How reliable is Potomac Electric Power Co?

Potomac Electric Power Co customers averaged 0.8 hours without power in 2024 (SAIDI), which is very reliable and better than the US average, better than the Maryland median (2.0 h), per official US EIA data.

Where does Potomac Electric Power Co rank among US electric utilities?

By official EIA SAIDI, Potomac Electric Power Co is #21 of 468 US utilities by reliability that report reliability and serve at least three counties, #1 being the most reliable. Overall it is better than the US average.

How many customers does Potomac Electric Power Co serve?

Potomac Electric Power Co serves 3 counties across District of Columbia and Maryland, per its EIA-861 service territory filing.

Where does Potomac Electric Power Co provide power?

Potomac Electric Power Co operates in District of Columbia, Maryland. The full list of counties served is below, each linked to its live outage status.

Potomac Electric Power Co: Outages & Reliability

As of October 7, 2026 09:00 UTC, about 6 Potomac Electric Power Co customers are without power in 2 counties.

Potomac Electric Power Co is an investor owned utility serving 3 counties in District of Columbia and Maryland. In 2024, its customers went an average of 0.8 hours without power (SAIDI), across about 0.4 interruptions each. That ranks it #21 of 468 US utilities by reliability, where #1 is the most reliable. Its outage duration is better than the US average and better than the Maryland median (2.0 h).

SCATTERED OUTAGES · ON ITS NETWORKLive · total only

Potomac Electric Power Co customers out in 2 counties

Official reliability (EIA 2024)

US EIA

0.8 hrs

SAIDI / customer / yr

0.4

SAIFI / yr

1.9 hrs

CAIDI / outage

better than the US average (US 11.0h)

Ranks #21 of 468 US utilities by reliability (#1 = most reliable) · better than the Maryland median (2.0 h).

Residential price18.8¢/kWhaverage, US EIA 2024energy trends →

Reliability over time

Official EIA SAIDI, hours without power per customer per year (IEEE, incl. major events). Over this period Potomac Electric Power Co’s reliability has been improving (lower is better).

Outage trend · Potomac Electric Power Co

6customers out · peak 302

Data as of Oct 7, 2026 09:00 UTC

Times in EDT. Shaded stretches had no reading.

Counties served by Potomac Electric Power Co (3)

Service territory reported to EIA-861; each links to live outage status and history.

Potomac Electric Power Co: FAQ

How reliable is Potomac Electric Power Co?: Potomac Electric Power Co customers averaged 0.8 hours without power in 2024 (SAIDI), which is very reliable and better than the US average, better than the Maryland median (2.0 h), per official US EIA data.
Where does Potomac Electric Power Co rank among US electric utilities?: By official EIA SAIDI, Potomac Electric Power Co is #21 of 468 US utilities by reliability that report reliability and serve at least three counties, #1 being the most reliable. Overall it is better than the US average.
How many customers does Potomac Electric Power Co serve?: Potomac Electric Power Co serves 3 counties across District of Columbia and Maryland, per its EIA-861 service territory filing.
Where does Potomac Electric Power Co provide power?: Potomac Electric Power Co operates in District of Columbia, Maryland. The full list of counties served is below, each linked to its live outage status.

Reliability metrics (SAIDI/SAIFI) and service territory from the US EIA Form 861. SAIDI/SAIFI are IEEE-standard, including major event days. Primary state: Maryland.

Data from EIA Form 861 (utility reliability) and DOE/ORNL ODIN, every source we read. Live data as of October 7, 2026 09:00 UTC.