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Rosemary Power Station

Oil power plant in North Carolina, United States of America. Approximate location 36.4517, -77.6594.

OilNorth CarolinaUnited States of AmericaCCGT · HRSG

Rosemary Power Station is a 180 MW oil power station in North Carolina, United States of America. It is operated by Virginia Electric & Power Co. Based on reported annual generation of 3 GWh, it can supply roughly 857 homes. It ranks #2132 of 10,938 United States of America power plants by installed capacity. Commissioned in 1990, it is around 36 years old — long-established. 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).

180Source-backed capacity
1HRSG unit(s)
3GWh reported / yr
857homes powered
1990commissioned (~36 yrs)

Plant data: WRI Global Power Plant Database (CC BY 4.0), id USA0050555.

Data status

Known data

FacilityRosemary Power Station WRI
CountryUnited States of America · North Carolina WRI
Coordinates36.4517, -77.6594 WRI
FuelOil WRI
MW installed capacity180 MW WRI source record; scope not independently normalised
OwnerVirginia Electric & Power Co WRI
Commissioned1990 WRI
TechnologyCCGT · HRSG WRI
GWh reported / yr3 GWh/yr WRI

Calculated from dataset

CO₂ emissions2,250 t CO₂/yr calculated
Capacity rank in country#2132 of 10938 calculated
Fuel-specific rank in country#42 of 902 calculated
Capacity vs country/fuel peers25.00× · 7 MW median · 902 peers calculated
Homes-powered equivalent857 calculated from reported generation
Climate15.1°C · HDD 1,819 derived from coordinates
Environmental severityC3 · 35/100 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 L100000409223); fuel: WRI source-record fuel

In context: how this plant compares

At 180 MW, Rosemary Power Station is well above the median oil plant in United States of America (7 MW). Technically it is described as CCGT; combined-cycle with a heat-recovery steam generator (HRSG). 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: 0 GWh20172018: 28 GWh20182019: 3 GWh201928 GWh

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

Owner

Operated by Virginia Electric & Power Co. 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 humid subtropical climate (Köppen Cfa) — Northern Hemisphere, latitude 36.5°N — which shapes how much energy it can produce and how its output varies through the year.

15.1°Cannual mean temp
1,819heating degree-days (base 18°C)
787cooling degree-days (base 18°C)
36 melevation

Monthly mean temperature

J: 4 °CJF: 6 °CFM: 10 °CMA: 15 °CAM: 19 °CMJ: 24 °CJJ: 26 °CJA: 25 °CAS: 22 °CSO: 16 °CON: 11 °CND: 6 °CD26 °C

Heating degree-days here run 26% below 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: 40/100 — this site sits in the mid 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 moderately corrosive environment (estimated ISO 9223 class C3 — Medium), with humidity / wetness the leading environmental stress.

C3ISO 9223 corrosivity (indicative)
35/100environmental-severity index
22.0°Cseasonal temperature swing
168 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 #42 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 36.4517, -77.6594 from WRI Global Power Plant Database (CC BY 4.0). View on OpenStreetMap.

Frequently asked questions

What type of power plant is Rosemary Power Station?

Rosemary Power Station is a 180 MW source-record oil power plant in North Carolina, United States of America, commissioned in 1990.

How much electricity does Rosemary Power Station generate?

Rosemary Power Station generates about 3 GWh of electricity per year.

How many homes can Rosemary Power Station power?

Its output is enough to supply roughly 857 homes.

Who operates Rosemary Power Station?

Rosemary Power Station is operated by Virginia Electric & Power Co.

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