SolarOperatingISO-NE

Hopkins Hill CSG

Solar power plant in Kent County, Rhode Island. 6.6 MW of nameplate capacity across 2 generators, operated by Nautilus Solar Solutions.

Also known as Hopkins Hill (CSG) · EIA plant 63136

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Exeter Ten (CSG)Exeter Renewables 1WSD CoventryRobin Hollow Solar10 Briggs Solar NG, LLC (East)GD West Greenwich Nooseneck I, LLCHopkins Hill CSG2 km
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6 plants within 6.8 km, from EIA coordinates.

Key facts

Capacity
6.6 MWNameplate
Generators
2 operatingEIA-860M, August 2026
Operating since
November 2020First generator online
Operator
Nautilus Solar SolutionsEIA operator ID 61227
Grid
ISO-NEBalancing authority ISNE
Price nodes
None linkedNo verified ISO node
Location
Kent County, RI41.6161, −71.5668
EIA plant ID
63136EIA plant page

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

How much power Hopkins Hill CSG produces

Free · EIA-923

Net generation, 2025

9.56 GWh

9,558 MWh, final

Capacity factor, 2025

16.5%

2024: 16.3%

January to July 2026

Not reported

Provisional. 0 of 7 months reported

Range, 2021 to 2025

9.4–10.5

GWh a year. Low 2024, high 2023

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
2019Not reportedNot reported0 of 12
2020490Not reported2 of 12
202110,23912.3%12 of 12
20229,515Not reported12 of 12
202310,543Not reported12 of 12
20249,43416.3%12 of 12
20259,55816.5%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
HH1Solar Photovoltaic3.3November 2020
HH2Solar Photovoltaic3.3November 2020

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 Nautilus Solar Solutions 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 Hopkins Hill CSG

More plants operated by Nautilus Solar Solutions

Questions about Hopkins Hill CSG

How much power does Hopkins Hill CSG produce?

Hopkins Hill CSG reported 9,558 MWh (9.56 GWh) of net generation in 2025, a 16.5% capacity factor on 6.6 MW of nameplate capacity.

Where is Hopkins Hill CSG?

Hopkins Hill CSG is in Kent County, Rhode Island, at 41.6161, −71.5668. It is in the ISO New England Inc. balancing area (ISNE).

Who operates Hopkins Hill CSG?

EIA-860M for August 2026 lists Nautilus Solar Solutions as the operator (EIA operator ID 61227). The operator is not always the owner.

When did Hopkins Hill CSG start operating?

Its first generator began operating in November 2020, 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