Search
Search plants, projects, owners, and states
Search plants, projects, owners, and states
4 MW Distillate Oil standby in Accomack, VA — PJM Interconnection, LLC
4 MW
Nameplate Capacity
2
Generators
units
Petroleum Liquids
Technology
2002
Operating Since
Coordinates
37.7454, -75.7205
County
Accomack, VA
Nearby Plants
| Field | EIA | GEM | Wikidata |
|---|---|---|---|
| Operator | Old Dominion Electric Coop | — | — |
| Owner(s) | Old Dominion Electric Coop | — | — |
| Status | Standby | — | — |
The Onancock Diesel Generation Facility is a 4 MW peaking power plant located in Accomack County, Virginia. The plant began operating in 2002 and is owned and operated by Old Dominion Electric Cooperative. It consists of two generators utilizing petroleum liquids as their primary fuel source. The plant operates within the PJM Interconnection, LLC balancing authority, which is part of the RFC NERC region.
In its latest year of operation, the Onancock Diesel Generation Facility generated 264 MWh of electricity, achieving a capacity factor of 0.7%. The plant's relatively low capacity factor reflects its role as a peaking plant, dispatched primarily during periods of high electricity demand. Among similar plants in Virginia, the Onancock facility ranks 21st out of 32 in terms of capacity, and it holds a national ranking of 592 out of 886.
Generated from EIA, GEM, and public data sources
ISO/RTO
PJM
Market
ISO/RTO Member
NERC Region
RFC
Balancing Authority
9 MWh
Latest Month
264 MWh
Annual Generation
0.7%
Capacity Factor
CO₂ Intensity
1576 lb/MWh
Low-utilization plant — per-MWh rate is dominated by startup/standby emissions; not directly comparable to baseload averages.
NOx
31 lb/MWh
SO₂
2013
$765/kW
Est. Construction Cost
Total estimated cost: $3.1M
Point of Interconnection
Nearest Substation
Green Bush Switch Station · 69 kV
Substation Distance
4.559 km
Operator
Old Dominion Electric Cooperative
Coord Source
OSM spatial
Market Position
ISO/RTO Market
PJM
LMP Node
TASLEY 12 KV G10
Pricing Hub
DOMINION HUB
Location Type
Generation Node
Node Source
Curated node match
No news articles linked yet for this plant.
News enrichment runs on demand — we have the pipeline, we just haven't fetched coverage for this plant yet. Request a detailed re-run and we'll add it.
No ask pi reports yet for this entity.
ask pi about Onancock Diesel Generation FacilityPJM Interconnection, LLC (PJM)
Grid Voltage
12.47 kV
Regulatory Status
RE — Regulated
Entity Type
Cooperative
Sector
Electric Utility
3 lb/MWh
CH₄
0.064 lb/MWh
N₂O
0.013 lb/MWh
Capacity Factor
0.3%
Annual Net Gen
0 GWh
CO₂eq
1581 lb/MWh
Subregion
RFC East