© 2012 CenterPoint Energy Proprietary and Confidential Information 2013 SWEDE Conference Utilizing AMI Richard Grasshoff Director Advanced Meter System

© 2012 CenterPoint Energy Proprietary and Confidential Information 2 Several Examples of Utilizing AMI Enhancing traditional outage response by improving the visibility of near real time outage events and providing a real time situational awareness to stakeholders Real time situational awareness of AMI Communications Improving the financial and regulatory month end revenue visibility by reducing the back office cost of revenue collection with improved revenue estimations. Also, providing trends in consumption by class Protect the company and the Market from Diversion

© 2012 CenterPoint Energy Proprietary and Confidential Information 3 Traditional View of the Storm with Lightning

© 2012 CenterPoint Energy Proprietary and Confidential Information 4 Meter Outage Events with No Matching Restoration & Length of Outage

© 2012 CenterPoint Energy Proprietary and Confidential Information 5 Meter Outage Events rolled up to Outage Cases 5

© 2012 CenterPoint Energy Proprietary and Confidential Information 6 Real Time Situational Awareness Dashboard in Use Today

© 2012 CenterPoint Energy Proprietary and Confidential Information 7 Financial & Regulatory Month End Revenue Estimation/Calculation Daily Register Readings from each meter 96 interval readings from each meter Moved from 90+% estimation to.01% estimation Maximizing Smart Meter Technology No longer dependent on monthly register reads Weather Normalization can be more accurately supported by timely and comprehensive interval data rather than traditional sampling methods Smart Meter interval data will be required in future rate cases for cost allocation and weather normalization Data Driven Decision Making Enhanced understanding by rate class of recent trends in consumption Enhanced ability to anticipate future loads Our New Automated calculation has replaced arduous manual efforts with more accurate results Predictive Analytics Benefits Financial Forecasts

© 2012 CenterPoint Energy Proprietary and Confidential Information 8 Near Real Time View of AMS Comms Systems Status in Telecoms Control Room

© 2012 CenterPoint Energy Proprietary and Confidential Information 9 Real Time View Indicating Traffic Congestion with Alerts

© 2012 CenterPoint Energy Proprietary and Confidential Information AMI Diversion Example Customer removed back circuit board and wrapped switches closed

© 2012 CenterPoint Energy Proprietary and Confidential Information 11 Diversion Detection and Dispositioning 11

© 2012 CenterPoint Energy Proprietary and Confidential Information 12 Department of Energy Disclaimer