8-K

UNITED STATES

SECURITIES AND EXCHANGE COMMISSION

Washington, D.C. 20549

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FORM 8-K

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Current Report

Pursuant to Section 13 or 15(d) of the

Securities Exchange Act of 1934

Date of Report (Date of earliest event reported): November 22, 2017

Commission File Number	Exact Name of Registrant as Specified in its Charter, State of Incorporation, Address of Principal Executive Offices and Telephone Number	IRS Employer Identification No.
1-11607	DTE Energy Company (a Michigan corporation) One Energy Plaza Detroit, Michigan 48226-1279 313-235-4000	38-3217752

Check the appropriate box below if the Form 8-K filing is intended to simultaneously satisfy the filing obligation of the registrant under any of the following provisions:

o Written communications pursuant to Rule 425 under the Securities Act (17 CFR 230.425)

o Soliciting material pursuant to Rule 14a-12 under the Exchange Act (17 CFR 240.14a-12)

o Pre-commencement communications pursuant to Rule 14d-2(b) under the Exchange Act (17 CFR 240.14d-2(b))

o Pre-commencement communications pursuant to Rule 13e-4(c) under the Exchange Act (17 CFR 240.13e-4(c))

Indicate by check mark whether the registrant is an emerging growth company as defined in Rule 405 under the Securities Act (17 CFR 230.405) or Rule 12b-2 under Exchange Act (17 CFR 240.12b-2).

Emerging growth company o

If an emerging growth company, indicate by check mark if the registrant has elected not to use the extended transition period for complying with any new or revised financial accounting standards provided pursuant to Section 13(a) of the Exchange Act. o

Item 8.01. Other Events.

On November 22, 2017, DTE Gas Company (DTE Gas) filed a general rate case, No. U-18999, with the Michigan Public Service Commission (MPSC). The full text of the filing is available on the MPSC’s website (http://efile.mpsc.state.mi.us/efile/) under case number U-18999.  DTE Gas is a wholly-owned subsidiary of DTE Energy Company (DTE Energy).

On November 22, 2017, DTE Energy will post a summary and discussion of the filing in the DTE Gas rate case to the DTE Energy website at www.dteenergy.com. The summary is attached as Exhibit 99.1.

Item 9.01. Financial Statements and Exhibits.

(d) Exhibits

99.1 Summary of DTE Gas Rate Case Filing U-18999.

Forward-Looking Statements:

This Form 8-K contains forward-looking statements that are subject to various assumptions, risks and uncertainties. It should be read in conjunction with the “Forward-Looking Statements” section in DTE Energy's 2016 Form 10-K and 2017 Forms 10-Q (which sections are incorporated by reference herein), and in conjunction with other SEC reports filed by DTE Energy that discuss important factors that could cause DTE Energy's actual results to differ materially. DTE Energy expressly disclaims any current intention to update any forward-looking statements contained in this report as a result of new information or future events or developments.

SIGNATURES

Pursuant to the requirements of the Securities Exchange Act of 1934, the registrant has duly caused this report to be signed on its behalf by the undersigned hereunto duly authorized.

Date: November 22, 2017            

DTE Energy Company

(Registrant)

/s/ Don M. Stanczak

Don M. Stanczak

Vice President

EX-99.1

EXIBIT 99.1

Summary of DTE Gas’s Rate Case Filing U-18999

DTE Gas Company (DTE Gas) filed a general rate case on November 22, 2017 with the MPSC. This document provides additional information relative to DTE Gas’s filing. The full filing will be available on the MPSC’s website (http://efile.mpsc.state.mi.us/efile/) under case number U-18999.

Consistent with Michigan’s Public Act 341, DTE Gas anticipates an MPSC order by late September 2018, allowing new rates to be implemented October 1, 2018. DTE Gas looks forward to working through the elements of the filing with the MPSC Staff and other stakeholders.

Highlights of DTE Gas’s Rate Filing

• DTE Gas’s rate case filing is based on a fully projected test year on October 1, 2018 ending September 30, 2019. The projected average rate base for the test year is $4.3 billion.

• DTE Gas’s rate case filing seeks a return on equity of 10.5% (40 bps increase from its current authorized rate); 52% equity and 48% debt.

• DTE Gas’s rate case filing seeks to accelerate the replacement of aging cast-iron and unprotected steel main (IRM¹) from a 25 to a 15-year pace.

• The table below shows the major components of DTE Gas’s rate filing.

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¹ Infrastructure recovery mechanism

Item	Amount ($ millions)		Description
Return on and of Plant	$74	Increase in rate base of approximately $600 million; primarily distribution (including IRM capital through 2018) and compression related to NEXUS in-service in Q3 2018
O&M	31	Driven by inflation, incentive compensation and increased pipeline integrity work to meet Pipeline and Hazardous Materials Safety Administration (PHMSA) requirements, partially offset by lower uncollectible expenses
Sales Revenue and Other	(20)	Related to NEXUS in-service
Total Request	$85

• Base Rates/Infrastructure Recovery Mechanism

DTE Gas seeks to accelerate the replacement of aging cast-iron and unprotected steel main from a 25 to a 15-year pace to provide both safe, reliable and cost effective service to its customers, and efficient system operation.

$28 million of the $85 million revenue requirement is related to incorporating IRM capital investments made through 2018 into base rates (currently recovered through a separate surcharge). This surcharge will end when new base rates are established. Therefore, the revenue requirement of $85 million will only result in a net effective rate increase to customers of $57 million. The rate proceeding also includes a proposed new IRM surcharge that will begin in 2019.

• Gas Sales Forecast

Energy Waste Reduction (formerly Energy Optimization) efforts and a slightly higher Btu content of natural gas is driving down average residential consumption, resulting in lower sales volumes over which to collect the cost to serve customers. Average annual residential consumption is projected to decrease by 2 Mcf (approximately 2%) from 2017 levels of 93 Mcf to 91 Mcf in 2019.

• Impact to Customer Bills

With continued decreases in the cost of natural gas and lower usage due to energy waste reduction programs, the average annual bill for a typical residential customer will increase approximately $1 per month in October 2018.

For further information, please contact Barbara Tuckfield at 313.235.1018 or John Dermody at 313.235.8750