# Medway Grid

ISO-NE asset profile · https://askthegrid.com/assets/facilities/medway-grid

Medway Grid, LLC - Norfolk County - ISONE

Medway Grid is an operating 250 MW / 500 MWh standalone battery in Medway, Massachusetts. The project uses 141 Tesla Megapack 2 XL units and connects to Eversource's West Medway substation through a 1,465-foot underground 345 kV line.

## Metrics

- **Nameplate capacity:** 250 MW — Canonical EIA plant baseline.
- **Registry anchor:** Plant 69720 — plant-69720

## Facts

- **Technology:** Batteries
- **Operator:** Medway Grid, LLC

## Sources

- [advantagecap.com](https://www.advantagecap.com/news/advantage-capital-158m-tax-equity-medway-battery-storage-massachusetts) — advantagecap.com · public_source — Source retained for exact-record publication review.
- [mass.gov](https://www.mass.gov/doc/medway-grid-dpu-order/download) — mass.gov · authoritative — Source retained for exact-record publication review.
- [mass.gov](https://www.mass.gov/doc/medway-grid-tentative-decision/download) — mass.gov · authoritative — Source retained for exact-record publication review.

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Canonical page: https://askthegrid.com/assets/facilities/medway-grid
Website: [Medway Grid, LLC](https://vcrenewables.com/medway-grid-energy-storage-system/)

Source: Ask the Grid — https://askthegrid.com/