MWPowerPlantFacts

Data last collected:

EIA plant 60236

Onancock · Accomack · VA

Onancock Diesel Generation Facility

Operated by Old Dominion Electric Coop

Annual generation264 MWhSum of represented EIA-923 rows
Fuel codesDFOCodes retained from EIA records
Grid contextPJM Interconnection, LLCBalancing authority or NERC region

Published location

Where is Onancock Diesel Generation Facility?

This locator uses the coordinates in the approved source record. It shows geographic context, not a site boundary, safety zone or property-risk area.

37.745420, -75.720487

Open the interactive map ↗
Capacity is not generation. Nameplate MW describes equipment; annual MWh describes recorded output. Proposed and retired units are not added to operating capacity.

Equipment mix

Operating capacity by technology

TechnologyPetroleum Liquids4 MW represented

Grouped from this plant’s represented generator records. Use the VA plant index for regional peers.

See the evidence

Electricity output across the year

Monthly net generation shows the seasonal shape of this plant's represented output. A negative value is retained when the source reports net consumption.

167.43
21.38
33.95
411.85
55.03
616.95
768
844.16
916.24
1016.12
113.63
129.26

MWh net generation · 2024 final edition · EIA 923 represented operating rows. 12 of 12 supplied rows shown; 0 missing values omitted. Months with no reported numeric value are omitted, not treated as zero.

Read the chart as a table
Electricity output across the year — MWh net generation
RecordMWh net generation
167.43
21.38
33.95
411.85
55.03
616.95
768
844.16
916.24
1016.12
113.63
129.26

2024 monthly net generation

MonthNet generation
167 MWh
21 MWh
34 MWh
412 MWh
55 MWh
617 MWh
768 MWh
844 MWh
916 MWh
1016 MWh
114 MWh
129 MWh

Operating generators

IDTechnologyFuelMWStatus
ODG7Petroleum LiquidsDFO2SB
ODG8Petroleum LiquidsDFO2SB

Continue exploring

Similar-capacity plants in the same state

Identity, technology and limitations
EIA plant ID
60236
Sector
Electric Utility
Water source
Unavailable
Data edition
2024-final

Use this record

Questions this evidence can answer

01What exactly is this record?

Use the name, place, date and identifiers above to confirm that you have the right Onancock Diesel Generation Facility power plant: capacity and generation | PowerPlantFacts record.

02What does the evidence establish?

Read the reported values with their units, coverage dates and source notes. Keep observed facts separate from estimates or interpretation.

03What should I verify next?

Follow the primary-source links and check the limitations before using this evidence for a decision, comparison or citation.

A closer look at Onancock Diesel Generation Facility

Variation in the published months

Across 12 numeric monthly generation entries, 7 has the highest recorded value (68 MWh) and 2 the lowest (1 MWh). Their difference is 67 MWh. Missing months have not been treated as zero.

Generator capacity in different operating conditions

Generator IDTechnologyNameplate MWSummer MWWinter MWMinimum load MW
ODG7Petroleum Liquids2.02.02.00.2
ODG8Petroleum Liquids2.02.02.00.2

EIA-860 2024 final source. Ratings describe capacity, not actual generation or availability. Missing ratings are not zero.

Source: US Energy Information Administration Form EIA-860 2024 plant and operable-generator workbooks; archive 2024. US EIA-authored information is generally public domain; cite EIA, preserve third-party exceptions, changes and no-endorsement context. Source-specific derived data.

Power plant research

Before you decide, check these points against the current source.

Things to check