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FORM 10 - K □ ANNUAL REPORT PURSUANT TO SECTION 13 OR 15 ( d ) OF THE SECURITIES EXCHANGE ACT OF 1934 For the Fiscal Year Ended December 31 , 2020 Or □ TRANSITION REPORT PURSUANT TO SECTION 12 OR 15 ( d ) OF THE SECURITIES EXCHANGE ACT OF 1934 DTE UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington , D.C. 20549 Michigan ( State or other jurisdiction of incorporation or organization ) DTE Energy Michigan ( State or other jurisdiction of incorporation or organization ) Registrant DTE Energy Company ( DTE Energy ) DTE Energy DTE Energy DTE Energy DTE Energy DTE Energy DTE Electric Company ( DTE Electric ) DTE Energy Commission File Number : 1-11607 DTE Energy Company Yes Commission File Number : 1-2198 DTE Electric Company Title of Each Class Common stock , without par value 2016 Series B 5.375 % Junior Subordinated Debentures due 2076 2016 Series F 6.00 % Junior Subordinated Debentures due 2076 2017 Series E 5.25 % Junior Subordinated Debentures due 2077 2019 6.25 % Corporate Units 2020 Series G 4.375 % Junior Subordinated Debentures due 2080 None Registrants address of principal executive offices : One Energy Plaza , Detroit , Michigan 48226-1279 Registrants telephone number , including area code : ( 313 ) 235-4000 Securities registered pursuant to Section 12 ( b ) of the Act : None No Yes □ No ( I.R.S Employer Identification No. ) ( I.R.S Employer Identification No. ) Trading Symbol ( s ) DTE DTJ Securities registered pursuant to Section 12 ( g ) of the Act : DTY DTW DTP DTB Indicate by check mark if the registrant is a well - known seasoned issuer , as defined in Rule 405 of the Securities Act . DTE Energy Indicate by check mark if the registrant is not required to file reports pursuant to Section 13 or Section 15 ( d ) of the Act . 38-3217752 DTE Electric 38-0478650 DTE Electric DTE Electric Name of Exchange on which Registered New York Stock Exchange New York Stock Exchange New York Stock Exchange New York Stock Exchange New York Stock Exchange New York Stock Exchange None Yes Yes None No No