gridprims

as of Oct 27, 2026

Power plant · EIA plant code 63535

Solar BESS Hybrid

Operator
Cobb Electric Membership Corporation
Location
Cobb, GA (county level only)
Balancing authority
Southern Company Services, Inc. - Trans (SOCO)
Nameplate capacity
3.5 MW
Summer capacity
3.4 MW

Planned changes reported to EIA: 3 proposed generators.

U.S. Energy Information Administration · Annual Electric Generator Report (Form EIA-860) · data for 2025 · as of Sep 10, 2026 · retrieved Oct 31, 2026 · CC-BY-4.0

Generation in 2025

Net generation
2,156 MWh
Capacity factor
7.0%

Capacity factor is net generation divided by nameplate capacity times the hours each generator was in service that year, counted by month.

U.S. Energy Information Administration · Power Plant Operations Report (Form EIA-923) · data for 2025 · as of Sep 11, 2026 · retrieved Nov 1, 2026 · CC-BY-4.0

Emissions

Carbon dioxide in 2023
2 metric tons
Carbon dioxide per MWh
1 lb/MWh

eGRID reports 2 short tons. One short ton is 0.90718474 metric tons.

Emissions are for 2023, the newest eGRID year. Generation is for 2025, the newest EIA-923 year.

U.S. Environmental Protection Agency · Emissions & Generation Resource Integrated Database (eGRID) · data for 2023 · as of Jun 16, 2025 · retrieved Oct 31, 2026 · CC-BY-4.0

Generators

Generators at Solar BESS Hybrid
GeneratorTechnologyEnergy sourceNameplateOperating sinceStatus
GEN02Natural Gas Fired Combustion TurbineNG2 MWProposed, planned start 2027 · As of September 2026 (EIA-860M): (V) Under construction, more than 50 percent complete
GEN03Natural Gas Fired Combustion TurbineNG2 MWProposed, planned start 2027 · As of September 2026 (EIA-860M): (V) Under construction, more than 50 percent complete
GEN04Natural Gas Fired Combustion TurbineNG2 MWProposed, planned start 2027 · As of September 2026 (EIA-860M): (V) Under construction, more than 50 percent complete
NGNatural Gas Fired Combustion TurbineNG1 MW2022Operable · As of September 2026 (EIA-860M): (OP) Operating
SOLARSolar PhotovoltaicSUN1.5 MW2020Operable · As of September 2026 (EIA-860M): (OP) Operating
TESTBatteriesMWH1 MW2020Operable · As of September 2026 (EIA-860M): (OP) Operating

U.S. Energy Information Administration · Monthly Update to the Annual Electric Generator Report (Form EIA-860M) · data for 2026-09 · as of Oct 23, 2026 · retrieved Oct 31, 2026 · CC-BY-4.0

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