Alpena Cement Plant

🛢 OilIndustrial CHP47 MW capacity

82nd largest plant in Michigan · 3730th nationally

Alpena Cement Plant is a oil power plant in Michigan with a nameplate capacity of 47.2 MW. It generates roughly 187.7k MWh per year — enough to power about 17,877 average U.S. homes.

Its capacity factor of 45% puts it in the middle range — running steadily but not full-time. At 1460 lb CO₂/MWh, its emission rate sits above the national grid average of roughly 800 lb/MWh.

PeakingMid-meritBaseload0%40%80%100%45%
Mid-merit — steady but not full-time

Month by month in 2024

100% capacity0Jan: 13.7k MWh (39% of capacity)JFeb: 11.3k MWh (35% of capacity)FMar: 14.9k MWh (43% of capacity)MApr: 11.0k MWh (32% of capacity)AMay: 13.4k MWh (38% of capacity)MJun: 16.9k MWh (50% of capacity)JJul: 17.0k MWh (48% of capacity)JAug: 18.6k MWh (53% of capacity)ASep: 15.5k MWh (46% of capacity)SOct: 16.9k MWh (48% of capacity)ONov: 16.8k MWh (49% of capacity)NDec: 18.6k MWh (53% of capacity)D

Ghost bars are each month's theoretical maximum (47.2 MW nameplate × hours in the month). Filled bars are actual net generation reported to EIA Form 923. The gap between them is capacity factor made visible.

Capacity47 MWnameplate
Annual Generation187.7k MWhEPA eGRID
Capacity Factor45%of theoretical max
Annual CO₂137.0kmetric tons

Location

Plant NameAlpena Cement Plant
OperatorLafarge Corp
CityAlpena
CountyAlpena County
StateMichigan
ZIP49707
Coordinates45.06993, -83.40818

This plant highlighted in navy-ringed pin; other generators within 25 miles shown as fuel-colored dots.

Natural GasOilHydroelectricSolar

Generators (5)

IDTechnologyFuelCapacityStatusOnline
GEN6Petroleum CokePC12.0 MWOperating1952
GEN8Petroleum CokePC11.0 MWOperating1991
GEN9Petroleum CokePC11.0 MWOperating1994
GEN7Petroleum CokePC10.0 MWOperating1955
GE10Petroleum CokePC3.2 MWOperating1999

Emissions (annual)

CO₂137.0k metric tons
SO₂116 metric tons
NOₓ488 metric tons
CO₂ Rate1460 lb/MWh
U.S. grid average800 lb/MWhNatural gas combined-cycle average900 lb/MWhThis plant1,460 lb/MWhCoal plant average2,100 lb/MWh

Annual totals and CO₂ rate reported by EPA eGRID for 2023. Reference averages are approximate U.S.-wide figures from the same dataset.

Grid context

NERC RegionRFC
Balancing AuthorityMidcontinent Independent Transmission System Operator, Inc..

About Oil plants

Oil-fired plants typically run only during peak demand or grid emergencies because oil is expensive compared to gas and coal. They have the highest CO₂ emissions per MWh of any common generation technology.

Other plants in Alpena County

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