How many power plants does Mississippi Power operate?

EIA-860M lists 6 operating plants against “Mississippi Power Co” for 2026-07, totalling 4 GW of nameplate capacity in 1 state.

Is Mississippi Power 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.

Mississippi Power plants

Every generating plant EIA-860M files against Mississippi Power for 2026-07: 6 plants, 4 GW of nameplate capacity, across 1 state and 2 energy sources.

EIA files this entity as “Mississippi Power Co”.

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: 6
Nameplate capacity: 4 GW
States: 1; MS
Energy sources: 2

Mississippi Power plants by energy source

Battery1 plants · 3 MW
Natural gas5 plants · 4,201 MW

Full list of Mississippi Power plants

Power plants operated by Mississippi Power Co

Victor J Daniel Jr2 technologies	Mississippi Power Co	Jackson	2,229	8	1977	Operating
Jack Watson2 technologies	Mississippi Power Co	Harrison	919.1	3	1968	Operating
RatcliffeNatural Gas Fired Combined Cycle	Mississippi Power Co	Kemper	840	3	2014	Operating
Chevron OilNatural Gas Fired Combustion Turbine	Mississippi Power Co	Jackson	170.5	5	1967	Operating
SweattNatural Gas Fired Combustion Turbine	Mississippi Power Co	Lauderdale	41.9	1	1971	Operating
Walnut Grove Demonstration Plant2 technologies	Mississippi Power Co	Leake	3	2	2023	Operating

Mississippi Power: FAQ

How many power plants does Mississippi Power operate?: EIA-860M lists 6 operating plants against “Mississippi Power Co” for 2026-07, totalling 4 GW of nameplate capacity in 1 state.
Is Mississippi Power 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.