State · EIA Form 861 · IA
Iowa
According to the U.S. Energy Information Administration's EIA Form 861, SAIDI and SAIFI for Iowa utilities come from the federal annual survey. 19 utilities report reliability metrics; figures are customer-weighted state averages, not a guarantee for any single address.
Signature read: short chronic outage minutes relative to the 51-state Form 861 cohort (<=156 min tercile cut).
EIA Form 861 · Continuity Brief
Iowa
EIA Form 861 Continuity Brief · August 2026 · IEEE 1366 SAIDI/SAIFI minutes, not a storm forecast.
Iowa sits in the lower-third SAIDI band at 105.2 minutes across 19 reporting utilities (City of Independence - (IA) lowest at 3.0), under the live national mean of 341.
Named SAIDI peers (in-state best + nearest-state averages)
State SAIDI neighbourhood (minutes / customer-year)
- Iowa 105.2
- Rhode Island 104.6
- Arizona 106.9
- Delaware 108.2
- New Jersey 108.3
- Colorado 99.4
Lower is fewer interruption minutes. Neighbours are nearest other-state averages in this corpus.
Iowa 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)
19 Top 41% more reporting utilities than 59% 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 · Iowa short-outage cohort
All 19 electric utilities in Iowa with reliability data, sorted by 2023 SAIDI; statewide average sits in the lower-third Form 861 band.
Lowest-SAIDI utilities in Iowa
Fewest outage minutes · live table sort
Top 10 Iowa utilities by fewest outage minutes. Lower SAIDI is better - not a quality score beyond interruption duration.
Lowest-SAIDI utilities in Iowa
| # | Utility | Type | SAIDI 2023 | SAIFI 2023 | Customers |
|---|---|---|---|---|---|
| 1 | City of Independence - (IA) | Municipal | 3.0 | 0.12 | 3,196 |
| 2 | Cedar Falls Utilities | Municipal | 4.2 | 0.94 | 20,017 |
| 3 | City of Ames - (IA) | Municipal | 33.2 | 0.40 | 27,940 |
| 4 | MiEnergy Cooperative | Cooperative | 42.5 | 0.49 | 16,230 |
| 5 | Board of Water Electric & Communications | Municipal | 42.6 | 0.65 | 11,695 |
| 6 | East-Central Iowa Rural Elec Coop | Cooperative | 51.6 | 0.65 | 9,196 |
| 7 | Iowa Lakes Electric Coop | Cooperative | 51.7 | 0.51 | 13,138 |
| 8 | Heartland Power Coop | Cooperative | 54.9 | 0.65 | 5,301 |
| 9 | North West Rural Electric Coop | Cooperative | 57.1 | 0.61 | 10,300 |
| 10 | Butler County Rural Elec Coop - (IA) | Cooperative | 71.3 | 0.68 | 5,095 |
| 11 | Prairie Energy Coop | Cooperative | 74.2 | 0.51 | 4,325 |
| 12 | MidAmerican Energy Co | IOU | 80.0 | 0.83 | 729,757 |
| 13 | Midland Power Coop | Cooperative | 80.7 | 1.03 | 12,416 |
| 14 | Access Energy Coop | Cooperative | 88.0 | 0.84 | 9,043 |
| 15 | Consumers Energy Coop - (IA) | Cooperative | 115.4 | 0.92 | 7,408 |
| 16 | Linn County REC | Cooperative | 126.0 | 1.82 | 33,783 |
| 17 | Interstate Power and Light Co | IOU | 149.4 | 1.00 | 501,812 |
| 18 | Eastern Iowa Light & Power Coop | Cooperative | 184.0 | 1.23 | 24,008 |
| 19 | Maquoketa Valley Rrl Elec Coop | Cooperative | 211.4 | 1.36 | 16,948 |
Nationwide states with similar utility inventory or customer scale
Cross-state peer sets for Iowa (lower-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 (19 here).
Similar customer scale
Nearest states by summed customer accounts (1.5M here), excluding the headcount peer set.
Read with this Iowa roster · short-outage band
- Lowest published SAIDI in Iowa: City of Independence - (IA) (3.0 min)
- Highest published SAIDI in Iowa: Maquoketa Valley Rrl Elec Coop (211.4 min)
- Ownership mix here: Cooperative leads (13 of 19 utilities) · national type means
- Nearest avg SAIDI: Rhode Island (104.6 min)
- Nearest avg SAIDI: Arizona (106.9 min)
- Nearest avg SAIDI: Delaware (108.2 min)
- Nearest avg SAIDI: New Jersey (108.3 min)
- Nearest avg SAIDI: Colorado (99.4 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.