SAIDI
176 min per year
Average outage minutes (2023)
4-County Electric Power Assn is a member-owned electric cooperative operating in Mississippi under EIA identifier 6641. It reports service to approximately 51,053 customer accounts and generated about $0.13 billion in annual electric revenue, with a service footprint spanning 38 ZIP codes. As a cooperative, its governance is accountable to its ratepayer-members rather than shareholders, which often shapes rate-setting and reinvestment priorities.
In 2023, the average 4-County Electric Power Assn customer experienced 175.5 minutes of power interruptions, a measure known as SAIDI, or System Average Interruption Duration Index. That sits within the 120–180 minute national benchmark range, indicating performance typical of U.S. distribution utilities. Over the same period, SAIFI (outage events per customer) was 1.88, putting the typical customer at roughly 2 distinct interruptions that year. Strip out major event days (hurricanes, ice storms) and SAIDI falls to 134.8 minutes; the difference from the headline 175.5 shows how much of the outage total came from weather rather than everyday grid issues.
With 4 consecutive years of EIA data (2020–2023), 4-County Electric Power Assn's reliability record can be judged on trend rather than one isolated year. SAIDI dropped from 236.7 to 175.5 minutes across that span, a direction regulators and prospective customers tend to watch closely.
SAIDI
176 min per year
Average outage minutes (2023)
SAIFI
1.88 interruptions/yr
Outage frequency (2023)
Customers
51,053
Mississippi service territory
176 outage minutes per customer annually
Minutes without power per year (2023)
| Year | SAIDI (min) | SAIDI nMED | SAIFI | Customers |
|---|---|---|---|---|
| 2020 | 236.7 | 108.2 | 1.750 | 48,517 |
| 2021 | 508.5 | 111.2 | 2.000 | 49,050 |
| 2022 | 233.0 | 145.0 | 3.500 | 49,554 |
| 2023 | 175.5 | 134.8 | 1.880 | - |
SAIDI nMED = SAIDI without major event days. Source: EIA Form 861.
4-County Electric Power Assn serves 38 ZIP codes in Mississippi.
4-County Electric Power Assn had a SAIDI of 175.5 minutes in 2023. Excluding major storm impacts, this tracks roughly with the national average.
4-County Electric Power Assn is classified as a Cooperative serving Mississippi.
4-County Electric Power Assn serves approximately 51,053 customers in Mississippi.
4-County Electric Power Assn has 4 years of reliability data (2020-2023). SAIDI has held roughly steady across these years. Review the trend table above for year-by-year detail.
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.
Every figure on PlainUtility is rendered directly from the U.S. Energy Information Administration's Form 861 reliability data, no number is typed in by an editor. This utility's SAIDI/SAIFI figures are rendered directly from EIA Form 861 reliability files. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of 2020-2023.