How reliable is CORE Electric Cooperative?

CORE Electric Cooperative customers averaged 3.5 hours without power in 2024 (SAIDI), which is below average and better than the US average, better than the Colorado median (4.3 h), per official US EIA data.

Where does CORE Electric Cooperative rank among US electric utilities?

By official EIA SAIDI, CORE Electric Cooperative is #179 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 CORE Electric Cooperative serve?

CORE Electric Cooperative serves 11 counties across Colorado, per its EIA-861 service territory filing.

Where does CORE Electric Cooperative provide power?

CORE Electric Cooperative operates in Colorado. The full list of counties served is below, each linked to its live outage status.

CORE Electric Cooperative: Outages & Reliability

As of October 7, 2026 09:00 UTC, about 1 CORE Electric Cooperative customers are without power in 1 county.

CORE Electric Cooperative is an cooperative utility serving 11 counties in Colorado. In 2024, its customers went an average of 3.5 hours without power (SAIDI), across about 0.9 interruptions each. That ranks it #179 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 Colorado median (4.3 h).

SCATTERED OUTAGES · ON ITS NETWORKOutages only

CORE Electric Cooperative customers out in 1 county

Official reliability (EIA 2024)

US EIA

3.5 hrs

SAIDI / customer / yr

0.9

SAIFI / yr

3.8 hrs

CAIDI / outage

better than the US average (US 11.0h)

Ranks #179 of 468 US utilities by reliability (#1 = most reliable) · better than the Colorado median (4.3 h).

Residential price15.0¢/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 CORE Electric Cooperative’s reliability has been worsening (lower is better).

Outage trend · CORE Electric Cooperative

1customers out · peak 93

Data as of Oct 7, 2026 09:00 UTC

Times in EDT. Shaded stretches had no reading.

Counties served by CORE Electric Cooperative (11)

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

What causes CORE Electric Cooperative outages

Share of outage-time by reported cause across the counties it serves (territory-wide, may include other utilities in shared counties).

A reported cause is available for 0.3% of outage-time over 2 months of live data. Shares are of the portion with a known cause; bars are scaled to the largest cause.

CORE Electric Cooperative: FAQ

How reliable is CORE Electric Cooperative?: CORE Electric Cooperative customers averaged 3.5 hours without power in 2024 (SAIDI), which is below average and better than the US average, better than the Colorado median (4.3 h), per official US EIA data.
Where does CORE Electric Cooperative rank among US electric utilities?: By official EIA SAIDI, CORE Electric Cooperative is #179 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 CORE Electric Cooperative serve?: CORE Electric Cooperative serves 11 counties across Colorado, per its EIA-861 service territory filing.
Where does CORE Electric Cooperative provide power?: CORE Electric Cooperative operates in Colorado. 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: Colorado.

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.