MWPowerPlantFacts
PowerPlantFactsEvidence report · prepared 2 September 2026https://powerplantfacts.com/entity/559
EIA plant 559

Windsor · Hartford · CT

Rainbow (CT)

Operated by Farmington River Power Company

Annual generation29,383 MWhSum of represented EIA-923 rows
Fuel codesWATCodes retained from EIA records
Grid contextISO New England Inc.Balancing authority or NERC region

Published location

Where is Rainbow (CT)?

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

41.915312, -72.693616

Open the interactive map ↗

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
12,756 MWh
23,209 MWh
35,432 MWh
45,536 MWh
53,224 MWh
61,511 MWh
71,733 MWh
82,226 MWh
9796 MWh
10671 MWh
11914 MWh
121,376 MWh

Operating generators

IDTechnologyFuelMWStatus
1Conventional HydroelectricWAT4OP
2Conventional HydroelectricWAT4OP

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Identity, technology and limitations
EIA plant ID
559
Sector
Electric Utility
Water source
Farmington River
Data edition
2024-final