How many power plants does Westlake 2 US operate?

EIA-860M lists 5 operating plants against “Westlake 2 US LLC” for 2026-07, totalling 1 GW of nameplate capacity in 1 state.

Is Westlake 2 US the owner of these plants?

EIA-860M names one reporting entity per generator. That entity operates the plant on the survey; ownership can sit with a parent, a partnership or a tax-equity structure that the form does not record.

Why are affiliates listed separately?

Because EIA files them separately. Rolling subsidiaries into a parent would need an ownership map EIA-860M does not publish, so this page does not invent one.

Westlake 2 US power plants

Every generating plant EIA-860M files against Westlake 2 US for 2026-07: 5 plants, 1 GW of nameplate capacity, across 1 state and 2 energy sources.

EIA files this entity as “Westlake 2 US LLC”.

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

Plants: 5
Nameplate capacity: 1 GW
States: 1; LA
Energy sources: 2

Westlake 2 US plants by energy source

Natural gas3 plants · 854 MW
Other2 plants · 215 MW

Full list of Westlake 2 US power plants

Power plants operated by Westlake 2 US LLC

RS CogenNatural Gas Fired Combined Cycle	Westlake 2 US LLC	Calcasieu	493	3	2002	Operating
PPG Powerhouse C2 technologies	Westlake 2 US LLC	Calcasieu	357.7	5	1977	Operating
PPG RiversideAll Other	Westlake 2 US LLC	Calcasieu	162	3	1947	Operating
PPG Powerhouse AAll Other	Westlake 2 US LLC	Calcasieu	52.5	5	1943	Out of service and NOT expected to return to service in next calendar year
PPG Plant C CausticNatural Gas Steam Turbine	Westlake 2 US LLC	Calcasieu	3.4	1	1986	Operating

Westlake 2 US: FAQ

How many power plants does Westlake 2 US operate?: EIA-860M lists 5 operating plants against “Westlake 2 US LLC” for 2026-07, totalling 1 GW of nameplate capacity in 1 state.
Is Westlake 2 US the owner of these plants?: EIA-860M names one reporting entity per generator. That entity operates the plant on the survey; ownership can sit with a parent, a partnership or a tax-equity structure that the form does not record.
Why are affiliates listed separately?: Because EIA files them separately. Rolling subsidiaries into a parent would need an ownership map EIA-860M does not publish, so this page does not invent one.