Dte Energy Company · NYSE:DTE

Dte Energy — EEI Financial Conference 2025

22 slides from Dte Energy's conference presentation, Nov 7, 2025

  1. Slide 1: EEI Financial Conference November 9-11, 2025

    EEI Financial Conference November 9 - 11, 2025 EXHIBIT 99.1

  2. Slide 2: Safe harbor statement

    Safe harbor statement 2 The information contained herein is as of the date of this document. DTE Energy expressly disclaims any current intention to update any forward-looking statements contained in this document as a result of new information or future events or developments. Words such as “antici

  3. Slide 3: Continuing to deliver exceptional results; well positioned for long-term growth

    Continuing to deliver exceptional results for our stakeholders; well positioned for long-term growth 3 1. Refer to the appendix for information regarding the reconciliation of operating earnings (non-GAAP) to reported earnings ✓ Highly engaged team committed to delivering best-in-class results for o

  4. Slide 4: Data center development drives $6.5 billion increase to 5-year capital plan

    Data center development and investments in reliability and cleaner generation drive a $6.5 billion increase to our 5-year capital investment plan 4 1. Refer to the appendix for information regarding the reconciliation of operating earnings (non-GAAP) to reported earnings $24 $4 ~$2 2025 - 2029 prior

  5. Slide 5: Capital increase driven by data center transaction and customer-focused initiatives

    • Capital increase of $6 billion from prior plan is primarily driven by data center transaction and other customer-focused initiatives — Incremental storage investment to support data center transaction; fully covered by the data center customer — Renewable investment supports continued success of M

  6. Slide 6: Agreement for ~1.4 GW of new data center load drives growth

    Recently executed agreement for ~1.4 GW of new data center load drives growth and customer affordability benefits Overview Capacity Requirements Investment Next Steps • Executed agreement with a subsidiary of Oracle • ~1.4 GW of demand ramping up over next 2 to 3 years • 19-year power supply agreeme

  7. Slide 7: Additional data center opportunities provide upside to long-term plan

    2025 2026 2027 2028 2029 2030 Additional data center opportunities provide upside to long-term plan 7 $7.23 $7.73 ~3 GW data center opportunities provide upside to plan (operating EPS2 guidance) ~3 GW could drive over 8% operating EPS CAGR from 2027 - 2030 6 GW pipeline provides additional capital o

  8. Slide 8: Economic development and continuous improvement sustain affordability track record

    Economic development opportunities combined with our continuous improvement culture will sustain our track record of managing customer affordability 3.0% 15.8% 21.3% DTE Electric Great Lakes average National average Top tier affordability Total electric residential bill change % from 2021 to 20251 ✓

  9. Slide 9: 2026 operating EPS early outlook provides 7% growth over 2025

    2026 operating EPS1 early outlook midpoint provides 7% growth over 2025 original guidance midpoint; positioned to achieve high end 9 1. Refer to the appendix for information regarding the reconciliation of operating earnings (non-GAAP) to reported earnings 2024 guidance midpoint 2025 guidance 2026 e

  10. Slide 10: Maintaining strong cash flows, balance sheet and credit profile

    Maintaining strong cash flows, balance sheet and credit profile 10 Credit ratings S&P Moody’s Fitch DTE Energy (unsecured) BBB Baa2 BBB DTE Electric (secured) A Aa3 A+ DTE Gas (secured) A A1 A Strong balance sheet supports robust customer-focused investment agenda • Customer-focused capital investme

  11. Slide 11: Investment Thesis: proven execution, strong growth outlook

    11 Investment Thesis: proven execution, strong growth outlook and customer- focused strategy backed by a solid regulatory construct Strong Long-Term Growth Opportunities Solid Regulatory Construct Reliable and Affordable Energy for our Customers Consistent Financial Results • Met or exceeded operati

  12. Slide 12: Appendix

    12 Appendix

  13. Slide 13: 2025 operating EPS guidance midpoint provides 7% growth over 2024

    2025 operating EPS1 guidance midpoint provides 7% growth over 2024 original guidance midpoint; positioned to achieve high end (millions, except EPS) 2025 guidance DTE Electric $1,205 - $1,225 DTE Gas 310 - 320 Higher O&M as we unwind one-time lean operational measures implemented over the past few y

  14. Slide 14: DTE Gas: replacing aging infrastructure for reliability and safety

    DTE Gas: replacing aging infrastructure to ensure reliability and safety for our customers 14 Gas renewal program Base infrastructure $1.5 $1.8 $2.5 $2.7 2025 - 2029 prior plan 2026 - 2030 current plan $4.0 $4.5 DTE Gas investment (billions) • Continuing to improve customer service excellence and pr

  15. Slide 15: DTE Vantage: strategic focus on decarbonization solutions

    DTE Vantage: strategic focus on decarbonization solutions for customers 15 JN • Progressing on project development − Continuing construction on the long-term, fixed-fee custom energy solutions project with Ford Motor Company; expecting commercial operation in 2026 − Progressing on project to design,

  16. Slide 16: Preparing for significant capacity additions as plants retire

    We are preparing for significant capacity additions as we serve new load and replace retiring plants 16 ✓ Data center driven load growth drives incremental storage requirement near- term Key drivers of generation development ✓ Clean energy legislation and evolving policy landscape ✓ Retirement of le

  17. Slide 17: Top tier affordability for our customers

    Top tier affordability for our customers over the last 4 years 17 State comparison – electric residential bill change % from 2021 to 20251 DTE 3.0% Great Lakes average 15.8% U.S. average 21.3% 1st quartile 2nd quartile 3rd quartile 4th quartile Great Lake peer states 1. Source: Energy Information Ad

  18. Slide 18: ESG efforts are key priorities

    Environmental, social and governance (ESG) efforts are key priorities; aspiring to be the best in the industry Environment • Transitioning towards net zero1 emissions at both utilities • Accelerating transition to cleaner generation • Protecting our natural resources Social • Focusing on the diversi

  19. Slide 19: Investing in Michigan businesses, creating jobs and supplier diversity

    $3.3b invested with Michigan businesses in 2024 $955m invested with Detroit suppliers in 2024 $1.0b invested with certified suppliers owned by women, minorities, veterans, members of the LGBTQ+ community and disability- owned businesses in 2024 70+ supplier diversity awards earned since 2018 92,000

  20. Slide 20: Weather impact on sales

    Weather impact on sales Cooling degree days1 Operating earnings2 impact of weather Weather normal sales1 DTE Electric Heating degree days3 Operating earnings2 impact of weather DTE Gas (GWh) YTD 2024 YTD 2025 % Change Residential 11,930 11,998 0.6% Commercial 14,604 14,435 (1.2%) Industrial 7,817 7,

  21. Slide 21: Cash flow and capital expenditures guidance

    Cash flow and capital expenditures guidance 21 1. Includes equity issued for employee benefit programs 2025 guidance DTE Electric Base infrastructure $765 Cleaner generation 1,450 Distribution infrastructure 1,520 $3,735 DTE Gas Base infrastructure $345 Gas renewal program 315 $660 Non-utility $375

  22. Slide 22: Reconciliation of reported to operating earnings

    Reconciliation of reported to operating earnings (non-GAAP) 22 Use of Operating Earnings Information – Operating earnings exclude non-recurring items, certain mark-to-market adjustments and discontinued operations. DTE Energy management believes that operating earnings provide a meaningful represent

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