IOU · Texas · EIA 3278
AEP Texas Central Company
IOU · Texas. According to the U.S. Energy Information Administration's EIA Form 861, reliability for 2023 shows SAIDI 409 minutes/customer.
Reliability verdict
AEP Texas Central Company shows near-benchmark chronic reliability in 2023: 170 minutes SAIDI excluding major events (409 minutes including them).
- 409 min
- SAIDI 2023
- 2.02
- SAIFI 2023
- 170 min
- SAIDI ex-MED
Chronic reliability judged on SAIDI excluding major event days when reported (IEEE 1366). Source: EIA Form 861 · August 2026.
Signature read: long interruption minutes vs the 911 utility cohort (>258 min tercile cut).
What long-outage AEP Texas Central Company filings show
AEP Texas Central Company is an investor-owned utility operating in Texas under EIA identifier 3278. Customer count is not reported in the current EIA filing. As an investor-owned utility, it operates under state public utility commission oversight that reviews rate cases and reliability performance.
In 2023, the average AEP Texas Central Company customer experienced 408.9 minutes of power interruptions, the industry-standard SAIDI metric (System Average Interruption Duration Index). Excluding major weather events from that total, that sits within the 120–180 minute national benchmark range, indicating performance typical of U.S. distribution utilities. SAIFI, the average number of outage events per customer, was 2.02 for the same period, so customers statistically faced roughly 2 distinct interruptions that year. Strip out major event days (hurricanes, ice storms) and SAIDI falls to 169.7 minutes; the difference from the headline 408.9 shows how much of the outage total came from weather rather than everyday grid issues.
AEP Texas Central Company has 4 years of continuous EIA reporting on file (2020–2023), enough to read a real trend rather than a single-year snapshot. Over that window, SAIDI moved from 515.6 down to 408.9 minutes, a trend worth noting for anyone weighing capital investment outcomes.
Based on this utility's own EIA Form 861 reliability record -- baseline (major-event- excluded) outage duration, total outage duration, and outage frequency -- each benchmarked against every reporting utility nationwide. Not a measure of electricity rates or customer service, which this portal does not track.
409 minutes per customer per year
Power-out minutes per year (2023)
SAIDI by year (2020-2023)
Minutes per customer-year · EIA Form 861
Year-by-year SAIDI for AEP Texas Central Company from the same EIA filings as the table below. Lower is better; major-event years can spike the headline figure.
AEP Texas Central Company SAIDI trend
AEP Texas Central Company vs the nationwide SAIDI distribution
Where this utility's headline SAIDI sits among every EIA Form 861 utility with a reported figure
409 Higher than most fewer outage minutes than 22% of 911 utilities
Utilities nationwide, banded by latest reported SAIDI (minutes)
Each bar is a band; taller bars hold more utilities. The dashed line + filled bar mark this entry. Hover or tap any bar for its full count and share, and where it sits relative to this entry.
Source U.S. EIA Form 861 reliability filings · August 2026
SAIDI 2023 breakdown: 408.9 minutes
Reliability Trend (2020–2023)
| Year | SAIDI (min) | SAIDI nMED | SAIFI | Customers |
|---|---|---|---|---|
| 2020 | 515.6 | 170.1 | 1.882 | 869,844 |
| 2021 | 1901.1 | 186.3 | 3.363 | 883,117 |
| 2022 | 208.9 | 166.2 | 2.113 | 894,484 |
| 2023 | 408.9 | 169.7 | 2.018 | 901,182 |
SAIDI nMED = SAIDI without major event days. Source: EIA Form 861.
Frequently Asked Questions
How reliable is AEP Texas Central Company?
AEP Texas Central Company had a SAIDI of 408.9 minutes in 2023 including major weather events, but 169.7 minutes excluding them (the IEEE-standard day-to-day reliability measure, the difference points to a major storm that year rather than an ongoing problem). Excluding major weather events, this is near the national average.
What type of utility is AEP Texas Central Company?
AEP Texas Central Company is classified as a IOU serving Texas.
How many customers does AEP Texas Central Company serve?
AEP Texas Central Company serves customers in Texas. Exact customer count data is not available in the current EIA filing.
How has AEP Texas Central Company's reliability changed over time?
AEP Texas Central Company has 4 years of reliability data (2020-2023). This utility's SAIDI has stayed fairly flat over the period. Review the trend table above for year-by-year detail.
Utility Profile
- Type
- IOU
- State
- Texas
- Customers
- -
- EIA ID
- 3278
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Source: U.S. Energy Information Administration Form 861 annual electric power industry survey · ZIP service territory: OpenEI. Disclaimer: informational only, not professional advice. See full disclaimer · methodology.