# Berkshire Power

ISO-NE asset profile · https://askthegrid.com/assets/facilities/berkshire-power

Berkshire Power Company, LLC - Hampden County - ISONE

Berkshire Power is a 289 MW natural-gas-fired combined-cycle independent power plant located at 36 Moylan Lane in Agawam, Hampden County, Massachusetts. The facility consists of one GEN2 combined-cycle single-shaft generator using an ABB GT24 combustion turbine, heat-recovery steam generator with selective catalytic reduction for NOx control, and condensing steam turbine generator. The facility does not provide combined heat and power. Primary fuel is natural gas, with distillate oil as backup fuel. The plant is currently owned and operated by Berkshire Power Company, LLC, a subsidiary of Tenaska Hampden Partners, LLC.

## Metrics

- **Nameplate capacity:** 289 MW — Canonical EIA plant baseline.
- **Registry anchor:** Plant 55041 — plant-55041

## Facts

- **Technology:** Natural Gas Fired Combined Cycle
- **Operator:** Berkshire Power Company, LLC

## Related parties

- **Owner / operator:** Berkshire Power Company, LLC — Current owner and operator ([source](https://www.iso-ne.com/participate/participant-asset-listings/directory?type=customer&id=50865))
- **Parent company:** Tenaska Hampden Partners, LLC — Parent company ([source](https://www.tenaska.com/))
- **Parent company:** Tenaska — Parent holding company ([source](https://www.tenaska.com/))
- **Developer:** Berkshire Power Development, Inc. — Original project developer
- **Developer / equity investor:** Power Development Company — Original development partner and co-owner
- **EPC contractor / construction contractor:** Black & Veatch Construction, Inc. — Original EPC contractor ([source](http://bv.com/))
- **EPC contractor / O&M provider / equipment supplier:** ABB Power Generation / ABB Alstom Power — Original EPC and technology supplier; O&M contractor for first ten years
- **O&M provider:** ABB Operations and Maintenance Department — Original O&M contractor
- **Interconnection counterparty / interconnecting utility:** Northeast Utilities — Original interconnecting utility
- **Regulator:** Massachusetts Department of Environmental Protection — State air-quality regulator ([source](https://www.mass.gov/orgs/massachusetts-department-of-environmental-protection))

## Sources

- [annualreport.tenaska.com](https://annualreport.tenaska.com/finance/) — annualreport.tenaska.com · public_source — Source retained for exact-record publication review.
- [api.eia.gov](https://api.eia.gov/v2/electricity/operating-generator-capacity/data/?api_key=DEMO_KEY&frequency=monthly&data%5B0%5D=nameplate-capacity-mw&data%5B1%5D=operating-year-month&data%5B2%5D=planned-retirement-year-month&data%5B3%5D=county&facets%5Bplantid%5D%5B%5D=55041&facets%5Bgeneratorid%5D%5B%5D=GEN2&start=2026-06&end=2026-06) — api.eia.gov · authoritative — Source retained for exact-record publication review.
- [gem.wiki](https://www.gem.wiki/Berkshire_power_station) — gem.wiki · public_source — Source retained for exact-record publication review.

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Canonical page: https://askthegrid.com/assets/facilities/berkshire-power
Website: [Berkshire Power Company, LLC](https://www.iso-ne.com/participate/participant-asset-listings/directory?type=customer&id=50865)

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