1. DTE Energy Commercial & Industrial Energy Optimization Program Energy Efficient, Sustainable Detroit DTE Energy Headquarters December 9, 2010

2. Agenda DTE Energy Your Energy Savings Program Overview Making the Program Work For You How the Program Can Improve Your Business Q & A Closing 2

3. DTE Energy Your Energy Savings Program Overview 3

4. Lower customer bills Reduce energy demand throughout Michigan Help protect the environment Helps motivate as well as offset the costs of investment when upgrading to or replacing with energy efficient products Provides long term energy savings Lowers electric/gas bills compared to less efficient equipment Reduces your carbon footprint Michigan Public Act 295 (PA 295) Passed October 2008 Requires investor owned utilities, municipalities, and rural electric cooperatives to institute energy optimization programs Key Energy Optimization (EO) Elements of Michigan Legislation PA 295 DTE Energy Participation DTE Energy Participation Customer Benefits Customer Benefits 4

5. 2010 Program Results Active applications received: over 1900 Total number of measures: over 4400 Customers involved with program: over 1100 Total incentives reserved for gas and electric projects: over $10M Savings of over 120,000 MWH expected Savings of 300,000 MCF expected *Based on data as of October 2010 5

6. Incentive Types Prescriptive Incentives –Predetermined measures and incentives for industrial and commercial customers for the installation of specific energy efficient equipment for numerous applications –Incentives typically average 20% to 50% of the incremental cost of purchasing qualifying technologies Custom Incentives –Custom incentives are determined on a case-by-case basis and are paid per unit energy saved ($0.08/kWh and/or $4/MCF) New Construction & Renovation –Incentives are available for up to $3,000 for whole building modeling –Additional incentives are determined based on modeling results showing that energy efficiency exceeds ASHRAE 90.1-2004 standards by 10% 6

7. Making the Program Work for You 7

8. 2011 Program Overview 2011 Program Application was made available on October 1, 2010 Project must be completed after November 1, 2010 to be considered for 2011 funds 2011 Reservation Applications will be accepted after October 1, 2010 2011 Final Applications will be accepted after January 1, 2011 8

9. Requesting a Reservation Before the Prescriptive Project Begins For PRESCRIPTIVE PROJECTS, the customer must complete and submit ALL of the following pages: APPLICATION CHECKLIST CUSTOMER INFORMATION CONTRACTOR INFORMATION PRESCRIPTIVE WORKSHEETS for each prescriptive energy saving measure 9 Note: A Your Energy Savings inspector may contact you to schedule a visit to your facility in order to verify your existing conditions. Application Checklist Customer & Contractor Information Prescriptive Worksheets

10. Requesting a Reservation Before the Custom Project Begins For CUSTOM PROJECTS, the customer must complete and submit ALL of the following pages: APPLICATION CHECKLIST CUSTOMER INFORMATION CONTRACTOR INFORMATION CUSTOM WORKSHEET providing a brief project description ITEMIZED QUOTE providing the cost of each piece of custom equipment MANUFACTURER’S EQUIPMENT SPECIFICATIONS for each piece of custom equipment 10 Note: A Your Energy Savings inspector will contact you to schedule a visit to your facility in order to verify your existing conditions.

11. Requesting an Incentive Payment After the Project Is Completed For both PRESCRIPTIVE and CUSTOM PROJECT incentives, the customer must complete and submit ALL of the following pages: APPLICATION CHECKLIST CUSTOMER INFORMATION CONTRACTOR INFORMATION CUSTOMER AGREEMENT All applicable PRESCRIPTIVE and/or CUSTOM WORKSHEETS ITEMIZED INVOICE(S) MANUFACTURER’S EQUIPMENT SPECIFICATIONS for all equipment 11 Note: A Your Energy Savings inspector may contact you to schedule a visit to your facility in order to verify the installation and operation of your new equipment. 11

12. Program Caps and Limitations Incentive Funds are Limited Funds are Reserved Based on Availability Per Facility$25,000$150,000 Per Customer$100,000$500,000 Customer sites with self-directed EO programs will not be eligible to participate in DTE Energy’s EO incentive program. Yearly Program Caps Gas Electric 12

13. Finding Information on the Website 13 Then Select: 1.“My Business” 2.“Rebates and Offers” 3.“2011 Prescriptive” or “2011 Custom,” depending on your project type To obtain an application, visit: www.YourEnergySavings.com 13

14. Downloading an Application CLICK TO DOWNLOAD EXCEL OR PDF VERSION OF APPLICATION 14

15. Keeping Informed of Program Status Orange arrows- Paid: Funds paid to date Blue arrows- Active: Funds that have been paid to or reserved by our customers 15

16. How the Program Can Improve Your Business 16

17. DTE Energy’s Your Energy Savings Program Can Improve Your Business Reduces your project cost to customer with EO incentives and allows you the opportunity to become the direct payee Builds customer awareness for your company by providing you the opportunity to be listed in the DTE Energy – Energy Efficiency Directory Lends credibility to your business Allows networking with other trade allies Assists in introducing new technologies 17

18. Level of Support You Can Count On Joint site visits or presentations to identify energy savings opportunities Jointly pursuing new market opportunities Assistance in quantifying savings for custom measures Frequent program updates – quarterly newsletters, new measures, changes in incentives, current status 18

19. Level of Support You Can Count On Collateral Materials Available: –Case Studies –Fact Sheets –Brochures –Guidelines for Completing Your Application –Policies and Procedures Manual –Measures Checklist 19

20. Lessons Learned Reserve funds prior to starting your project Turn in complete Reservation and Final Applications along with all required documentation Work with us to validate the savings projections for custom projects Remember that it’s to our advantage to partner with trade allies to improve the program and our offerings 20

21. QUESTIONS? 21

22. Thank You! Email YourEnergySavings@kema.com Or, contact any Your Energy Savings team member for personal assistance. Phone 1-866-796-0512 Fax 1-877-607-0744 Website www.YourEnergySavings.com 22