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1300 MW Bit. Coal operating in Mason, WV — PJM Interconnection, LLC
1,300 MW
Nameplate Capacity
1
Generators
unit
Conventional Steam Coal
Technology
1980
Operating Since
Coordinates
38.9794, -81.9344
County
Mason, WV
Nearby Plants
| Field | EIA | GEM | Wikidata |
|---|---|---|---|
| Operator | Appalachian Power Co | Appalachian Power | — |
| Owner(s) | Appalachian Power Co | American Electric Power Company | — |
| Status | Operating | — | — |
The Mountaineer Power Plant is a major coal-fired power plant outside New Haven, West Virginia, USA. Owned by American Electric Power (AEP), it has one of the tallest chimneys in the world at 336 metres (1,102 ft). This chimney was built as part of the plant in 1980 and is not in use now. It has been replaced by a slightly shorter and wider chimney for the electrostatic precipitator and scrubber units.
Read more on WikipediaThe Mountaineer Power Plant is a 1300 MW coal-fired power plant located in Mason County, West Virginia. The plant began operating in 1980 and has one generator utilizing conventional steam coal technology. It is owned by American Electric Power Company and operated by Appalachian Power Co. The plant is the 5th largest of 7 power plants in West Virginia, and ranks 23rd out of 50 nationally.
Mountaineer's latest annual generation was 6,870,571 MWh, resulting in a capacity factor of 60.5%. The plant operates within the PJM Interconnection, LLC balancing authority and the RFC NERC region. Financial data indicates an installed cost of $1205.18 per kW, based on FERC filings.
Generated from EIA, GEM, and public data sources
ISO/RTO
PJM
Market
ISO/RTO Member
NERC Region
RFC
Balancing Authority
809.7K MWh
Latest Month
6.9M MWh
Annual Generation
60.5%
Capacity Factor
CO₂ Intensity
2134 lb/MWh
NOx
1 lb/MWh
SO₂
Steam turbine · Appalachian Power Company · Data from 2015–2024
$1,369/kW
Installed Cost
$-1,311/kW
Annual CapEx
$47.5/MWh
Operating Cost
Annual Capital & Operating Expenses
Cumulative Installed Cost
Per-Unit Cost Trends
Market Position
ISO/RTO Market
PJM
LMP Node
MOUNTAIN26 KV MT1
Pricing Hub
AEP-DAYTON HUB
Location Type
Generation Node
Node Source
Curated node match
Last updated 2026-03-26
View all articlesNo ask pi reports yet for this entity.
ask pi about MountaineerPJM Interconnection, LLC (PJM)
Grid Voltage
765.0 kV
Regulatory Status
RE — Regulated
Entity Type
Investor-Owned Utility
Sector
Electric Utility
1 lb/MWh
CH₄
0.246 lb/MWh
N₂O
0.036 lb/MWh
Capacity Factor
43.6%
Annual Net Gen
4969 GWh
CO₂eq
2150 lb/MWh
Subregion
RFC West