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Corporate Overview

Consumers Energy is Michigan’s second-largest electric and natural gas utility, providing service to more than 6 million of the state’s 10 million residents in all 68 counties in the Lower Peninsula. Consumers Energy is the principal subsidiary of Jackson-based CMS Energy Corporation. The Company’s name was changed from Consumers Power to Consumers Energy in 1997.

Consumers Energy provides electric service to 1.8 million customers and serves 275 cities and villages in 61 counties. Principal cities served are Battle Creek, Bay City, Cadillac, Flint, Grand Rapids, Jackson, Kalamazoo, Midland, Muskegon and Saginaw. Electric Operations Statistics and Service Territories Map.

The Company operates 12 coal-fired and two oil-fired generating plants, 13 hydroelectric plants, a pumped storage generating plant, and several combustion-turbine plants that produce electricity when needed during peak demand periods. The utility also purchases power from several sources, such as the Palisades nuclear plant, the gas-fired Midland Cogeneration Venture, the nation’s first conversion of an idled nuclear plant.

Consumers Energy provides natural gas service for heating and other uses to more than 1.7 million customers in 44 of the 68 counties in Michigan’s Lower Peninsula. It serves an area that includes 215 cities and villages. Among the principal cities served are Bay City, Flint, Jackson, Kalamazoo, Lansing, Macomb, Midland, Royal Oak, Saginaw and Warren. More than one-half of the utility’s gas customers are in metro Detroit. Natural Gas Operations Statistics and Service Territories Map.

Natural gas sources used by Consumers Energy include major pipeline companies and producers in Michigan, Gulf Coast states and Canada. Fifteen natural storage fields in Michigan allow the company to economically purchase and store gas during warm months, for eventual use in the winter heating season. Find out more about Natural Gas Operations.

Consumers Energy electric and natural gas customers have the option of choosing a different commodity supplier under programs regulated by the Michigan Public Service Commission. Regardless of the gas or power source, Consumers Energy delivers the service to customers through its gas or electric distribution system.

Consumers Energy grew from many small separate electric and gas businesses in several cities in Michigan’s Lower Peninsula. The Company’s founding is traced back to the Jackson Electric Light Works, which began in 1886 under W. A. Foote. Consumers Energy celebrated its centennial in 1986 and has been serving Michigan customers for more than 120 years. A new award-winning corporate headquarters building opened in 2003 in downtown Jackson at One Energy Plaza.

Consumers was incorporated in Michigan in 1968, succeeding a corporation of that name (Consumers Power) organized in Maine in 1910. CMS Energy Corporation was established as the holding company for Consumers Energy by shareholder approval in 1987.

The state of Michigan has awarded Consumers Energy five Michigan Clean Corporate Citizen awards for exemplary environmental performance. Consumers Energy is an active member of the Wildlife Habitat Council and was the first large energy utility to join that organization.