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27 MW Distillate Oil standby in Accomack, VA — PJM Interconnection, LLC
27 MW
Nameplate Capacity
1
Generators
unit
Petroleum Liquids
Technology
1972
Operating Since
Coordinates
37.7068, -75.7034
County
Accomack, VA
Nearby Plants
| Field | EIA | GEM | Wikidata |
|---|---|---|---|
| Operator | Calpine Mid-Atlantic Generation LLC | Calpine Mid-Atlantic Generation | — |
| Owner(s) | Calpine Mid-Atlantic Generation LLC | Constellation Energy | — |
| Status | Standby | — | — |
The Tasley power plant is a 27 MW petroleum-liquid-fueled facility located in Accomack County, Virginia. The plant began operating in 1972 and has one generator. It is owned by Constellation Energy and operated by Calpine Mid-Atlantic Generation LLC. Tasley is located within the PJM Interconnection, LLC balancing authority and the RFC NERC region.
In the most recent year with available data, Tasley generated 2,062 MWh of electricity, resulting in a capacity factor of 0.9%. The plant is ranked 6th out of 32 similar facilities in Virginia and 152nd out of 886 nationally. Recent news coverage of the plant has focused on grid-related topics.
Generated from EIA, GEM, and public data sources
ISO/RTO
PJM
Market
ISO/RTO Member
NERC Region
RFC
Balancing Authority
72 MWh
Latest Month
2.1K MWh
Annual Generation
0.9%
Capacity Factor
CO₂ Intensity
3787 lb/MWh
Low-utilization plant — per-MWh rate is dominated by startup/standby emissions; not directly comparable to baseload averages.
NOx
28 lb/MWh
SO₂
2013
$765/kW
Est. Construction Cost
Total estimated cost: $20.6M
Point of Interconnection
Nearest Substation
Tasley Substation · 69 kV
Substation Distance
< 10 km
Operator
A&N Electric Cooperative
Coord Source
OSM spatial
Market Position
ISO/RTO Market
PJM
LMP Node
50924
Pricing Hub
DOMINION HUB
Node Source
EIA-860 direct report
Last updated 2026-03-14
View all articlesNo ask pi reports yet for this entity.
ask pi about TasleyPJM Interconnection, LLC (PJM)
Grid Voltage
69.0 kV
Regulatory Status
NR — Non-Regulated
Entity Type
Independent Power Producer
Sector
IPP Non-CHP
0.495 lb/MWh
CH₄
0.114 lb/MWh
N₂O
0.023 lb/MWh
Capacity Factor
1.0%
Annual Net Gen
2 GWh
CO₂eq
3797 lb/MWh
Subregion
RFC East