MWPowerPlantFacts
PowerPlantFactsEvidence report · prepared 2 September 2026https://powerplantfacts.com/entity/62652
EIA plant 62652

Winchendon · Worcester · MA

Happy Hollow CSG Hybrid

Operated by REA Investments, LLC

Annual generation8,591 MWhSum of represented EIA-923 rows
Fuel codesMWH, SUNCodes retained from EIA records
Grid contextISO New England Inc.Balancing authority or NERC region

Published location

Where is Happy Hollow CSG Hybrid?

This locator uses the coordinates in the approved source record. It shows geographic context, not a site boundary, safety zone or property-risk area.

42.606995, -72.045291

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Map data © OpenStreetMap contributors

Capacity is not generation. Nameplate MW describes equipment; annual MWh describes recorded output. Proposed and retired units are not added to operating capacity.

2024 monthly net generation

MonthNet generation
1190 MWh
2684 MWh
3710 MWh
4770 MWh
5879 MWh
6950 MWh
7968 MWh
8865 MWh
9804 MWh
10788 MWh
11579 MWh
12404 MWh

Operating generators

IDTechnologyFuelMWStatus
HHPVSolar PhotovoltaicSUN5OP
HHESSBatteriesMWH3.3OP

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Identity, technology and limitations
EIA plant ID
62652
Sector
IPP Non-CHP
Water source
Unavailable
Data edition
2024-final