Axiall Natrium Plant

Axiall Natrium Plant is a 116 MW natural gas power plant in Marshall County, West Virginia, operated by Westlake Chemical Natrium Plant. EIA-860M lists 3 generating units here, inside PJM. Its units entered service between 1943 and 1966.

As of 2026-07 (inventory dated 2026-07-31) · EIA-860M Preliminary Monthly Electric Generator Inventory · eia.gov/…/july_generator2026.xlsx · eia.gov/…/eia860m

Nameplate capacity
115.5 MW
115.5 MW net summer
Generating units
3
In service
1943–1966
EIA plant ID
50491

Where it is

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County
Marshall County, West Virginia
Coordinates
39.7475, -80.8547
Balancing authority
PJM
Sector
Industrial CHP

Units, technology and status

Operator of record
Westlake Chemical Natrium Plant
Primary energy source
Natural gas
Technologies
Natural Gas Steam Turbine
Status
Operating (2) · Out of service and NOT expected to return to service in next calendar year (1)

Every plant Westlake Chemical Natrium Plant reports to EIA →

Axiall Natrium Plant: FAQ

Where is Axiall Natrium Plant?
In Marshall County, West Virginia (WV). The map on this page is placed at the coordinates EIA files for the plant, which locate the site rather than any individual unit.
How big is Axiall Natrium Plant?
116 MW of nameplate capacity across 3 units, as of the EIA-860M release for 2026-07.
Who owns Axiall Natrium Plant?
EIA-860M names Westlake Chemical Natrium Plant as the reporting entity. That is the operator of record on the survey, which is not always the ultimate owner.
Is this the same as Axiall Natrium Plant LLC?
Probably, but EIA-860M does not say. The survey records a plant name and a reporting entity — Westlake Chemical Natrium Plant here — not the project company that holds the asset. Project companies are commonly registered as an LLC carrying the plant's name, so a search for "Axiall Natrium Plant LLC" usually means this site. This page shows only what EIA files, and does not assert a corporate structure it cannot see.
Is Axiall Natrium Plant still running?
EIA-860M files it as "Operating" for 2026-07. Statuses change monthly, and this page follows the monthly release.