DTE Energy Company · NYSE:DTE

DTE Energy — Investor Presentation (June 2012)

17 slides from DTE Energy's investor presentation, June 2012

1. Slide 1: Energy Efficiency Rewards and Incentives

   Energy Efficiency Rewards and Incentives Energy Optimization Credits (EOCs) / White Tags® For Electricity and Natural Gas Savings

2. Slide 2: Agenda

   Agenda  White Tags® Program Description  Introduction to White Tags®  White Tags® Measurement and Validation  Contacts for more Information 2

3. Slide 3: Pilot Program Description

   Pilot Program Description • DTE Energy and Sterling Planet have a two-year agreement (2011 – 2012) • Large C&I customers of DTE Energy are eligible to participate (except Self-Direct) • Performance-based cash alternative to EO Rebate Program • Measured C&I efficiency improvements to be purchased as

4. Slide 4: White Tags Program Benefits

   White Tags® Program Benefits • Financial compensation for measured energy savings • Recurring, performance-based revenue potential • Incentives for new efficiency projects C&I Customer • Long-term energy savings • Reduced carbon footprint • Opportunity for positive marketing and public relations • P

5. Slide 5: Introduction to Sterling Planet

   Introduction to Sterling Planet Pioneer in clean energy solutions  Founded in 2000, incorporated in Georgia  First nationwide offer of retail renewable energy certificates (RECs)  One of first REC providers with Green-e Energy certification  REC provider to 15 of top 30 U.S. renewable energy pur

6. Slide 6: Agenda

   Agenda  White Tags® Program Description  Introduction to White Tags®  White Tags® Measurement and Validation  Contacts for more Information 6

7. Slide 7: White Tags Definition

   White Tags® Definition Energy Optimization Credits = EOCs = White Tags® the Currency of energy efficiency markets 1 Electric White Tag® = 1 MWh conserved 1 Natural Gas White Tag® = 1 MCF conserved  Measured in megawatt-hours (MWh) for electricity  Measured in thousand cubic feet (MCF) for natural

8. Slide 8: White Tags Environmental Benefits

   White Tags® Environmental Benefits Energy Efficiency results in environmental benefits, but in the DTE Energy Pilot Program, only the Energy Efficiency credits are being purchased 1 Electric White Tag® = 1,800 CO2 pounds avoided 1 Natural Gas White Tag® = 120 CO2 pounds avoided 8

9. Slide 9: White Tags Life Cycle

   White Tags® Life Cycle Rewarding and promoting energy efficiency Lighting retrofit lowers electric use New revenue available Electric meter for reinvestment in new readings show efficiency projects energy savings White Tag Pro™ White Tags® measures and validates created and sold energy savings 9

10. Slide 10: White Tags Buyers and Sellers

    White Tags® Buyers and Sellers Typical Buyer: Electric or gas utility, such as Detroit Edison and MichCon, needing White Tags® to meet energy-efficiency mandates. White Tags offer a ready path to compliance. Typical Seller: A C&I customer that has made an energy efficiency improvement and can prove

11. Slide 11: White Tags Services

    White Tags® Services Helping Detroit Edison, MichCon serve C&I customers Sterling Planet’s services include:  White Tags® creation  Measurement and validation with White Tag Pro® software  Ongoing White Tags® creation and maintenance  Financial compensation for C&I White Tags®  Banking of White

12. Slide 12: White Tags Services

    White Tags® Services Detroit Edison & MichCon C&I customers can receive EO Program Rebates OR sell White Tags, they cannot do BOTH for the same energy savings in the same project. 12

13. Slide 13: Agenda

    Agenda  White Tags® Program Description  Introduction to White Tags®  White Tags® Measurement and Validation  Contacts for more Information 13

14. Slide 14: Measured Energy Savings

    Measured Energy Savings Basis of White Tags® creation 1. Establish baseline of historic energy use 2. C&I customer completes energy efficiency project: - process improvement - HVAC upgrade - new energy management system - lighting retrofit - or other energy-saving project 2. Post-project energy use

15. Slide 15: White Tag Pro

    White Tag Pro™ Sterling Planet will work with each customer to establish a baseline energy usage and track reductions based on the requirements of each project. 15

16. Slide 16: Agenda

    Agenda  White Tags® Program Description  Introduction to White Tags®  White Tags® Measurement and Validation  Contacts for more Information 16

17. Slide 17: Contact Information

    Contact Information Alden Hathaway Senior Vice President, Business Development Sterling Planet 678-534-5827 ahathaway@sterlingplanet.com Bob Fegan EO White Tag Pilot Program Manager DTE Energy 616-954-4619 feganb@dteenergy.com DTEEnergy.com/saveenergy 17

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