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14 MW Natural Gas Internal Combustion Engine (4 MW) + Natural Gas Steam Turbine (10 MW) operating in Rockingham, VA — PJM Interconnection, LLC
14 MW
Nameplate Capacity
6
Generators
units
Hybrid (2)
Technology
Natural Gas Internal Combustion Engine + Natural Gas Steam Turbine
1982
Operating Since
Coordinates
38.3836, -78.6528
County
Rockingham, VA
Nearby Plants
| Field | EIA | GEM | Wikidata |
|---|---|---|---|
| Operator | Merck & Co Inc | — | — |
| Owner(s) | Merck & Co Inc | — | — |
| Status | Operating | — | — |
The Elkton power plant, located in Rockingham County, Virginia, is a 14 MW hybrid facility primarily fueled by natural gas. It began operating in 1982 and consists of six generators utilizing both natural gas internal combustion engine and natural gas steam turbine technologies. The plant is owned and operated by Merck & Co Inc.
Elkton operates within the PJM Interconnection, LLC balancing authority and the SERC NERC region. In terms of size, it is ranked 25th out of 28 power plants in Virginia and 1377th out of 1963 plants nationally. The plant's latest annual generation was 12,440 MWh, resulting in a capacity factor of 10.1%.
Generated from EIA, GEM, and public data sources
ISO/RTO
PJM
Market
ISO/RTO Member
NERC Region
SERC — SERC Reliability Corporation
Balancing Authority
1.0K MWh
Latest Month
12.4K MWh
Annual Generation
10.1%
Capacity Factor
CO₂ Intensity
668 lb/MWh
NOx
0.904 lb/MWh
SO₂
2013
$965/kW
Est. Construction Cost
Total estimated cost: $13.5M
Market Position
ISO/RTO Market
PJM
LMP Node
MERCK5 13 KV TX1LD
Pricing Hub
DOMINION HUB
Location Type
Load Node
Node Source
Curated node match
Last updated 2026-03-26
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ask pi about ElktonPJM Interconnection, LLC (PJM)
Grid Voltage
13.2 kV
Regulatory Status
NR — Non-Regulated
Entity Type
Industrial
Sector
Industrial CHP
0.003 lb/MWh
CH₄
0.013 lb/MWh
N₂O
0.001 lb/MWh
Capacity Factor
14.5%
Annual Net Gen
13 GWh
CO₂eq
669 lb/MWh
Subregion
SERC Virginia/Carolina