gridprims

Power plant · EIA plant code 50305

Alpena Cement Plant

Operator
Amrize Cement Inc.
Location
Alpena, MI (county level only)
Balancing authority
Midcontinent Independent Transmission System Operator, Inc.. (MISO)
Nameplate capacity
47.2 MW
Summer capacity
47.2 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
174,864 MWh
Capacity factor
42.3%

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
124,313 metric tons
Carbon dioxide per MWh
1,460 lb/MWh

eGRID reports 137,032 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 Alpena Cement Plant
GeneratorTechnologyEnergy sourceNameplateOperating sinceStatus
GE10Petroleum CokePC3.2 MW1999Operable · As of September 2026 (EIA-860M): (OP) Operating
GEN6Petroleum CokePC12 MW1952Operable · As of September 2026 (EIA-860M): (OP) Operating
GEN7Petroleum CokePC10 MW1955Operable · As of September 2026 (EIA-860M): (OP) Operating
GEN8Petroleum CokePC11 MW1991Operable · As of September 2026 (EIA-860M): (OP) Operating
GEN9Petroleum CokePC11 MW1994Operable · 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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