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For Immediate Release

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Grid Operator Extends Appeal to Conserve Electricity Until Wednesday

Newark, D.E. - Delmarva Power and PJM Interconnection, the electricity grid operator for more than 61 million people in 13 states and the District of Columbia, are extending the appeal for the public to conserve electricity into Wednesday morning.

The call for conservation is prompted by the continuing arctic weather across the region PJM serves that is driving electricity consumption to record levels.

On Tuesday morning, PJM set a new winter peak of 138,600 megawatts (one megawatt is enough electricity to power 1,000 homes.) That record was expected to be broken tonight as the grid operator projected demand for electricity of about 140,000 megawatts. Demand was expected to remain high-but below record levels-Wednesday morning, and generating plants in the region continue to be stressed by the frigid temperatures.

PJM asks customers to conserve electricity, if health permits - especially from 6 a.m. to 9 a.m. Wednesday. Customers can take simple electricity conservation steps:

• Set thermostats lower than usual, if health permits.
• Postpone using major electric appliances such as stoves, dishwashers and clothes dryers until mid-day or after 9 p.m., when the demand for electricity decreases.
• Turn off electric lights and appliances that you do not need or are not using.

Conserving electricity on Wednesday will help PJM ensure an adequate supply of electricity. Delmarva and PJM continue to carefully monitor the power supply conditions. If necessary, PJM will take additional steps, such as reducing voltage.

Delmarva Power will ensure that all available personnel are ready to respond to any service interruptions. Customers are asked to please call in any outages and stay away from any downed wires. To report outages or downed wires, please call 1-800-898-8042 (New Castle, Cecil and Harford counties) or 1-800-898-8045 (Kent and Sussex counties and the Eastern Shore of Maryland). Follow the prompts and ask for a call back to confirm that power has been restored. Outages also may be reported through www.delmarva.com or through our mobile app. For natural gas emergencies in New Castle County, call 1-302-454-0317.

Find additional information by visiting www.delmarva.com, on Facebook at www.facebook.com/delmarvapower and on Twitter at www.twitter.com/delmarvaconnect. Our mobile app is available at www.delmarva.com/mobileapp.

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