Pepco
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 PEPCO headquarters in Washington, D.C., in 2020 | |
| Pepco | |
| Type | Subsidiary |
| Industry | Utilities |
| Founded | April 28, 1896 (as Potomac Electric Power Company) |
| Founder | Oscar T. Crosby |
| Headquarters | United States  |
Area served | Washington metropolitan area |
| Products | Electric power |
Number of employees | 1,429 |
| Parent | Exelon |
| ASN | 17347 |
| Website | pepco |
The Potomac Electric Power Company (PEPCO) is an American utility company that supplies electric power to the city of Washington, D.C., and to surrounding communities in Maryland. It is owned by Exelon.
The company's current trademarked slogan is "Your life. Plugged in." Its former slogan was "We're connected to you by more than power lines." In the 1930's it promted itself by claiming the offered "matchless service". This was an attempt at a pun, as since Pepco provided gas home services, there was no need for a match to light anything.
Pepco's bulk transmission system consists of transmission lines operating at 115 kV, 138kV, 230 kV and 500 kV. Pepco has interconnections with Potomac Edison (230kV, 500kV), Baltimore Gas and Electric (500kV, 230kV, 115kV), and Dominion Virginia Power (500kV, 230kV).