Gloucester Solar

Solar power plant in Virginia, United States of America. Approximate location 37.441, -76.469.

SolarVirginiaUnited States of America

Gloucester Solar is a 20 MW solar power plant in Virginia, United States of America. It is operated by Dominion Energy Inc. Based on reported annual generation of 36 GWh, it can supply roughly 10k homes. It ranks #4879 of 10,938 United States of America power plants by installed capacity. Commissioned in 2019, it is around 7 years old — recently built. As a non-combustion source, it has no direct CO₂ emissions from generation. In context, solar supplies about 8.6% of United States of America's electricity; the national grid averages 384 gCO₂/kWh (43.0% low-carbon) (2025).

20Source-backed capacity
36GWh reported / yr
10,142homes powered
2019commissioned (~7 yrs)

Plant data: WRI Global Power Plant Database (CC BY 4.0), id USA0063031.

Data status

Known data

FacilityGloucester Solar WRI
CountryUnited States of America · Virginia WRI
Coordinates37.441, -76.469 WRI
FuelSolar WRI
MW installed capacity20 MW WRI source record; scope not independently normalised
OwnerDominion Energy Inc WRI
Commissioned2019 WRI
GWh reported / yr36 GWh/yr WRI

Calculated from dataset

Capacity rank in country#4879 of 10938 calculated
Fuel-specific rank in country#420 of 3283 calculated
Capacity vs country/fuel peers6.63× · 3 MW median · 3283 peers calculated
Homes-powered equivalent10,142 calculated from reported generation
Environmental severityC4 · 39/100 derived from coordinates

Not available

TechnologyNot available not in dataset
GWh reported / yrNot available not in dataset
CO₂ emissionsnot applicable not applicable

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 L100000808436); fuel: WRI source-record fuel

In context: how this plant compares

At 20 MW, Gloucester Solar is well above the median solar plant in United States of America (3 MW). Solar PV converts sunlight directly into electricity with no moving parts or fuel; output varies by time of day and weather, so it pairs with storage or flexible backup.

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

Capacity vs largest solar plants in United States of America

Topaz Solar Farm: 585 MW585Topaz Sola…Agua Caliente Solar Project: 348 MW348Agua Calie…Solar Star 1: 317 MW317Solar Star…Desert Sunlight 300 LLC: 312 MW312Desert Sun…Stateline Solar: 300 MW300Stateline …Mojave Solar Project: 280 MW280Mojave Sol…Solar Star 2: 279 MW279Solar Star…McCoy Solar Energy Project Hybrid: 270 MW270McCoy Sola…

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

Owner

Operated by Dominion Energy Inc.

Climate zone & how it works

This solar plant converts sunlight directly into electricity with photovoltaic panels. It sits in a humid subtropical climate (Köppen Cfa) — Northern Hemisphere, latitude 37.4°N — which shapes how much energy it can produce and how its output varies through the year.

~18°Ctypical annual mean
~27°Ctypical warm-season mean
Humid subtropical: four distinct seasons — cold winters and warm summers

Climate zone & typical temperatures: Köppen-Geiger world climate classification (Kottek et al. 2006, 0.5° grid).

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 corrosive environment (estimated ISO 9223 class C4 — High), with humidity / wetness the leading environmental stress.

C4ISO 9223 corrosivity (indicative)
39/100environmental-severity index
22.0°Cseasonal temperature swing
65 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 #420 largest solar power plant of 3283 in United States of America by capacity.

United States of America has 3283 solar power plants in this dataset, together about 38,093 MW of capacity.

Nearby power plants

Location

Coordinates 37.441, -76.469 from WRI Global Power Plant Database (CC BY 4.0). View on OpenStreetMap.

Frequently asked questions

What type of power plant is Gloucester Solar?

Gloucester Solar is a 20 MW source-record solar power plant in Virginia, United States of America, commissioned in 2019.

How much electricity does Gloucester Solar generate?

Gloucester Solar generates about 36 GWh of electricity per year.

How many homes can Gloucester Solar power?

Its output is enough to supply roughly 10,142 homes.

Who operates Gloucester Solar?

Gloucester Solar is operated by Dominion Energy Inc.

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