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Taftville

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Power plant · Hydro

Key facts

Power plant · Hydro Operating

Capacity: Capacity: sourceEIA-860M · Nov 4, 2026Open licenseMW

Commissioned: 1906
Net generation, 2025: 2,244 MWh
Grid: 23 kV to Connecticut Light & Power Co (ISNE)
Location: New London County, Connecticut
Operated by: FirstLight Power Resources Services LLC

Output

Net generation MWh by year, 2001 to 2025

Operations detail

Details

Who’s behind it

Owner: FirstLight Hydro Generating Company

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Technology: Hydro source: “Conventional Hydroelectric”
Age: 120 years since 1906

All 5 attributes from EIA-860M Preliminary Monthly Electric Generator Inventory

Attributes
Attribute	Value
Grid	Nerc region NPCC Report year 2025 Grid voltage kv 23 Transmission owner Connecticut Light & Power Co Balancing authority code ISNE Balancing authority name ISO New England Inc.
Fuel burned (MMBtu), 2025	7,658
Capacity factor, 2025	0.160
Net generation (MWh), 2025	2,244
Balancing authority code	ISNE

Ownership

2 companies

Companies with an ownership or operating interest in this asset.
Company	Role	Share	As of	Source
FirstLight Power Resources Services LLC	Operator			EIA-860M
FirstLight Hydro Generating Company	Owner	100.0%	Dec 31, 2025	EIA-860

Timeline

1906 In service · EIA-860M

Sources

4 sources

Sources EIA-860M · EIA · EIA-860M Preliminary Monthly Electric Generator Inventory · EIA-860 Annual Electric Generator Report — Schedule 4 Owner (ownership shares per generator), plus Plant/Generator schedules

Sources

EIA-860MOpen license · retrieved Nov 4, 2026
EIAOpen license · retrieved Nov 1, 2026Source: U.S. Energy Information Administration, Electricity bulk data (Form EIA-923 monthly plant series)
EIA-860M Preliminary Monthly Electric Generator Inventory
EIA-860 Annual Electric Generator Report — Schedule 4 Owner (ownership shares per generator), plus Plant/Generator schedules

Every source and license · Attribution

Around this plant

Nearby

Projects within 15 mi, nearest first.
Project	Kind	Away	MW
CMEEC - Hollyhock Solar Postponed	Solar	3.7 mi	6
Plainfield Solar One Under construction	Solar	7.3 mi	4
Lebanon Solar 2 Postponed	Solar	8.2 mi	2
Lebanon Solar 1 Postponed	Solar	8.3 mi	2
Subase Microgrid Project Postponed	Gas, reciprocating engine	12.1 mi	13.1

Sources EIA-860M

Sources

EIA-860MOpen license · retrieved Nov 4, 2026