Nantucket Hybrid
Oil and battery storage project in Nantucket County, Massachusetts. 22.4 MW of nameplate capacity across 3 generators, operated by Nantucket Electric Co.
Also known as EIA plant 1615
This project groups Nantucket Hybrid (EIA 1615). EIA reports them as separate plants.
Analyst: free account, 1 question a day.
Key facts
- Capacity
- 22.4 MWOil 16.4 · Battery storage 6.0
- Generators
- 3 operatingEIA-860M, August 2026
- Operating since
- July 2019First generator online
- Operator
- Nantucket Electric CoEIA operator ID 13206
- Grid
- ISO-NEBalancing authority ISNE
- Price nodes
- None linkedNo verified ISO node
- Location
- Nantucket County, MA41.2583, −70.0517
- EIA plant ID
- 1615EIA plant page
Data as of EIA-860M August 2026 (published 2026-09-24). Capacity is nameplate, not live output.
How much power Nantucket Hybrid produces
Free · EIA-923Net generation, 2025
−442 MWh
−442 MWh, final
Capacity factor, 2025
-0.0%
2024: 0.1%
January to July 2026
Not reported
Provisional. 0 of 7 months reported
Range, 2015 to 2025
−724.0–291.0
MWh a year. Low 2022, high 2016
| Year | Net generation, MWh | Capacity factor | Months reported |
|---|---|---|---|
| 2000 | 0 | Not reported | 12 of 12 |
| 2001 | 161 | Not reported | 12 of 12 |
| 2002 | 145 | Not reported | 12 of 12 |
| 2003 | 196 | Not reported | 12 of 12 |
| 2004 | 255 | Not reported | 12 of 12 |
| 2005 | 826 | Not reported | 12 of 12 |
| 2006 | 163 | Not reported | 12 of 12 |
| 2007 | 98 | Not reported | 12 of 12 |
| 2008 | 140 | Not reported | 12 of 12 |
| 2009 | 162 | Not reported | 12 of 12 |
| 2010 | 191 | 0.3% | 12 of 12 |
| 2011 | 197 | 0.3% | 12 of 12 |
| 2012 | 191 | 0.3% | 12 of 12 |
| 2013 | 180 | 0.3% | 12 of 12 |
| 2014 | 168 | 0.3% | 12 of 12 |
| 2015 | 167 | 0.3% | 12 of 12 |
| 2016 | 291 | 0.4% | 12 of 12 |
| 2017 | 177 | 0.3% | 12 of 12 |
| 2018 | 146 | 0.2% | 12 of 12 |
| 2019 | 287 | Not reported | 5 of 12 |
| 2020 | 145 | 0.1% | 12 of 12 |
| 2021 | −145 | 0.0% | 12 of 12 |
| 2022 | −724 | -0.2% | 12 of 12 |
| 2023 | −364 | -0.0% | 12 of 12 |
| 2024 | −26 | 0.1% | 12 of 12 |
| 2025 | −442 | -0.0% | 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.
Generators
Free · EIA-860M| Generator | Technology | Nameplate MW | Online since |
|---|---|---|---|
| 18 | Petroleum Liquids | 15.4 | August 2019 |
| 19 | Petroleum Liquids | 1.0 | August 2019 |
| 20 | Batteries | 6.0 | July 2019 |
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 Nantucket Electric Co as the operator, which is not always the owner.
Modeled data
ProPro adds modeled values for this plant. Everything above stays free.
Generation potential vs reported
Monthly potential at seasonal net capability, next to EIA-923 output. Shows how much of the plant's capability was used.
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Questions about Nantucket Hybrid
How much power does Nantucket Hybrid produce?
Nantucket Hybrid reported −442 MWh (−442 MWh) of net generation in 2025.
Where is Nantucket Hybrid?
Nantucket Hybrid is in Nantucket County, Massachusetts, at 41.2583, −70.0517. It is in the ISO New England Inc. balancing area (ISNE).
Who operates Nantucket Hybrid?
EIA-860M for August 2026 lists Nantucket Electric Co as the operator (EIA operator ID 13206). The operator is not always the owner.
Is Nantucket Hybrid a oil or a battery storage plant?
Both. Oil capacity totals 16.4 MW and battery storage capacity totals 6 MW.
When did Nantucket Hybrid start operating?
Its first generator began operating in July 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)
Page updated 2026-10-04 from the InfraMap data build. Methodology · Data sources · EIA plant page