gridprims

Power plant · EIA plant code 59812

Wolf Hollow II

Operator
Constellation Power, Inc
Location
Hood, TX (county level only)
Balancing authority
Electric Reliability Council of Texas, Inc. (ERCO)
Nameplate capacity
1,231.2 MW
Summer capacity
1,103.4 MW

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
5,438,193 MWh
Capacity factor
50.4%

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 Oct 31, 2026 · CC-BY-4.0

Emissions

Carbon dioxide in 2023
2,582,872 metric tons
Carbon dioxide per MWh
811 lb/MWh

eGRID reports 2,847,130 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 Wolf Hollow II
GeneratorTechnologyEnergy sourceNameplateOperating sinceStatus
CGT4Natural Gas Fired Combined CycleNG360 MW2017Operable · As of September 2026 (EIA-860M): (OP) Operating
CGT5Natural Gas Fired Combined CycleNG360 MW2017Operable · As of September 2026 (EIA-860M): (OP) Operating
STG6Natural Gas Fired Combined CycleNG511.2 MW2017Operable · 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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