Dominion/Lo Mar

🛢 OilElectric Utility19 MW capacity

122nd largest plant in Virginia · 4891st nationally

Dominion/Lo Mar is a oil power plant in Virginia with a nameplate capacity of 19.2 MW. It generates roughly 794 MWh per year — enough to power about 75 average U.S. homes.

Its capacity factor of 0% reflects intermittent or peaking operation. At 1969 lb CO₂/MWh, its emission rate sits above the national grid average of roughly 800 lb/MWh.

PeakingMid-meritBaseload0%40%80%100%0%
Peaking — intermittent or backup
Capacity19 MWnameplate
Annual Generation794 MWhEPA eGRID
Capacity Factor0%of theoretical max
Annual CO₂782metric tons

Location

Plant NameDominion/Lo Mar
OperatorCity Of Manassas - (Va)
CityManassas
CountyPrince William County
StateVirginia
ZIP20110
Coordinates38.74430, -77.49740

This plant highlighted in navy-ringed pin; other generators within 25 miles shown as fuel-colored dots.

Natural GasOilSolarBiomassBattery Storage

Generators (8)

IDTechnologyFuelCapacityStatusOnline
DOM1Petroleum LiquidsDistillate Oil12.0 MWOperating1997
DOM2Petroleum LiquidsDistillate Oil1.8 MWOperating1997
DOM3Petroleum LiquidsDistillate Oil1.8 MWIndef Postponed
DOM4Petroleum LiquidsDistillate Oil1.8 MWIndef Postponed
LOM1Petroleum LiquidsDistillate Oil1.8 MWOperating1997
LOM2Petroleum LiquidsDistillate Oil1.8 MWOperating1997
LOM3Petroleum LiquidsDistillate Oil1.8 MWOperating1997
LOM4Petroleum LiquidsDistillate Oil1.8 MWCancelled

Ownership

OwnerLocationShare
City Of Harrisonburg - (Va)Harrisonburg, VA5000.0%
City Of Manassas - (Va)Manassas, VA5000.0%

Ownership reported to EIA Form 860. Percentages reflect reported generator-level ownership share, averaged when a plant has multiple generators.

Emissions (annual)

CO₂782 metric tons
SO₂2 metric tons
NOₓ10 metric tons
CO₂ Rate1969 lb/MWh
U.S. grid average800 lb/MWhNatural gas combined-cycle average900 lb/MWhThis plant1,968 lb/MWhCoal plant average2,100 lb/MWh

Annual totals and CO₂ rate reported by EPA eGRID for 2023. Reference averages are approximate U.S.-wide figures from the same dataset.

Grid context

NERC RegionSERC
Balancing AuthorityPjm Interconnection, Llc

About Oil plants

Oil-fired plants typically run only during peak demand or grid emergencies because oil is expensive compared to gas and coal. They have the highest CO₂ emissions per MWh of any common generation technology.

Other plants in Prince William County

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