events, meetings, and information on project development.
Project details
- Sited on approximately 10.73 acres of privately owned land
- Features metal storage containers that will house racks of lithium-ion battery modules equipped with insulation and robust safety monitoring and management systems
- Long Island Power Authority (LIPA) customers will receive clean energy stored by the project
- AES will be the long-term owner and operator of the facility
- At the end of the project's life, a decommissioning plan allows for the land to return to uses consistent with land-use policies at the time
Our clean energy commitment
We believe in being a good neighbor, ensuring responsible clean energy development that creates long-term value and positive impact for both the environment and local communities without burdening existing infrastructure.
Economic and environmental benefits
The project is expected to generate substantial economic and environmental benefits for local communities and the region.
Expected project timeline
How clean energy benefits local communities
Long-term tax revenue to counties, towns and school districts
Job creation during construction and operation
Landowner income diversification, keeping land in the family
Local economic stimulus during construction
Affordable, reliable, locally produced clean energy
Partnering with communities for the future of clean energy
At AES, we understand that our success as a company is only as strong as our partnerships with the communities where we operate. That’s why we partner with communities, customers, state agencies, higher education, elected officials, and other key stakeholders to see how we can best work together to support sustainable social and economic development.
Local partnerships:
- Long Island Farm Bureau
- Citizens Campaign for the Environment
Additional information
Safety and sustainability best practices
At AES, safety is our highest priority, and we’ve focused on improving lives for more than 40 years. As a leading innovator in energy solutions, sustainability is core to both our strategy and our culture. We are committed to responsible land use and incorporating sustainable best practices into the entire project lifecycle to build a more resilient future.
Environmental and technical studies
We conduct a series of studies that ensure our projects are thoughtfully and responsibly designed, including but not limited to:
- Phase I Environmental Site Assessment – Completed by Langan, April 2023
- Habitat Assessment Report – Completed by Langan, July 2024
- U.S. Fish and Wildlife Service (USFWS) Threatened and Endangered Species Consultation – Completed by Langan, July 2024
- Aquatic Resources Delineation Report – Completed by Langan, October 2023
- New York State Department of Environmental Conservation (NYSDEC) Wetland Jurisdictional Determination – Received February 2024
- U.S. Army Corps of Engineers (USACE) No Permit Required (NPR) Determination – Received January 2024
- New York Office of Parks, Recreation and Historic Preservation (OPRHP) Consultation – Completed September 2023
- Town of Brookhaven Change of Zone Application – Initiated January 2024
- Noise Study – Completed by Ostergaard Acoustical Associates September 2024
- State Environmental Quality Review (SEQR) Process – Ongoing
Resources and FAQs
Download our FAQs to learn more
Meet your AES team
Mario Rice
Peggy Grant
Russell Henson
Caroline Grattan
Matthew Gibbs
Contact us
We appreciate your interest in AES’ Horseblock Energy Storage System . Please contact us using the information below.
If you have concerns or a complaint about the Horseblock Energy Storage System, please fill out the form here and a project representative will contact you within 2 business days.