- Founded: 1849 (gas operations) / 1903 (electric operations merged as Detroit Edison)
- 2024 Revenue: $12.46 billion
- Employees: 9,500 (as of December 2024)
- Market Cap: Approximately $28.25 billion (November 2025)
- Customers: 2.3 million electric / 1.3 million natural gas
DTE Energy is a Detroit-based diversified energy company that provides electricity and natural gas services across Michigan. The company operates through multiple segments including electric utility, gas utility, and non-utility businesses focused on power projects and energy trading.
DTE Electric serves approximately 2.3 million customers in southeastern Michigan, while DTE Gas delivers natural gas to 1.3 million customers throughout the state. The company ranks among the largest electric utilities in Michigan and maintains one of the largest electric distribution networks in the Midwest with over 44,000 miles of power lines.
DTE Energy History
DTE Energy Co-founders
DTE Energy Competitors
DTE Energy competes with other utility providers in Michigan and across the broader Midwest energy market. Similar to FirstEnergy Corp. and other regional utilities, DTE operates in a regulated environment where competition centers on service reliability and infrastructure investment.
| Company | Headquarters | Primary Service |
|---|---|---|
| Consumers Energy (CMS Energy) | Jackson, Michigan | Electric and Gas Utility |
| American Electric Power | Columbus, Ohio | Electric Utility |
| SEMCO Energy | Port Huron, Michigan | Natural Gas Utility |
| Michigan Gas Utilities | Monroe, Michigan | Natural Gas Distribution |
| Exelon Corporation | Chicago, Illinois | Electric and Gas Utility |
| Duke Energy | Charlotte, North Carolina | Electric and Gas Utility |
| WEC Energy Group | Milwaukee, Wisconsin | Electric and Gas Utility |
| Entergy Corporation | New Orleans, Louisiana | Electric Utility |
| PPL Corporation | Allentown, Pennsylvania | Electric Utility |
| NRG Energy | Houston, Texas | Power Generation |
DTE Energy Revenue
DTE Energy generated $12.46 billion in total revenue for fiscal year 2024. This represents a slight decrease from 2023, though revenue figures have fluctuated due to commodity price changes and the 2021 spin-off of DT Midstream.
The company’s Electric segment drives the majority of revenue through electricity sales to residential, commercial, and industrial customers in southeastern Michigan. Similar to how Edison International operates in California, DTE maintains a regulated utility model with predictable revenue streams.
DTE Energy Acquisitions
The most significant acquisition in DTE Energy’s history came in May 2001 when the company completed its merger with MCN Energy Group. This $4 billion transaction combined Detroit Edison’s electric utility operations with MichCon’s natural gas distribution network, creating Michigan’s largest energy company.
The merger gave DTE Energy approximately 2.1 million electric customers and 1.2 million natural gas customers at the time of closing. Both Detroit Edison and Michigan Consolidated Gas retained their corporate identities as operating subsidiaries. The combined company inherited an energy portfolio with more than 11,000 MW of generating capacity, 600 Bcf per year of natural gas deliveries, and 185 Bcf of natural gas storage capacity.
In 2007, DTE Energy began acquiring wind development rights on more than 100,000 acres of land in Michigan’s Thumb area. The first company-owned wind parks were commissioned in December 2012, with facilities located in Huron County and Sanilac County. This strategic move positioned DTE to expand its renewable energy generation capabilities.
The company has also made investments in non-utility businesses through DTE Vantage, which encompasses industrial energy services, renewable energy projects, and environmental controls across multiple states. In 2017, DTE acquired Bluewater Gas Storage to provide natural gas storage services for its utility operations in Wisconsin.
More recently, DTE has focused on organic growth and infrastructure investment rather than major acquisitions. The company invested a record $4.4 billion in electric and gas infrastructure during 2024 to improve reliability and expand clean energy generation. This approach mirrors strategies used by WEC Energy Group and other regional utilities.
DTE Energy Marketcap
DTE Energy maintains a market capitalization of approximately $28.25 billion as of November 2025. This places the company among the larger utility providers in the United States.
FAQs
When was DTE Energy founded?
DTE Energy’s gas operations trace back to 1849 when Detroit Gas Light Company was chartered. The electric utility began in 1903 when Detroit Edison Company was incorporated.
How many customers does DTE Energy serve?
DTE Energy serves approximately 2.3 million electric customers and 1.3 million natural gas customers across Michigan through its DTE Electric and DTE Gas subsidiaries.
Where is DTE Energy headquartered?
DTE Energy is headquartered at One Energy Plaza in Detroit, Michigan. The company has maintained its headquarters in Detroit throughout its history.
What does DTE stand for?
DTE comes from the stock ticker symbol that was used by Detroit Edison Company. When the holding company was formed in 1996, the name DTE Energy was adopted.
Who are DTE Energy’s main competitors?
DTE Energy’s primary competitor in Michigan is Consumers Energy, a subsidiary of CMS Energy. Other regional competitors include American Electric Power and SEMCO Energy.
