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Monterey Diesel Generation Facility

Other power plant · Highland County, Virginia

Nameplate capacity

6.0 MW

Rank in Virginia

#177

of 261 plants

In service since

2016

May 2016

Details

Primary fuel: Other
Technology: Petroleum Liquids
Operator: Old Dominion Electric Coop
County: Highland County
Generating units: 10
Share of state capacity: 0.02%
Rank among other plants in Virginia: #32 of 55
EIA plant code: 59614

Generating units

Individual generating units at Monterey Diesel Generation Facility
Unit	Technology	Nameplate	Summer	Online	Status
MDG1	Petroleum Liquids	0.6 MW	0.6 MW	2016	Operating
MDG10	Petroleum Liquids	0.6 MW	0.6 MW	2016	Operating
MDG2	Petroleum Liquids	0.6 MW	0.6 MW	2016	Operating
MDG3	Petroleum Liquids	0.6 MW	0.6 MW	2016	Operating
MDG4	Petroleum Liquids	0.6 MW	0.6 MW	2016	Operating
MDG5	Petroleum Liquids	0.6 MW	0.6 MW	2016	Operating
MDG6	Petroleum Liquids	0.6 MW	0.6 MW	2016	Operating
MDG7	Petroleum Liquids	0.6 MW	0.6 MW	2016	Operating
MDG8	Petroleum Liquids	0.6 MW	0.6 MW	2016	Operating
MDG9	Petroleum Liquids	0.6 MW	0.6 MW	2016	Operating

Nameplate is the maximum rated output; summer capacity is what the unit can reliably deliver on a hot day, which is typically lower.

Similarly sized plants in Virginia

Virginia Tech Power Plant	Natural gas	6.3 MW
Danville	Solar	6.0 MW
Fries Hydroelectric Project	Hydro	5.4 MW
New River	Other	5.4 MW

About this data

From EIA’s inventory of operable generators, May 2026 release. Capacity is nameplate — the maximum rated output of the equipment, not what the plant actually generates over a year, which depends on how often it runs. A 6.0 MW solar plant and a 6.0 MW nuclear plant have the same entry here and produce very different amounts of electricity.

“In service since” is the earliest in-service date among the units still listed, so a site rebuilt around newer equipment can read as younger than the site itself. All Virginia power plants · What Virginia actually generates