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Coleson Cove

Oil power plant in New Brunswick, Canada. Approximate location 45.1538, -66.2023.

OilNew BrunswickCanadaSteam

Coleson Cove is a 1,050 MW oil power station in New Brunswick, Canada. It is operated by VoltaGrid LLC. Based on its capacity (estimated), it can supply roughly 788k homes (estimated). It ranks #38 of 1,211 Canada power plants by installed capacity. Commissioned in 1976, it is around 50 years old — long-established. In context, oil supplies about 1.2% of Canada's electricity; the national grid averages 191 gCO₂/kWh (77.0% low-carbon) (2025).

1,050Source-backed capacity
788,400homes powered (est.)
1976commissioned (~50 yrs)

Plant data: WRI Global Power Plant Database (CC BY 4.0), id CAN0002040.

Data status

Known data

FacilityColeson Cove WRI
CountryCanada · New Brunswick WRI
Coordinates45.1538, -66.2023 WRI
FuelOil WRI
MW installed capacity1,050 MW WRI source record; scope not independently normalised
OwnerVoltaGrid LLC WRI
Commissioned1976 WRI
TechnologySteam WRI

Calculated from dataset

CO₂ emissions2,069,550 t CO₂/yr calculated
Capacity rank in country#38 of 1211 calculated
Fuel-specific rank in country#1 of 9 calculated
Capacity vs country/fuel peers9.63× · 109 MW median · 9 peers calculated
Homes-powered equivalent788,400 calculated
Climate5.4°C · HDD 4,571 derived from coordinates
Environmental severityC2 · 32/100 derived from coordinates

Not available

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: GEM tracker 2026 (location L100000408868); fuel: WRI source-record fuel

In context: how this plant compares

At 1,050 MW, Coleson Cove is well above the median oil plant in Canada (109 MW). Technically it is described as Steam. 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.

Capacity vs largest oil plants in Canada

Coleson Cove: 1,050 MW1kColeson Co…Holyrood: 490 MW490HolyroodMillbank: 400 MW400MillbankBurnside: 132 MW132BurnsideCharlottetown Thermal Generating Station: 109 MW109Charlottet…Sainte Rose power station: 100 MW100Sainte Ros…Cap-aux-Meules: 66 MW66Cap-aux-Me…Victoria Junction: 66 MW66Victoria J…

Installed capacity (MW), WRI Global Power Plant Database (CC BY 4.0).

Owner

Operated by VoltaGrid LLC.

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 45.2°N — which shapes how much energy it can produce and how its output varies through the year.

5.4°Cannual mean temp
4,571heating degree-days (base 18°C)
0cooling degree-days (base 18°C)
58 melevation

Monthly mean temperature

J: -9 °CJF: -7 °CFM: -2 °CMA: 4 °CAM: 10 °CMJ: 14 °CJJ: 17 °CJA: 18 °CAS: 14 °CSO: 8 °CON: 2 °CND: -4 °CD18 °C

Heating degree-days here run 86% 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: 91/100 — 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)
32/100environmental-severity index
26.3°Cseasonal temperature swing
62 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 #1 largest oil power plant of 9 in Canada by capacity.

Canada has 9 oil power plants in this dataset, together about 2,463 MW of capacity.

Nearby power plants

Location

Coordinates 45.1538, -66.2023 from WRI Global Power Plant Database (CC BY 4.0). View on OpenStreetMap.

Frequently asked questions

What type of power plant is Coleson Cove?

Coleson Cove is a 1,050 MW source-record oil power plant in New Brunswick, Canada, commissioned in 1976.

How many homes can Coleson Cove power?

Its output is enough to supply roughly 788,400 homes (estimated).

Who operates Coleson Cove?

Coleson Cove is operated by VoltaGrid LLC.

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