State · EIA Form 861 · MS
Mississippi
According to the U.S. Energy Information Administration's EIA Form 861, SAIDI and SAIFI for Mississippi utilities come from the federal annual survey. 20 utilities report reliability metrics; figures are customer-weighted state averages, not a guarantee for any single address.
Signature read: long chronic outage minutes relative to the 51-state Form 861 cohort (>365 min tercile cut).
EIA Form 861 · Continuity Brief
Mississippi
EIA Form 861 Continuity Brief · August 2026 · IEEE 1366 SAIDI/SAIFI minutes, not a storm forecast.
Mississippi sits in the upper-third SAIDI band at 801.3 minutes across 21 reporting utilities (Magnolia Electric Power Assn highest at 2768.4), above the live national mean of 341.
Named SAIDI peers (in-state best + nearest-state averages)
State SAIDI neighbourhood (minutes / customer-year)
- Mississippi 801.3
- Arkansas 772.3
- West Virginia 747.2
- Vermont 744.4
- Tennessee 866.4
- Kentucky 867.6
Lower is fewer interruption minutes. Neighbours are nearest other-state averages in this corpus.
Mississippi vs all states by EIA Form 861 utility headcount
Where this state's reporting utility count sits among every state in the Form 861 file (coverage density, not reliability quality)
21 Top 35% more reporting utilities than 65% of 51 states
States, banded by electric utilities reporting on EIA Form 861
Each bar is a band; taller bars hold more states. 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 EIA Form 861 · 2026-08-30
Utilities Ranked by Reliability · Mississippi long-outage cohort
All 21 electric utilities in Mississippi with reliability data, sorted by 2023 SAIDI; statewide average sits in the upper-third Form 861 band.
Lowest-SAIDI utilities in Mississippi
Fewest outage minutes · live table sort
Top 10 Mississippi utilities by fewest outage minutes. Lower SAIDI is better - not a quality score beyond interruption duration.
Lowest-SAIDI utilities in Mississippi
| # | Utility | Type | SAIDI 2023 | SAIFI 2023 | Customers |
|---|---|---|---|---|---|
| 1 | Alcorn County Elec Power Assn | Cooperative | 3.6 | 1.58 | 19,113 |
| 2 | City of Starkville | Municipal | 82.7 | 1.60 | 14,480 |
| 3 | City of Columbus - (MS) | Municipal | 86.2 | 0.91 | 12,664 |
| 4 | Coast Electric Power Assn - (MS) | Cooperative | 107.6 | 1.51 | 88,942 |
| 5 | Singing River Elec Cooperative | Cooperative | 161.7 | - | 79,177 |
| 6 | North East Mississippi EPA | Cooperative | 169.3 | 0.94 | 28,837 |
| 7 | 4-County Electric Power Assn | Cooperative | 175.5 | 1.88 | 51,053 |
| 8 | Pearl River Valley El Pwr Assn | Cooperative | 191.1 | 2.56 | 53,323 |
| 9 | Mississippi Power Co | IOU | 245.5 | 1.07 | 191,692 |
| 10 | Northcentral Mississippi E P A | Cooperative | 405.6 | 3.25 | 35,107 |
| 11 | Dixie Electric Power Assn - (MS) | Cooperative | 440.1 | 2.36 | 41,124 |
| 12 | East Mississippi Elec Pwr Assn | Cooperative | 521.4 | 4.33 | 13,208 |
| 13 | Natchez Trace Elec Power Assn | Cooperative | 675.6 | 5.75 | 16,163 |
| 14 | Central Electric Power Assn - (MS) | Cooperative | 895.3 | 5.53 | 38,637 |
| 15 | Tallahatchie Valley E P A | Cooperative | 989.1 | 5.30 | 28,404 |
| 16 | Entergy Mississippi LLC | IOU | 1201.2 | 2.14 | 460,082 |
| 17 | Delta Electric Power Assn | Cooperative | 1309.3 | 17.38 | 28,902 |
| 18 | Southern Pine Electric Cooperative | Cooperative | 1625.1 | 5.21 | 70,323 |
| 19 | Southwest Mississippi E P A | Cooperative | 2255.5 | - | 25,440 |
| 20 | Magnolia Electric Power Assn | Cooperative | 2768.4 | - | 33,064 |
| 21 | Greenwood Utilities Comm | Municipal | - | - | 9,065 |
Nationwide states with similar utility inventory or customer scale
Cross-state peer sets for Mississippi (upper-third SAIDI band). Nearest-SAIDI neighbors stay in Read-with; these neighborhoods compare EIA Form 861 headcount and summed customer accounts.
Similar utility headcount
Nearest states by reporting utility count (21 here).
Similar customer scale
Nearest states by summed customer accounts (1.3M here), excluding the headcount peer set.
Read with this Mississippi roster · long-outage band
- Lowest published SAIDI in Mississippi: Alcorn County Elec Power Assn (3.6 min)
- Highest published SAIDI in Mississippi: Magnolia Electric Power Assn (2768.4 min)
- Ownership mix here: Cooperative leads (16 of 21 utilities) · national type means
- Nearest avg SAIDI: Arkansas (772.3 min)
- Nearest avg SAIDI: West Virginia (747.2 min)
- Nearest avg SAIDI: Vermont (744.4 min)
- Nearest avg SAIDI: Tennessee (866.4 min)
- Nearest avg SAIDI: Kentucky (867.6 min)
Source: U.S. Energy Information Administration (EIA) Form 861 Annual Electric Power Industry Report, reliability · 2020-2023 State averages are rebuilt from utility filings in this portal DB; corpus ranks use headcount and customer sums.