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Battery storage illustration Battery storage · Middlesex County, New Jersey

Milltown Onsite BESS

A 13 MW battery storage project in Middlesex County, New Jersey. Milltown Onsite BESS has work under way on site. Public records name Milltown Onsite Generation, LLC as its developer. No public record read so far names its builder.

The record

What the public record says about Milltown Onsite BESS, as of 23 Oct 2026.

StageUnder construction
Construction startQ1 2026 estimate
Size13 MW
LocationMiddlesex County, New Jersey (to about 10 km)
DeveloperMilltown Onsite Generation, LLC
Grid operator—
Builder (EPC)Not named yet
Trade subcontractors in the app
People to call in the app
Phase windows in the app

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What happened

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

Also in Middlesex County

ProjectStageSize
Proposed Data Center DevelopmentData centersUnder construction—
QTSData centersUnder construction—
Unnamed 90 MW storage projectBattery storageQueued90 MW
Howell Solar FarmUtility solarOperating17 MW
Monroe Solar FarmUtility solarOperating13 MW
New Road SolarUtility solarOperating10 MW

More

Questions

Milltown Onsite BESS, in short.

Where is Milltown Onsite BESS?

Milltown Onsite BESS is a 13 MW battery storage project in Middlesex County, New Jersey. The public page places it to within about ten kilometres; the precise location is in the subscriber record.

When does construction start on Milltown Onsite BESS?

Groundtrace estimates construction started in the first quarter of 2026. 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 Milltown Onsite BESS?

Milltown Onsite Generation, LLC, as the public record names it.

Who is building Milltown Onsite BESS?

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

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