How reliable is Southwestern Public Service Co?

Southwestern Public Service Co customers averaged 2.9 hours without power in 2024 (SAIDI), which is about average and better than the US average, better than the Texas median (26.9 h), per official US EIA data.

Where does Southwestern Public Service Co rank among US electric utilities?

By official EIA SAIDI, Southwestern Public Service Co is #145 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 Southwestern Public Service Co serve?

Southwestern Public Service Co serves 51 counties across New Mexico and Texas, per its EIA-861 service territory filing.

Where does Southwestern Public Service Co provide power?

Southwestern Public Service Co operates in New Mexico, Texas. The full list of counties served is below, each linked to its live outage status.

Southwestern Public Service Co: Outages & Reliability

As of October 7, 2026 09:00 UTC, no major outages are reported on Southwestern Public Service Co's network.

Southwestern Public Service Co is an investor owned utility serving 51 counties in New Mexico and Texas. In 2024, its customers went an average of 2.9 hours without power (SAIDI), across about 1.2 interruptions each. That ranks it #145 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 Texas median (26.9 h).

LIVE ON ITS NETWORKLive · total only

No major outages currently reported on Southwestern Public Service Co's network.

Official reliability (EIA 2024)

US EIA

2.9 hrs

SAIDI / customer / yr

1.2

SAIFI / yr

2.4 hrs

CAIDI / outage

better than the US average (US 11.0h)

Ranks #145 of 468 US utilities by reliability (#1 = most reliable) · better than the Texas median (26.9 h).

Residential price12.9¢/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 Southwestern Public Service Co’s reliability has been improving (lower is better).

Outage trend · Southwestern Public Service Co

0customers out · peak 514

Data as of Oct 7, 2026 09:00 UTC

Times in EDT. Shaded stretches had no reading.

Counties served by Southwestern Public Service Co (51)

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

Southwestern Public Service Co: FAQ

How reliable is Southwestern Public Service Co?: Southwestern Public Service Co customers averaged 2.9 hours without power in 2024 (SAIDI), which is about average and better than the US average, better than the Texas median (26.9 h), per official US EIA data.
Where does Southwestern Public Service Co rank among US electric utilities?: By official EIA SAIDI, Southwestern Public Service Co is #145 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 Southwestern Public Service Co serve?: Southwestern Public Service Co serves 51 counties across New Mexico and Texas, per its EIA-861 service territory filing.
Where does Southwestern Public Service Co provide power?: Southwestern Public Service Co operates in New Mexico, Texas. 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: Texas.

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.