Colchester 16

Oil power plant in Vermont, United States of America. Approximate location 44.4906, -73.1703.

OilVermontUnited States of America

Colchester 16 is a 18 MW oil power plant in Vermont, United States of America. It is operated by Green Mountain Power Corp. Based on reported annual generation of 0 GWh, it can supply roughly 28 homes. It ranks #4980 of 10,938 United States of America power plants by installed capacity. Commissioned in 1965, it is around 61 years old — an older, legacy facility. In context, oil supplies about 0.7% of United States of America's electricity; the national grid averages 384 gCO₂/kWh (43.0% low-carbon) (2025).

18Source-backed capacity
0GWh reported / yr
28homes powered
1965commissioned (~61 yrs)

Plant data: WRI Global Power Plant Database (CC BY 4.0), id USA0003735.

Data status

Known data

FacilityColchester 16 WRI
CountryUnited States of America · Vermont WRI
Coordinates44.4906, -73.1703 WRI
FuelOil WRI
MW installed capacity18 MW WRI source record; scope not independently normalised
OwnerGreen Mountain Power Corp WRI
Commissioned1965 WRI
GWh reported / yr0 GWh/yr WRI

Calculated from dataset

CO₂ emissions75 t CO₂/yr calculated
Capacity rank in country#4980 of 10938 calculated
Fuel-specific rank in country#238 of 902 calculated
Capacity vs country/fuel peers2.50× · 7 MW median · 902 peers calculated
Homes-powered equivalent28 calculated from reported generation
Climate6.7°C · HDD 4,228 derived from coordinates
Environmental severityC2 · 31/100 derived from coordinates

Not available

TechnologyNot available not in dataset
GWh reported / yrNot available not in dataset

Known, modelled and calculated values are kept separate. Missing fields are shown as unavailable.

Data provenance

The capacity and/or fuel fields on this page include a source-backed provenance label from GEM, an official registry, Wikidata, OSM, or a cross-source match.

capacity: Wikidata P2109 nameplate capacity; fuel: WRI source-record fuel

In context: how this plant compares

At 18 MW, Colchester 16 is well above the median oil plant in United States of America (7 MW). Oil-fired plants burn heavy fuel oil or diesel, usually as peaking or backup capacity on islands and grids without gas pipelines; high fuel cost keeps their utilisation low.

Capacity comparison computed from the WRI Global Power Plant Database; fuel-type context is general engineering background.

Reported generation trend

2013: 0 GWh20132014: 0 GWh20142015: 0 GWh20152016: 0 GWh20162017: 1 GWh20172018: 0 GWh20182019: 0 GWh20191 GWh

Annual generation (GWh), WRI Global Power Plant Database (CC BY 4.0).

Owner

Operated by Green Mountain Power Corp. All plants by this company →

Local climate & thermal context

This oil plant burns oil or diesel to drive turbines or reciprocating engines. It sits in a warm-summer humid continental climate (Köppen Dfb) — Northern Hemisphere, latitude 44.5°N — which shapes how much energy it can produce and how its output varies through the year.

6.7°Cannual mean temp
4,228heating degree-days (base 18°C)
121cooling degree-days (base 18°C)
178 melevation

Monthly mean temperature

J: -8 °CJF: -7 °CFM: -1 °CMA: 6 °CAM: 13 °CMJ: 18 °CJJ: 20 °CJA: 19 °CAS: 15 °CSO: 8 °CON: 2 °CND: -5 °CD20 °C

Heating degree-days here run 72% above the median power plant in this dataset — a proxy for how much extra energy heated equipment must replace through its surfaces in winter.

Climate heat-demand index: 87/100 — this site sits in the top third of the power plants we cover by heating degree-days.

Climate normals: WorldClim 2.1 (1970–2000 monthly normals, 10 arc-min, CC BY 4.0); zone: Köppen-Geiger world climate classification (Kottek et al. 2006, 0.5° grid). Degree-days & heat-demand index computed by PowerAtlas — a modelled heat-demand proxy, not a measured site figure.

Site climate & environmental severity

For a plant’s outdoor hardware — heat-recovery steam generators (HRSG), expansion joints, valves, flanges and their insulation — the local climate sets how fast unprotected steel and coatings degrade. This site sits in a mild atmospheric environment (estimated ISO 9223 class C2 — Low), with thermal cycling the leading environmental stress.

C2ISO 9223 corrosivity (indicative)
31/100environmental-severity index
29.0°Cseasonal temperature swing
269 kmdistance to coast

Higher environmental severity is exactly where protective removable insulation pays back most: a sheltered micro-climate slows corrosion, UV and thermal-cycling damage and extends outdoor hardware service life. This is an indicative site-climate context — not a condition assessment of any specific plant or operator.

Indicative estimate via the ISO 9223:2012 informative method (atmospheric corrosivity from temperature, time-of-wetness and airborne salinity), using WorldClim climate normals, the Köppen-Geiger class and coast distance. Indicative, not a measured corrosion rate.

How it compares & nearby plants

The #238 largest oil power plant of 902 in United States of America by capacity.

United States of America has 902 oil power plants in this dataset, together about 40,022 MW of capacity.

Nearby power plants

Location

Coordinates 44.4906, -73.1703 from WRI Global Power Plant Database (CC BY 4.0). View on OpenStreetMap.

Frequently asked questions

What type of power plant is Colchester 16?

Colchester 16 is a 18 MW source-record oil power plant in Vermont, United States of America, commissioned in 1965.

How much electricity does Colchester 16 generate?

Colchester 16 generates about 0 GWh of electricity per year.

How many homes can Colchester 16 power?

Its output is enough to supply roughly 28 homes.

Who operates Colchester 16?

Colchester 16 is operated by Green Mountain Power Corp.

Built from open public data; no personal information. Operate this site? Request a correction or removal.