SolarOperatingISO-NE

Westtown CSG

Solar power plant in Orange County, New York. 2 MW of nameplate capacity across 1 generator, operated by Altus Power America Management, LLC.

Also known as Westtown (CSG) · EIA plant 62764

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Lockenhurst Pond SolarWesttown NY 2Minisink CSGMinisink Solar 1 LLC456 LowerWesttown CSG2 km
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6 plants within 5.0 km, from EIA coordinates.

Key facts

Capacity
2 MWNameplate
Generators
1 operatingEIA-860M, August 2026
Operating since
May 2019First generator online
Operator
Altus Power America Management, LLCEIA operator ID 60281
Grid
ISO-NEBalancing authority ISNE
Price nodes
None linkedNo verified ISO node
Location
Orange County, NY41.3450, −74.5610
EIA plant ID
62764EIA plant page

Data as of EIA-860M August 2026 (published 2026-09-24). Capacity is nameplate, not live output.

How much power Westtown CSG produces

Free · EIA-923

Net generation, 2025

3.25 GWh

3,254 MWh, final

Capacity factor, 2025

18.6%

2024: 18.4%

January to July 2026

Not reported

Provisional. 0 of 7 months reported

Range, 2020 to 2025

3.0–3.4

GWh a year. Low 2020, high 2022

Annual net generation, GWhCapacity factor below each year
Annual net generation from EIA-923
YearNet generation, MWhCapacity factorMonths reported
2000Not reportedNot reported0 of 12
2001Not reportedNot reported0 of 12
2002Not reportedNot reported0 of 12
2003Not reportedNot reported0 of 12
2004Not reportedNot reported0 of 12
2005Not reportedNot reported0 of 12
2006Not reportedNot reported0 of 12
2007Not reportedNot reported0 of 12
2008Not reportedNot reported0 of 12
2009Not reportedNot reported0 of 12
2010Not reportedNot reported0 of 12
2011Not reportedNot reported0 of 12
2012Not reportedNot reported0 of 12
2013Not reportedNot reported0 of 12
2014Not reportedNot reported0 of 12
2015Not reportedNot reported0 of 12
2016Not reportedNot reported0 of 12
2017Not reportedNot reported0 of 12
2018Not reportedNot reported0 of 12
20192,119Not reported8 of 12
20202,96316.9%12 of 12
20213,40719.4%12 of 12
20223,42519.5%12 of 12
20233,19618.2%12 of 12
20243,23318.4%12 of 12
20253,25418.6%12 of 12
2026 (provisional, partial year)Not reportedNot reported0 of 7

* 2026 covers January to July and is provisional. Capacity factor is net generation divided by nameplate capacity times the hours of each reported month.

Power prices and basis

Free account

No verified ISO price node is linked to this plant, or its price history could not load.

Emissions

Free · EPA CAMPD

No EPA emissions units are linked to this plant.

Water use

Free · EIA-923 cooling, USGS

No EIA cooling-water record for this plant in 2024. Plants without steam cooling, such as wind, solar and batteries, do not report cooling water.

Generators

Free · EIA-860M
GeneratorTechnologyNameplate MWOnline since
WTSolar Photovoltaic2.0May 2019

Ownership and offtake

Pro
Pro

Ownership and offtake are part of Pro

Owners and their shares, parent companies, and power purchase agreements with their buyers. EIA-860M lists Altus Power America Management, LLC as the operator, which is not always the owner.

Modeled data

Pro

Pro adds modeled values for this plant. Everything above stays free.

Modeled

Modeled curtailment

A range, not one number. The lower bound counts hours inside the production tax credit window; the upper bound is the no-credit case.

Modeled

Expected vs reported generation

Monthly modeled expected output and physical potential next to EIA-923 reported output.

Analyst and MCP

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Power plants near Westtown CSG

More plants operated by Altus Power America Management, LLC

Questions about Westtown CSG

How much power does Westtown CSG produce?

Westtown CSG reported 3,254 MWh (3.25 GWh) of net generation in 2025, a 18.6% capacity factor on 2 MW of nameplate capacity.

Where is Westtown CSG?

Westtown CSG is in Orange County, New York, at 41.3450, −74.5610. It is in the ISO New England Inc. balancing area (ISNE).

Who operates Westtown CSG?

EIA-860M for August 2026 lists Altus Power America Management, LLC as the operator (EIA operator ID 60281). The operator is not always the owner.

When did Westtown CSG start operating?

Its first generator began operating in May 2019, according to EIA-860M.

Sources

  • EIA-860 2025 (final) and EIA-860M August 2026: plant, generators, capacity, operator and location
  • EIA-923 monthly net generation, 2000 to July 2026 (2026 provisional)
  • Project names from the USGS U.S. Large-Scale Solar Photovoltaic Database

Page updated 2026-10-04 from the InfraMap data build. Methodology · Data sources · EIA plant page