Essex Junction 19

Oil power plant in Vermont, United States of America. Approximate location 44.4821, -73.1164.

OilVermontUnited States of America

Essex Junction 19 is a 16 MW oil power plant in Vermont, United States of America. It is operated by Green Mountain Power Corp. Based on reported annual generation of 44 GWh, it can supply roughly 13k homes. It ranks #5106 of 10,938 United States of America power plants by installed capacity. Commissioned in 1966, it is around 60 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).

16Source-backed capacity
44GWh reported / yr
12,571homes powered
1966commissioned (~60 yrs)

Plant data: WRI Global Power Plant Database (CC BY 4.0), id USA0003737.

Data status

Known data

FacilityEssex Junction 19 WRI
CountryUnited States of America · Vermont WRI
Coordinates44.4821, -73.1164 WRI
FuelOil WRI
MW installed capacity16 MW WRI source record; scope not independently normalised
OwnerGreen Mountain Power Corp WRI
Commissioned1966 WRI
GWh reported / yr44 GWh/yr WRI

Calculated from dataset

CO₂ emissions33,000 t CO₂/yr calculated
Capacity rank in country#5106 of 10938 calculated
Fuel-specific rank in country#264 of 902 calculated
Capacity vs country/fuel peers2.22× · 7 MW median · 902 peers calculated
Homes-powered equivalent12,571 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 16 MW, Essex Junction 19 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: 47 GWh20132014: 37 GWh20142015: 39 GWh20152016: 31 GWh20162017: 35 GWh20172018: 32 GWh20182019: 44 GWh201947 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 #264 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 44.4821, -73.1164 from WRI Global Power Plant Database (CC BY 4.0). View on OpenStreetMap.

Frequently asked questions

What type of power plant is Essex Junction 19?

Essex Junction 19 is a 16 MW source-record oil power plant in Vermont, United States of America, commissioned in 1966.

How much electricity does Essex Junction 19 generate?

Essex Junction 19 generates about 44 GWh of electricity per year.

How many homes can Essex Junction 19 power?

Its output is enough to supply roughly 12,571 homes.

Who operates Essex Junction 19?

Essex Junction 19 is operated by Green Mountain Power Corp.

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