Colchester 16
Oil power plant in Chittenden County, Vermont. 18 MW of nameplate capacity across 1 generator, operated by Green Mountain Power Corp.
Also known as Colchester 16 Power Plant · EIA plant 3735
Analyst: free account, 1 question a day.
Key facts
- Capacity
- 18 MWNameplate
- Generators
- 1 operatingEIA-860M, August 2026
- Operating since
- October 1965First generator online
- Operator
- Green Mountain Power CorpEIA operator ID 7601
- Grid
- ISO-NEBalancing authority ISNE
- Price nodes
- 1 ISONE nodeResource nodes with prices
- Location
- Chittenden County, VT44.4906, −73.1703
- EIA plant ID
- 3735EIA plant page
Data as of EIA-860M August 2026 (published 2026-09-24). Capacity is nameplate, not live output.
How much power Colchester 16 produces
Free · EIA-923Net generation, 2025
310 MWh
310 MWh, final
Capacity factor, 2025
0.2%
2024: 0.2%
January to July 2026
Not reported
Provisional. 0 of 7 months reported
Range, 2015 to 2025
0.0–1.0
GWh a year. Low 2023, high 2017
| Year | Net generation, MWh | Capacity factor | Months reported |
|---|---|---|---|
| 2000 | 6,970 | Not reported | 12 of 12 |
| 2001 | 3,289 | Not reported | 12 of 12 |
| 2002 | 261 | Not reported | 12 of 12 |
| 2003 | 424 | Not reported | 10 of 12 |
| 2004 | 699 | Not reported | 12 of 12 |
| 2005 | 614 | Not reported | 12 of 12 |
| 2006 | 717 | Not reported | 12 of 12 |
| 2007 | 695 | Not reported | 12 of 12 |
| 2008 | 260 | Not reported | 12 of 12 |
| 2009 | 122 | Not reported | 12 of 12 |
| 2010 | 110 | 0.1% | 12 of 12 |
| 2011 | 0 | 0.0% | 12 of 12 |
| 2012 | 97 | 0.1% | 12 of 12 |
| 2013 | 167 | 0.1% | 12 of 12 |
| 2014 | 78 | 0.0% | 12 of 12 |
| 2015 | 332 | 0.2% | 12 of 12 |
| 2016 | 363 | 0.2% | 12 of 12 |
| 2017 | 1,009 | 0.6% | 12 of 12 |
| 2018 | 169 | 0.1% | 12 of 12 |
| 2019 | 91 | 0.1% | 12 of 12 |
| 2020 | 60 | 0.0% | 12 of 12 |
| 2021 | 147 | 0.1% | 12 of 12 |
| 2022 | 388 | 0.2% | 12 of 12 |
| 2023 | 4 | 0.0% | 12 of 12 |
| 2024 | 279 | 0.2% | 12 of 12 |
| 2025 | 310 | 0.2% | 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 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.
Generators
Free · EIA-860M| Generator | Technology | Nameplate MW | Online since |
|---|---|---|---|
| GT1 | Petroleum Liquids | 18.0 | October 1965 |
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.
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.
300 analyst questions a month, plus MCP
Query Colchester 16 and 14,224 other projects from Claude or your own tools. Free accounts get 1 question a day.
Power plants near Colchester 16
More plants operated by Green Mountain Power Corp
Questions about Colchester 16
How much power does Colchester 16 produce?
Colchester 16 reported 310 MWh (310 MWh) of net generation in 2025, a 0.2% capacity factor on 18 MW of nameplate capacity.
Where is Colchester 16?
Colchester 16 is in Chittenden County, Vermont, at 44.4906, −73.1703. It is in the ISO New England Inc. balancing area (ISNE).
Who operates Colchester 16?
EIA-860M for August 2026 lists Green Mountain Power Corp as the operator (EIA operator ID 7601). The operator is not always the owner.
When did Colchester 16 start operating?
Its first generator began operating in October 1965, according to EIA-860M.
Does InfraMap have power prices for Colchester 16?
Yes. InfraMap has ISONE day-ahead and real-time prices at 1 price node linked to Colchester 16, 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
- Plant names from OpenStreetMap, © OpenStreetMap contributors (ODbL)
Page updated 2026-10-04 from the InfraMap data build. Methodology · Data sources · EIA plant page