GD Hopkinton Main I, LLC
Solar power plant in Washington County, Rhode Island. 10.6 MW of nameplate capacity across 3 generators, operated by GD Hopkinton Main I, LLC.
Also known as EIA plant 63893
Analyst: free account, 1 question a day.
Key facts
- Capacity
- 10.6 MWNameplate
- Generators
- 3 operatingEIA-860M, August 2026
- Operating since
- November 2020First generator online
- Operator
- GD Hopkinton Main I, LLCEIA operator ID 63548
- Grid
- ISO-NEBalancing authority ISNE
- Price nodes
- None linkedNo verified ISO node
- Location
- Washington County, RI41.4383, −71.7811
- EIA plant ID
- 63893EIA plant page
Data as of EIA-860M August 2026 (published 2026-09-24). Capacity is nameplate, not live output.
How much power GD Hopkinton Main I produces
Free · EIA-923Net generation, 2025
15.8 GWh
15,847 MWh, final
Capacity factor, 2025
17.1%
2024: 16.9%
January to July 2026
Not reported
Provisional. 0 of 7 months reported
Range, 2021 to 2025
15.6–16.9
GWh a year. Low 2021, high 2022
| Year | Net generation, MWh | Capacity factor | Months reported |
|---|---|---|---|
| 2000 | Not reported | Not reported | 0 of 12 |
| 2001 | Not reported | Not reported | 0 of 12 |
| 2002 | Not reported | Not reported | 0 of 12 |
| 2003 | Not reported | Not reported | 0 of 12 |
| 2004 | Not reported | Not reported | 0 of 12 |
| 2005 | Not reported | Not reported | 0 of 12 |
| 2006 | Not reported | Not reported | 0 of 12 |
| 2007 | Not reported | Not reported | 0 of 12 |
| 2008 | Not reported | Not reported | 0 of 12 |
| 2009 | Not reported | Not reported | 0 of 12 |
| 2010 | Not reported | Not reported | 0 of 12 |
| 2011 | Not reported | Not reported | 0 of 12 |
| 2012 | Not reported | Not reported | 0 of 12 |
| 2013 | Not reported | Not reported | 0 of 12 |
| 2014 | Not reported | Not reported | 0 of 12 |
| 2015 | Not reported | Not reported | 0 of 12 |
| 2016 | Not reported | Not reported | 0 of 12 |
| 2017 | Not reported | Not reported | 0 of 12 |
| 2018 | Not reported | Not reported | 0 of 12 |
| 2019 | Not reported | Not reported | 0 of 12 |
| 2020 | 173 | Not reported | 2 of 12 |
| 2021 | 15,571 | 16.8% | 12 of 12 |
| 2022 | 16,885 | 18.2% | 12 of 12 |
| 2023 | 15,788 | 17.0% | 12 of 12 |
| 2024 | 15,777 | 16.9% | 12 of 12 |
| 2025 | 15,847 | 17.1% | 12 of 12 |
| 2026 (provisional, partial year) | Not reported | Not reported | 0 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 accountNo verified ISO price node is linked to this plant, or its price history could not load.
Emissions
Free · EPA CAMPDNo EPA emissions units are linked to this plant.
Water use
Free · EIA-923 cooling, USGSNo 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| Generator | Technology | Nameplate MW | Online since |
|---|---|---|---|
| MAIN1 | Solar Photovoltaic | 2.6 | November 2020 |
| MAIN2 | Solar Photovoltaic | 3.9 | November 2020 |
| MAIN3 | Solar Photovoltaic | 4.1 | November 2020 |
Ownership and offtake
ProOwnership and offtake are part of Pro
Owners and their shares, parent companies, and power purchase agreements with their buyers. EIA-860M lists GD Hopkinton Main I, LLC as the operator, which is not always the owner.
Modeled data
ProPro adds modeled values for this plant. Everything above stays free.
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.
Expected vs reported generation
Monthly modeled expected output and physical potential next to EIA-923 reported output.
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Questions about GD Hopkinton Main I
How much power does GD Hopkinton Main I, LLC produce?
GD Hopkinton Main I, LLC reported 15,847 MWh (15.8 GWh) of net generation in 2025, a 17.1% capacity factor on 10.6 MW of nameplate capacity.
Where is GD Hopkinton Main I, LLC?
GD Hopkinton Main I, LLC is in Washington County, Rhode Island, at 41.4383, −71.7811. It is in the ISO New England Inc. balancing area (ISNE).
Who operates GD Hopkinton Main I, LLC?
EIA-860M for August 2026 lists GD Hopkinton Main I, LLC as the operator (EIA operator ID 63548). The operator is not always the owner.
When did GD Hopkinton Main I, LLC 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)
Page updated 2026-10-04 from the InfraMap data build. Methodology · Data sources · EIA plant page