Project Information
On April 1, 2025, Hillman Energy Center, LLC petitioned the Energy Facilities Siting Board (“the Siting Board” or “EFSB”), pursuant to G.L. c. 40A, § 3, to grant individual and comprehensive exemptions from the Town of Tewksbury, Massachusetts Zoning Bylaw (the “Zoning Bylaw”) to construct a 125 megawatt (“MW”) Battery Energy Storage System (“BESS”) and related infrastructure, including a new electric substation, on approximately 4.3 acres of previously developed industrial land located at 73-75 Hillman Street, as well as an approximately 1,200 foot long new electric transmission interconnection (“the Proposed Transmission Interconnection”) across three parcels of land; two are owned by New England Power Company d/b/a National Grid (“National Grid”) and the third is owned by the Massachusetts Bay Transportation Authority (“MBTA”) in Tewksbury, Massachusetts (collectively, the “Project”). Both the 4.3 acres located at 73-75 Hillman Street and the land owned by National Grid and the MBTA that will contain the proposed new electric transmission interconnection are collectively referred to herein as “the Project Site”. The Project will be interconnected to National Grid’s existing Tewksbury 22 Substation (“Interconnection Substation”), located off Power Company Road in Tewksbury.
Project Filing with EFSB
All documents related filed in relation to a proceeding are posted to the DPU Fileroom. The Fileroom page for a proceeding represents the official record for that proceeding. The public can access the Fileroom page for this proceeding at the following link:
Useful Information
EFSB Siting and Permitting Reform Updates
For more detailed information on the Siting process: Energy Facilities Siting Board Handbook (updated 2019) | Guía para fijar la ubicación de instalaciones energéticas (2019)