
DTE Energy, formerly known as Detroit Edison, is the main electric utility provider in Detroit, serving 2.2 million customers in Michigan. The company has a diverse energy portfolio, including coal, nuclear, natural gas, and renewable energy sources. DTE Energy has been a prominent player in the region's energy sector since 1886 and has expanded its reach beyond Detroit, with a presence in the United States and Canada.
| Characteristics | Values |
|---|---|
| Name | DTE Energy (formerly Detroit Edison until 1996) |
| Location | Detroit, Michigan, US |
| Type | Diversified energy company |
| Business | Development and management of energy-related businesses and services |
| Geography | The US and Canada |
| Customers | 2.2 million for electricity; 1.3 million for natural gas |
| Sources | Coal, nuclear, natural gas, and renewable energy |
| Employees | Over 10,400 |
| Subsidiaries | DTE Electric Company, DTE Gas |
| Website | www.detroit-electric-group.com |
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What You'll Learn

DTE Energy: Detroit's largest energy company
DTE Energy is Detroit's largest energy company, providing electric and gas services to millions of residential, business, and industrial customers throughout Michigan. The company has over 10,400 employees across its utility and non-utility subsidiaries, which include DTE Electric and DTE Gas.
DTE Energy has a strong commitment to fostering economic growth and prosperity in Michigan. In the past year, the company spent $2.7 billion with local businesses, creating jobs and stimulating the state's economy. DTE also offers hands-free maintenance for outdoor protective lighting purchased from them, ensuring the delivery of high-quality service to its customers.
DTE's history dates back to 1886 with the founding of the Edison Illuminating Company of Detroit. In 1996, Detroit Edison reorganised as a holding company and adopted the name DTE Energy, which was already its stock ticker symbol. In 2001, DTE Energy merged with MCN Energy Group to become Michigan's largest energy company.
DTE Energy's portfolio includes non-utility energy businesses focused on power and industrial projects, energy marketing, and trading. DTE Biomass Energy, a subsidiary of DTE Vantage, collects methane gas from landfills for energy production. DTE Electric's power generation primarily relies on fossil fuels, with coal, gas, and oil accounting for 67.13% of its electricity generation in 2020. However, the company is also investing in renewable energy sources, with 32.62% of its power generation in 2020 coming from renewable and nuclear sources.
DTE Energy is actively preparing for the future of mobility and electric vehicles (EVs). Their transportation electrification team is working on various projects, including EV-grid integration solutions and engaging underserved communities in the transition to EVs.
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DTE Electric Company: a state-regulated utility
DTE Electric Company, formerly known as Detroit Edison Company, is a state-regulated utility company that provides electric services to Detroit and the surrounding areas in Michigan. With a long history in the energy industry, DTE Electric has become a premier regional energy provider, serving millions of residential and business customers.
The company's roots can be traced back to 1886 with the founding of the Edison Illuminating Company of Detroit. Over the years, through mergers and acquisitions, the company expanded its reach and diversified its energy offerings. In 1996, Detroit Edison changed its name to DTE Energy, reflecting its growing presence in the energy sector beyond electricity.
In 2001, DTE Energy merged with MCN Energy Group, creating Michigan's largest energy company. This merger brought together the expertise and resources of two established energy providers, solidifying DTE's position in the market. Following this merger, DTE continued to grow and evolve, eventually changing the customer-facing brand to "DTE" in 2013. As a result, the Detroit Edison Company was renamed DTE Electric Company, signalling its focus on electric utility services.
Today, DTE Electric Company provides electric services to approximately 2.2 million to 2.3 million customers throughout Southeast Michigan and the thumb region. Their power generation portfolio includes a mix of renewable energy, nuclear power, and fossil fuels. While the company has made strides in renewable energy, with 13.11% to 32.62% of their electricity generated from renewable sources as of 2020, the majority of their electricity still comes from coal, gas, and oil.
DTE Electric Company, as a state-regulated utility, operates within the guidelines set by energy regulators in Michigan. This ensures that the company adheres to specific standards and practices in its operations, rates, and customer service. The state regulation also allows for oversight and accountability, providing a framework for DTE to deliver reliable and safe electric services to the residents and businesses of Detroit and the surrounding areas.
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Detroit's energy history: Edison Illuminating Company
Detroit's history with electric power began in the late 19th century. In 1879, Thomas Edison invented the incandescent lamp, and by 1883, the incandescent light bulb made its Detroit debut at the Metcalf Brothers' dry goods store. This innovation sparked the formation of several electric companies in the city, including the Edison Illuminating Company, which was established on April 15, 1886, to supply alternating current to homes and businesses.
The Edison Illuminating Company, along with the Peninsular Electric Light Company, dominated the commercial electric lighting and power market in Detroit by the turn of the century. The two companies provided all commercial electric lighting and power in the city. This era marked the beginning of Detroit's transformation into a modern, electrified metropolis.
In 1903, the Detroit Edison Company was incorporated, with the purchase of securities of the Edison Illuminating Company and the Peninsular Electric Light Company. This marked a new phase in the city's energy history, as the newly formed company began construction on the Delray 1 Power Plant, and Henry Ford, a former employee of Edison Illuminating, founded the Ford Motor Company. The Detroit Edison Company, later known as Detroit Edison, continued to be a significant player in the city's energy landscape for decades.
Over time, Detroit Edison evolved and expanded its operations. In 1956, the company broke ground on the Enrico Fermi atomic power plant and the River Rouge power plant, marking its entry into nuclear energy generation. In 1970, they began construction on the Fermi 2 nuclear plant, further solidifying their role in the region's energy infrastructure. Today, the company, now known as DTE Energy, continues to provide electric and gas services to millions of customers in Michigan, building on the foundations laid by the Edison Illuminating Company over a century ago.
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Detroit City Gas Company: a historical overview
DTE Energy, one of the top energy companies in Detroit, has a long history of providing both electric and gas services to the city, dating back more than 150 years. The earliest corporate ancestor of DTE Energy in the gas business was the Detroit City Gas Company, which began operations in 1849 as the City of Detroit Gas Company.
The City of Detroit Gas Company was founded by Philadelphia natural gas engineer Lemuel H. Davis, who became the company's first president. Davis successfully organised the company and secured local financing, enabling the construction of a gas plant and the laying of distribution pipelines. In 1851, gas lights illuminated Detroit's streets for the first time, with 53 gas street lamps erected on Woodward, Woodbridge, and Jefferson Avenues. The company, later renamed the Detroit Gas Light Company, marked the beginning of natural gas lighting in Detroit, which would become the model for a modern natural gas company.
In 1903, the Detroit Gas Company was renamed the Detroit City Gas Company. It secured franchises in Highland Park and Hamtramck, significantly increasing its customer base to over 67,000. Two years later, in 1905, the American Light & Traction Co., a prominent holding company, acquired a majority stake in the Detroit City Gas Company. This holding company controlled utility and transportation interests across a vast region, stretching from Grand Rapids to Milwaukee.
In 1937, the Detroit City Gas Company merged with three other gas providers: the Grand Rapids Gas Light Company, the Washtenaw Gas Company, and the Ann Arbor Gas Company. The merger, approved in 1938, resulted in the formation of the Michigan Consolidated Gas Company, or MichCon, which became the primary gas provider for a large portion of the southern Lower Peninsula. MichCon continued to expand and, in 1941, developed the state's first natural gas reservoir, Austin Field. In 1986, MichCon opened its transmission system, allowing large gas users to purchase gas independently and utilise MichCon's pipelines for transportation.
In 2001, DTE Energy and MCN Energy Group merged to create Michigan's largest energy company, with MichCon becoming an operating company under the DTE Energy umbrella. DTE Energy has continued to evolve and adapt to new technologies, investing in wind energy projects and committing to renewable energy initiatives.
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Detroit Electric Inc.: a modern-day energy provider
Detroit Electric Inc. is a modern-day energy provider that has been serving the people of Detroit and the surrounding areas for many years. The company has a rich history in the city, with its earliest direct corporate ancestor, the Edison Illuminating Company of Detroit, founded in 1886. Over the years, Detroit Electric has grown and evolved to become a leading provider of electric services in the region.
Today, the company serves a large customer base, including residential, commercial, and industrial clients. With a focus on sustainability and innovation, Detroit Electric has diversified its energy sources, offering a mix of renewable energy, nuclear power, and fossil fuels to meet the varying needs and preferences of its customers. The company's commitment to renewable energy sources is evident, with a significant portion of its electricity generated from wind, solar, and hydroelectric sources.
Detroit Electric's reach extends beyond the borders of Detroit, serving a wide area of Southeast Michigan and the Thumb Region. This expansive coverage ensures that a large number of people and businesses can benefit from their reliable electric services. The company's customer-centric approach is further demonstrated by its non-utility energy businesses, which focus on power and industrial projects, energy marketing, and trading.
As a modern-day energy provider, Detroit Electric stays at the forefront of innovation and technology. The company has embraced digital solutions, offering an easy-to-use website and online platform for its customers. Through their online services, customers can conveniently manage their accounts, access billing information, and even request updates or changes to their service. Detroit Electric also prioritizes sustainability and is committed to finding new and innovative ways to increase their use of clean energy sources.
Detroit Electric Inc. is dedicated to not just meeting but exceeding the energy needs of Detroit and the surrounding communities. With a combination of traditional and renewable energy sources, they are well-equipped to power the city sustainably and reliably. The company's long history, diverse energy portfolio, and commitment to innovation position them as a trusted and forward-thinking energy provider in the modern era.
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Frequently asked questions
DTE Energy, formerly known as Detroit Edison, is a Detroit-based company that provides electric service to the city.
DTE Energy has 2.2 million electric utility customers and 1.3 million natural gas utility customers in Michigan.
In 2022, 54.16% of DTE's electricity was generated from coal, 18.16% from nuclear, 14.22% from natural gas, and 13.11% from renewable energy sources.
DTE Energy's earliest corporate ancestor, the Edison Illuminating Company of Detroit, was founded in 1886. By the turn of the century, it shared responsibility for commercial electric power in Detroit with the Peninsular Electric Light Company. In 1996, Detroit Edison changed its name to DTE Energy.











































