Essex Junction 19
Hydro and oil power plant in Chittenden County, Vermont. 16 MW of nameplate capacity across 9 generators, operated by Green Mountain Power Corp.
Also known as EIA plant 3737
Analyst: free account, 1 question a day.
Key facts
- Capacity
- 16 MWHydro 8.0 · Oil 8.0
- Generators
- 9 operatingEIA-860M, August 2026
- Operating since
- January 1917First generator online
- Operator
- Green Mountain Power CorpEIA operator ID 7601
- Grid
- ISO-NEBalancing authority ISNE
- Price nodes
- 2 ISONE nodesResource nodes with prices
- Location
- Chittenden County, VT44.4821, −73.1164
- EIA plant ID
- 3737EIA plant page
Data as of EIA-860M August 2026 (published 2026-09-24). Capacity is nameplate, not live output.
How much power Essex Junction 19 produces
Free · EIA-923Net generation, 2025
33.5 GWh
33,539 MWh, final
Capacity factor, 2025
23.9%
2024: 29.9%
January to July 2026
27.4 GWh
Provisional
Range, 2015 to 2025
31.0–50.8
GWh a year. Low 2016, high 2023
| Year | Net generation, MWh | Capacity factor | Months reported |
|---|---|---|---|
| 2000 | 32,658 | Not reported | 12 of 12 |
| 2001 | 19,436 | Not reported | 12 of 12 |
| 2002 | 31,592 | Not reported | 12 of 12 |
| 2003 | 36,025 | Not reported | 11 of 12 |
| 2004 | 38,369 | Not reported | 12 of 12 |
| 2005 | 41,067 | Not reported | 12 of 12 |
| 2006 | 50,057 | Not reported | 12 of 12 |
| 2007 | 40,348 | Not reported | 12 of 12 |
| 2008 | 50,169 | Not reported | 12 of 12 |
| 2009 | 47,778 | Not reported | 12 of 12 |
| 2010 | 44,121 | 31.5% | 12 of 12 |
| 2011 | 44,387 | 31.7% | 12 of 12 |
| 2012 | 40,722 | 29.0% | 12 of 12 |
| 2013 | 46,998 | 33.5% | 12 of 12 |
| 2014 | 36,867 | 26.3% | 12 of 12 |
| 2015 | 38,779 | 27.7% | 12 of 12 |
| 2016 | 30,958 | 22.0% | 12 of 12 |
| 2017 | 34,588 | 24.7% | 12 of 12 |
| 2018 | 32,007 | 22.8% | 12 of 12 |
| 2019 | 43,993 | 31.4% | 12 of 12 |
| 2020 | 35,655 | 25.4% | 12 of 12 |
| 2021 | 34,540 | 24.6% | 12 of 12 |
| 2022 | 35,667 | 25.4% | 12 of 12 |
| 2023 | 50,843 | 36.3% | 12 of 12 |
| 2024 | 41,968 | 29.9% | 12 of 12 |
| 2025 | 33,539 | 23.9% | 12 of 12 |
| 2026 (provisional, partial year) | 27,371 | 33.6% | 7 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 · ISONEEmissions
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 |
|---|---|---|---|
| H1 | Conventional Hydroelectric | 1.8 | January 1917 |
| H2 | Conventional Hydroelectric | 1.8 | January 1917 |
| H3 | Conventional Hydroelectric | 1.8 | January 1917 |
| H4 | Conventional Hydroelectric | 1.8 | January 1917 |
| H9 | Conventional Hydroelectric | 0.8 | March 2008 |
| IC-5 | Petroleum Liquids | 2.0 | October 2007 |
| IC-6 | Petroleum Liquids | 2.0 | October 2007 |
| IC-7 | Petroleum Liquids | 2.0 | October 2007 |
| IC-8 | Petroleum Liquids | 2.0 | October 2007 |
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 Green Mountain Power Corp as the operator, which is not always the owner.
Modeled data
ProPro adds modeled values for this plant. Everything above stays free.
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Power plants near Essex Junction 19
More plants operated by Green Mountain Power Corp
Questions about Essex Junction 19
How much power does Essex Junction 19 produce?
Essex Junction 19 reported 33,539 MWh (33.5 GWh) of net generation in 2025, a 23.9% capacity factor on 16 MW of nameplate capacity. From January to July 2026 it reported 27.4 GWh, which is provisional.
Where is Essex Junction 19?
Essex Junction 19 is in Chittenden County, Vermont, at 44.4821, −73.1164. It is in the ISO New England Inc. balancing area (ISNE).
Who operates Essex Junction 19?
EIA-860M for August 2026 lists Green Mountain Power Corp as the operator (EIA operator ID 7601). The operator is not always the owner.
Is Essex Junction 19 a hydro or a oil plant?
Both. Hydro capacity totals 8 MW and oil capacity totals 8 MW.
When did Essex Junction 19 start operating?
Its first generator began operating in January 1917, according to EIA-860M.
Does InfraMap have power prices for Essex Junction 19?
Yes. InfraMap has ISONE day-ahead and real-time prices at 2 price nodes linked to Essex Junction 19, with the hub price and node-to-hub basis. Prices are free with an InfraMap account; pricing node names are part of InfraMap Pro.
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)
- ISONE day-ahead and real-time prices; node and hub assignments as of 2026-10-05
Page updated 2026-10-04 from the InfraMap data build. Methodology · Data sources · EIA plant page