How reliable is Delmarva Power?

Delmarva Power customers averaged 1.7 hours without power in 2024 (SAIDI), which is about average and better than the US average, about the same as the Maryland median (2.0 h), per official US EIA data.

Where does Delmarva Power rank among US electric utilities?

By official EIA SAIDI, Delmarva Power is #70 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 Delmarva Power serve?

Delmarva Power serves 13 counties across Delaware and Maryland, per its EIA-861 service territory filing.

Where does Delmarva Power provide power?

Delmarva Power operates in Delaware, Maryland. The full list of counties served is below, each linked to its live outage status.

Delmarva Power: Outages & Reliability

As of October 7, 2026 09:00 UTC, no major outages are reported on Delmarva Power's network.

Delmarva Power is an investor owned utility serving 13 counties in Delaware and Maryland. In 2024, its customers went an average of 1.7 hours without power (SAIDI), across about 0.7 interruptions each. That ranks it #70 of 468 US utilities by reliability, where #1 is the most reliable. Its outage duration is better than the US average and about the same as the Maryland median (2.0 h).

LIVE ON ITS NETWORKLive · total only

No major outages currently reported on Delmarva Power's network.

Official reliability (EIA 2024)

US EIA

1.7 hrs

SAIDI / customer / yr

0.7

SAIFI / yr

2.4 hrs

CAIDI / outage

better than the US average (US 11.0h)

Ranks #70 of 468 US utilities by reliability (#1 = most reliable) · about the same as the Maryland median (2.0 h).

Residential price18.4¢/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 Delmarva Power’s reliability has been worsening (lower is better).

Outage trend · Delmarva Power

0customers out · peak 68

Data as of Oct 7, 2026 09:00 UTC

Times in EDT. Shaded stretches had no reading.

Counties served by Delmarva Power (13)

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

Delmarva Power: FAQ

How reliable is Delmarva Power?: Delmarva Power customers averaged 1.7 hours without power in 2024 (SAIDI), which is about average and better than the US average, about the same as the Maryland median (2.0 h), per official US EIA data.
Where does Delmarva Power rank among US electric utilities?: By official EIA SAIDI, Delmarva Power is #70 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 Delmarva Power serve?: Delmarva Power serves 13 counties across Delaware and Maryland, per its EIA-861 service territory filing.
Where does Delmarva Power provide power?: Delmarva Power operates in Delaware, 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.