Battery Storage

A 508 MW battery storage project in Middlesex County, Massachusetts. Battery Storage has money committed on record: a signed interconnection agreement, a financing close or a tax-credit filing. No public record read so far names its builder.

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The record

What the public record says about Battery Storage, as of 23 Oct 2026.

Stage	Financed
Construction start	Q1 2027 estimate
Size	508 MW
Location	Middlesex County, Massachusetts (to about 10 km)
Developer	Not named in any record read
Grid operator	ISO-NE
Builder (EPC)	Not named yet
Trade subcontractors	in the app
People to call	in the app
Phase windows	in the app

Every fact in the app links to the public record behind it, with how many records agree and whether it is confirmed, reported or an estimate. What the terms mean.

What happened

Each change dated by the scene or the document, newest first.

No change on record since Groundtrace started tracking it.

Who was named on it, and when, is in the app.

Also in Middlesex County

Project	Stage	Size
Norman Street Battery StorageBattery storage	Financed	204 MW
Blodgett Solar CSGUtility solar	Operating	5 MW
HudsonUtility solar	Operating	5 MW
Kearsarge Riverpark IBattery storage	Operating	5 MW
Kearsarge Riverpark IIBattery storage	Operating	5 MW
Minuteman Energy StorageBattery storage	Operating	5 MW

Battery storage in Massachusetts Every industry in Massachusetts ISO-NE queue How to tell a project is about to break ground

Questions

Battery Storage, in short.

Where is Battery Storage?

Battery Storage is a 508 MW battery storage project in Middlesex County, Massachusetts, in ISO-NE's interconnection queue. The public page places it to within about ten kilometres; the precise location is in the subscriber record.

When does construction start on Battery Storage?

Groundtrace estimates construction starts in the first quarter of 2027. This is an estimate from the project's filings, not a date any record states; the exact date and the record behind it are in the subscriber record.

Who is developing Battery Storage?

No public record read so far names its developer.

Who is building Battery Storage?

No public record read so far names a builder for Battery Storage. Groundtrace leaves the field empty rather than guess, and fills it when a permit, a filing or the builder's own page names one.