NECPUC Symposium Central Maine Power: Transforming the Customer Experience with AMI June 11, 2013

2 Overview of Central Maine Power Wholly-owned subsidiary of Iberdrola S.A., global Top 5 energy company with 31,000 employees, operating in 40 countries. Delivers more than 9 billion kilowatt-hours of electricity yearly to 600,000 retail electric customers. Electric service in central and southern Maine 11,000 square miles service area 23,695 miles of distribution circuits Most-treed state in the United Status Award-winning utility leader: JD Power #1 in Customer Satisfaction 7 times 2 Edison Electric Institute awards for Storm Recovery

3 CMP’s AMI Infrastructure and Systems Complete YE 2012 Project DeliverablesComplete Over 600,00 meters Installed  Design and install 11k sq miles wireless network  Deliver system performance to achieve benefits  Deliver 10 new/upgraded systems including Meter Data Management, Outage Management & Settlement System  Launch Energy Manager with energy usage information  Conduct Information Research StudyResults 3Q13 Support dynamic pricing implementation 

4 Operational Efficiencies+Customer Benefit 99.6% meters read annually + Significantly reduced estimated bills Over 140k avoided truck rolls + Reconnect in 7 minutes Up to 2k remote orders daily + Automate after-hours reconnect 1.4 million miles reduced + Schedule service orders by the hour Faster outage assessment + More informed customer outage communications and faster restoration CMP’s AMI Benefits Realized # Estimated reads: January

5 5 AMI Foundation to Transform the Customer Experience

Achieved operational efficiencies Optimize assets for: Continued customer enhancements Platform for Automation Expanded operational efficiencies Full Smart Grid network integration and Grid Analytics Innovate rates and billing options Optimizing AMI: CMP’s Value Glide Path CMP’s AMI platform supports operational and customer enhancements today and in the future