Electric Operation Statistics

Electric Operations Statistics

Consumers Energy delivers electricity to homes and business throughout Michigan’s Lower Peninsula. To meet our customers’ needs, we generate power from fossil fuel generating plants, hydroelectric plants, a pumped storage generating plant and several combustion-turbine plants that generate electricity during peak demand periods. We also purchase power from a number of sources.

As of December 2021

Residential and Commercial Use

Total Electric Customers Excluding Retail Open Access (12 Month Average)	1.9 Million
Residential (# of Homes)	1,600,000
Commercial	215,000
Industrial	1,355
Total Electric ROA Customers (12 Month Average)	1,139
Counties Served	62
Population Served at December 31, 2015 (Electric)	4.1 million
Annual Electric Sales (2015)	36.2 billion kWh
Annual Coal Use	6 million tons
Average Amount of Coal Used to Generate 1 kWh	1.15 pounds

Electric Operating Data

High-voltage distribution overhead lines (138kV)	208 miles
High-voltage distribution underground lines (138kV)	4 miles
High-voltage distribution overhead lines (46kV and 69 kV)	4,428 miles
High-voltage distribution underground lines (46kW)	19 miles
Electric distribution overhead lines	82,474 miles
Underground distribution lines	9,395 miles
Substations (26 million kVA aggregated transformer capacity)	1,093
Number of Electric meters in use	1,872,609
Number of Smart Meters	1,858,185
Battery facilities	2 MWh

Power Generation Capability

Type	Net Demonstrated Summer Capability (Megawatts)
Coal Steam Generation	1,875
Total Oil/Gas Steam Generation	934
Gas Combined Cycle	1072
Gas Combustion Turbines (Zeeland)	316
Hydroelectric	1003
Wind Parks	97
Solar Gardens	3
Total System Generating Capacity	5,300

*Detailed information about our electric generation and supply mix is included in our Annual Report.