DTE Electric Company

DTE Electric Company (formerly The Detroit Edison Company) is an investor-owned electric utility founded in 1886 in Detroit, Michigan. As the largest electric utility in Michigan, it serves approximately 2.3 million customers in the southeastern portion of the state.

As of 2022, 68.58% of DTE's electricity generation came from coal, gas, and oil sources, exceeding the regional average of 65.82%. The utility's emissions of major pollutants, including carbon dioxide, sulfur dioxide, and nitrogen oxides, also surpass regional averages, though its high-level nuclear waste output is comparatively lower.[1]

DTE Electric provides service to most of Southeast Michigan, parts of the Michigan thumb region and portions of Western Michigan

The company maintains one of the largest electric distribution networks in the Midwest, with over 44000 mi of power lines.

History

Detroit Edison was part of a large holding company called North American Edison Company. North American's stock had once been one of the twelve component stocks of the May 1896 original Dow Jones Industrial Average.[2] North American Company was broken up by the Securities and Exchange Commission, following the United States Supreme Court decision of April 1, 1946.[3]

After that, Detroit Edison operated independently, and publicly traded on the New York Stock Exchange under the ticker symbol DTE through the mid-1990s. In early 1996, it became an operating subsidiary of the new holding company, DTE Energy Company, which replaced Detroit Edison Company on the stock exchange, and took over the trading ticker symbol.[4]

Power generation

Energy Storage

In 2024, DTE Energy announced that it was transforming the land formerly occupied by the Trenton Channel Power Plant into a 220 MW battery energy storage center.

Energy transmission

As a condition of electric utility deregulation in Michigan, DTE Energy was forced to sell off Detroit Edison's sister subsidiary involved in high-voltage energy transmission: International Transmission Co. (ITC).

Energy distribution

Detroit Edison's near 11-gigawatt generating capacity is offered to its 7600 sqmi service area, which encompasses 13 counties in the southeastern portion of the lower peninsula. Energy is distributed via one million utility poles and 44000 mi of power lines in these Michigan counties: Huron, Tuscola, Sanilac, Saint Clair, Lapeer, Livingston, Ingham, Oakland, Macomb, Wayne, Washtenaw, Lenawee, and Monroe.[7]

Detroit Edison's distribution line voltages are three-phase 4,800 volts (Delta) 4,800/8,320 volts (wye) and 7,620/13,200 volts (Wye). All new distribution circuits constructed after 1959 are 13,200 volts. The 8,320 volt distribution lines are located in Pontiac, Michigan in an area that was served by Consumers Power Company until the mid-1980s when the area was acquired by Detroit Edison. Edison's subtransmission line voltages are 24,000 volts and 41,600 volts.

EES Coke Battery Facility

EES Coke, a subsidiary of DTE Energy, operates a coke battery facility in River Rouge, Michigan. The facility, which produces metallurgical coke for steelmaking, has been a source of significant environmental and public health concerns in the downriver Detroit area.

DTE Rail Service Inc.

With the bankruptcy of the Penn Central Transportation railroad in 1970, Detroit Edison sought to continue transporting coal from the Monongahela mines in Pennsylvania to a brand new power plant in Monroe, Michigan. However, the bankruptcy of Penn Central left Detroit Edison short of motive power and under capacitated coal hoppers. Detroit Edison then chose to purchase brand new locomotives and coal cars to fit their needs. Purchasing EMD SD40's and GE U30C's for mainline motive power as well as High-Side Articulated Gondolas (with a capacity of 185,000 pounds), this new equipment allowed Detroit Edison to move more coal en masse than what Penn Central was able to do with their equipment. The trains were maintained by Detroit Edison officials but operated by Penn Central crews.

By the late 1980s or early 1990, Detroit Edison discontinued use of their equipment, as Conrail began to supply enough locomotives and rolling stock to meet the power company's needs.

Political Contributions and Lobbying Activities

DTE Energy maintains an active presence in political funding and lobbying activities at both state and federal levels. The company operates a political action committee, DTE Energy PAC.

In Michigan state politics, DTE Energy maintains extensive political influence as one of the largest corporate political donors. As of 2022, 93% of Michigan legislators had accepted DTE Energy money during their careers.[14] Between 2016 and 2020, the company and its affiliated donors contributed over $1.4 million to state-level candidates and committees.[15]

Contributions included significant support for both Republican and Democratic leadership PACs in the state legislature. The company's political giving has particularly focused on legislative leadership and members of energy-related committees who have significant influence over utility policy.[16] Notable recipients of DTE-linked contributions include:

Beyond direct campaign contributions, DTE operates through dark money groups to extend its political influence. [17]

Service Reliability and Infrastructure

DTE Energy has faced ongoing criticism for its service reliability, particularly in Southeast Michigan. The company consistently ranks below average among U.S. utilities for grid reliability metrics, including both the frequency and duration of power outages.[27]

Between 2019-2023, DTE customers experienced an average of 5.3 power outages per year, significantly higher than the national average of 1.4 outages.[28] The average outage duration for DTE customers was 9.2 hours, compared to the national average of 3.1 hours. In 2021, following widespread outages that affected over 500,000 customers, the Michigan Public Service Commission (MPSC) launched an investigation into DTE's infrastructure maintenance and reliability programs.[29] A 2022 audit commissioned by the MPSC found that:

Poor reliability has led to increased customer complaints and public criticism. In 2022, DTE faced multiple class-action lawsuits from customers seeking compensation for losses due to extended outages.[31] Consumer advocacy groups have argued that the company's reliability issues disproportionately affect low-income communities and elderly residents.

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