PROGRESS REPOR MA 2017 UPDATE

Our Work to Upgrade Reliability District of Columbia Progress Results

1. TRIMMING TREES Many of Pepco’s outages are a direct result of trees We trimmed trees along 23.3 miles of power lines in falling on power lines. Pepco is trimming trees along the District of Columbia during May, bringing the public rights of way to obtain increased clearance annual total to 175.7 miles. The annual target for between the overhead electric wires and existing 2017 is 388 miles. trees. Pepco works 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 completed work in the areas of Bellevue, power to up to 1,100 customers within a specific Brentwood, , and geographic area. Each year, across the District of . We continued work in the areas Columbia, Pepco selects feeders for additional work of Manor Park, , and to improve performance. Eastland ardens. We completed work on eight projects to date. We plan to complete 16 projects during 2017.

3. PREPARING FOR SYSTEM GROWT Similar to upgrading electric service to your home to In May, we completed work in the area. accommodate new appliances and electronic devices, We continued work on projects in the areas of Pepco is continuing to upgrade power lines and is Benning, Waterfront, eorgetown, Petworth and adding circuits to accommodate new customers and Brookland. We completed work on three projects to support increased energy use by existing customers. date. We plan to complete seven system growth projects during 2017.

pepco.com PROGRESS REPORT – DISTRICT OF COLUMBIA May 2017 UPDATE

4. INSTALLING ADVANCED TEC NOLOGIES 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 Brightwood Park, Langston and Edgewood. The 2017 perform switching automatically. The technology will plan includes the activation of six automated automatically isolate failed pieces of equipment and restoration schemes. restore most of the affected customers within minutes of the failure.

5. IMPROVING ADDITIONAL FEEDERS This program supplements the priority feeder In May, we continued work in the areas of Wesley program and focuses on addressing equipment, Heights, Bellevue, Lincoln Heights and . vegetation, weather and animal-related issues that We will continue to work on additional feeders negatively impact reliability performance. throughout the year. We are transitioning to a new cycle where two feeders will be addressed on a monthly basis.

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