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115.5 MW Natural Gas operating in Marshall, WV — PJM Interconnection, LLC
115.5 MW
Nameplate Capacity
3
Generators
units
Natural Gas Steam Turbine
Technology
1943
Operating Since
Coordinates
39.7459, -80.8531
County
Marshall, WV
Nearby Plants
| Field | EIA | GEM | Wikidata |
|---|---|---|---|
| Operator | Westlake Chemical Natrium Plant | Westlake Chemical Natrium Plant | — |
| Owner(s) | Westlake Chemical Natrium Plant | Westlake | — |
| Status | Operating | — | — |
The Axiall Natrium Plant is a natural gas-fired power plant located in Marshall County, West Virginia. The plant has a total capacity of 115.5 MW across three generators utilizing natural gas steam turbine technology. It began operating in 1943 and is owned by Westlake, with Westlake Chemical Natrium Plant serving as the listed operator per EIA data. The plant operates within the PJM Interconnection, LLC balancing authority, which falls under the RFC NERC region.
In the most recent year with available data, the Axiall Natrium Plant generated 617,270 MWh of electricity, achieving a capacity factor of 61.1%. The plant is ranked 5th out of 5 power plants in West Virginia and 902nd out of 945 plants nationally. Recent news coverage related to the plant includes one article pertaining to hazards.
Generated from EIA, GEM, and public data sources
ISO/RTO
PJM
Market
ISO/RTO Member
NERC Region
RFC
Balancing Authority
PJM Interconnection, LLC (PJM)
Grid Voltage
138.0 kV
Regulatory Status
NR — Non-Regulated
Entity Type
Industrial
Sector
Industrial CHP
71.5K MWh
Latest Month
617.3K MWh
Annual Generation
61.1%
Capacity Factor
CO₂ Intensity
535 lb/MWh
NOx
0.681 lb/MWh
SO₂
0.000 lb/MWh
CH₄
0.011 lb/MWh
N₂O
0.001 lb/MWh
Capacity Factor
66.0%
Annual Net Gen
667 GWh
CO₂eq
536 lb/MWh
Subregion
RFC West
2013
$965/kW
Est. Construction Cost
Total estimated cost: $111.5M
Market Position
ISO/RTO Market
PJM
LMP Node
NATRIUM269 KV PPG
Pricing Hub
AEP-DAYTON HUB
Alt. Hub / Zone
WESTERN HUB
Location Type
Load Node
Node Source
Curated node match
Last updated 2026-03-26
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