Updated: March 2026
Commercial rate guide for Delmarva Power — Delaware (entire state) and the Eastern Shore of Maryland including Salisbury, Easton, and Ocean City. Subsidiary of Exelon Corporation.
Medium general service (MGS) and large general service (LGS) rate classes. Demand charges for accounts above 25 kW. Gas rates under residential and general service schedules. SOS (Standard Offer Service) for default supply.
Rising
6.2% electric delivery increase effective January 2026 in Delaware; 5.5% increas
6.2% electric delivery increase effective January 2026 in Delaware; 5.5% increase in Maryland effective April 2026
Property managers with Delmarva Power accounts frequently encounter these billing challenges:
Cross-state rate differences between DE and MD service territories
Standard Offer Service pricing changes creating bill volatility
Demand charges during summer beach community peaks
Gas and electric combined billing complexity
Supplier switching coordination delays across state lines
Businesses can choose their energy supplier in this market.
Supply choice available in both Delaware and Maryland through competitive suppliers. Delivery regulated by Delmarva Power. SOS pricing set by periodic procurement auctions overseen by DE PSC and MD PSC.
Grid modernization investment surcharge under DE PSC review; offshore wind cost recovery petition filed with MD PSC
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