PROGRESS REPORT M Y 2015 UPD TE l pepco

Our Work to Upgrade Reliability District of Columbia Progress Results

1. TRIMMING TREES Many of Pepco’s recent outages are a direct result of We trimmed trees along 43 miles of power lines in the trees falling on power lines. Pepco is aggressively District of Columbia during May, bringing the annual trimming trees along public rights of way to obtain total to 62.3 miles. The annual target for 20 5 is increased clearance between the overhead electric 399 miles. wires and existing trees. Pepco also will work with District of Columbia communities and homeowners to remove potentially hazardous trees which fall outside of the company’s right of way area.

2. IMPROVING PRIORITY FEEDERS A feeder is an electric power line that distributes In May, we continued work in the areas of Washington power to up to , 00 customers within a specific Highlands, and . We geographic area. Each year, across the District of completed work on a carryover project in the area of Columbia, Pepco selects feeders for additional work . We completed work on three projects to to improve performance. As part of the Reliability date. We plan to complete 6 projects during 20 5. Enhancement Plan, Pepco has expanded this program by 45 percent.

3. PREPARING FOR SYSTEM GROWTH Similar to upgrading electric service to your home to In May, we continued work on projects in the areas of accommodate new appliances and electronic devices, Georgetown, , Petworth and Brookland. Pepco is continuing to upgrade power lines and is We completed work on one project to date. We plan adding circuits to accommodate new customers and to complete 22 projects during 20 5. support increased energy use by existing customers.

pepco.com PROGRESS REPORT – DISTRICT OF COLUMBIA May 2015 UPD TE

. INSTALLING ADVANCED TECHNOLOGIES Pepco is installing advanced control systems that In May, we continued work on projects in the areas of allow the electric system to identify problems and , Cathedral Heights, Benning and perform switching automatically. The technology will Brookland. The 20 5 plan includes the activation of six automatically isolate failed pieces of equipment and automated restoration schemes. Due to multiple restore most of the affected customers within revisions and planning issues, the construction for the minutes of the failure. six automated restoration schemes is planned for this year; the activation will not occur until 20 6.

5. IMPROVING ADDITIONAL FEEDERS A feeder is an electric power line that distributes In May, we continued work on projects in the areas of power to up to , 00 customers within a specific Brightwood and . We completed work on one geographic area. This program supplements the project to date. We plan to complete two projects during priority feeder program and focuses on addressing 20 5. equipment, vegetation, weather and animal-related issues that negatively impact reliability performance. As part of the Reliability Enhancement Plan, Pepco will expand this program by 45 percent.

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