How reliable is the power in Utah?
Utah ranks 20th of 45 states without major events and 7th with them (1st = fewest minutes), 28 below the U.S. 129 and 552 below the U.S. 662. Major events added 8 minutes, 7% of the with-events total. The figure covers 1,153,346 customers, 87% of the 1,319,917 EIA lists for Utah.
Utah with and without major events
minutes without power per customer, 2024, Utah and U.S.
- 101Utah, no major events
- 129U.S., no major events
- 109Utah, with major events
- 662U.S., with major events
| Measure | Utah without | Utah with | U.S. without | U.S. with |
|---|---|---|---|---|
| SAIDI, minutes per customer | 101 | 109 | 129 | 662 |
| SAIFI, interruptions per customer | 0.96 | 1.00 | 1.06 | 1.53 |
| CAIDI, minutes per interruption | 106 | 109 | 122 | 433 |
| Median utility, SAIDI minutes | 35 | 41 | — | — |
Which Utah utilities move the number
PacifiCorp serves 89% of the customers in the Utah figure: 96% of lost customer-minutes with major events, 97% without. Without PacifiCorp, the weighted figure would be 36 minutes with major events and 33 without, against 109 and 101.
- PacifiCorp: 1,030,158 customers (89%), 109 min without and 118 with; 96% of lost minutes with major events, 97% without.
- Provo City Corp: 41,303 customers (4%), 35 min without and 35 with; 1% of lost minutes with major events, 1% without.
- Lehi City Corporation: 30,172 customers (3%), 42 min without and 42 with; 1% of lost minutes with major events, 1% without.
All Utah utilities in the 2024 file
49 utilities in the 2024 EIA-861 files for Utah: 9 follow IEEE 1366, 3 use another method, 37 filed no reliability figures. 12 are listed.
| City of Logan - (UT) | Municipal | IEEE 1366 | 21,774 | 21 | 39 | 0.25 | 0.27 | 46 | 1 of 5 | — |
|---|---|---|---|---|---|---|---|---|---|---|
| Dixie Escalante R E A, Inc | Cooperative | IEEE 1366 | 29,939 | 27 | 27 | 0.45 | 0.45 | 0 | 2 of 5 | — |
| Provo City Corp | Municipal | IEEE 1366 | 41,303 | 35 | 35 | 0.47 | 0.47 | 0 | 3 of 5 | — |
| Lehi City Corporation | Municipal | IEEE 1366 | 30,172 | 42 | 42 | 0.43 | 0.43 | 0 | 4 of 5 | — |
| PacifiCorp | Investor Owned | IEEE 1366 | 1,030,158 | 109 | 118 | 1.02 | 1.07 | 7 | 5 of 5 | — |
| City of St George | Municipal | IEEE 1366 | 33,533 | 19 | 30 | — | — | — | Not ranked | — |
| City of Murray - (UT) | Municipal | Other method | 20,638 | — | 96 | — | 1.60 | — | Not ranked | other method, not comparable |
| Moon Lake Electric Assn Inc | Cooperative | Other method | 18,285 | 190 | 190 | 1.65 | 1.65 | — | Not ranked | other method, not comparable |
| Garkane Energy Coop, Inc | Cooperative | IEEE 1366 | 15,911 | 592 | 719 | — | — | — | Not ranked | — |
| City of Springville - (UT) | Municipal | IEEE 1366 | 13,422 | — | 155 | — | 1.43 | — | Not ranked | — |
| Strawberry Electric Serv Dist | Political Subdivision | IEEE 1366 | 4,109 | 47 | 167 | — | — | — | Not ranked | under 10,000 customers |
| Navajo Tribal Utility Authority | State | Other method | 2,309 | 360 | 2,069 | 0.91 | 2.01 | — | Not ranked | other method, not comparable; under 10,000 customers |
Utah utilities with no reliability figures
37 in the sales file, no SAIDI or SAIFI row; the 25 largest are listed.
| Utility | Type | Customers |
|---|---|---|
| City of Bountiful | Municipal | 17,368 |
| Spanish Fork City Corporation | Municipal | 16,142 |
| Empire Electric Assn, Inc | Cooperative | 1,303 |
| Raft Rural Elec Coop Inc | Cooperative | 749 |
| Sunrun Inc. | Behind the Meter | 729 |
| Wells Rural Electric Co | Cooperative | 718 |
| Mt Wheeler Power, Inc | Cooperative | 409 |
| WAPA-- Western Area Power Administration | Federal | 6 |
| Tesla Inc. | Behind the Meter | 5 |
| Payson City Corporation | Municipal | — |
| Levan Town Corporation - (UT) | Municipal | — |
| Heber Light & Power Company | Municipal | — |
| City of Manti - (UT) | Municipal | — |
| Kaysville City Corporation | Municipal | — |
| Beaver City Corporation | Municipal | — |
| City of Enterprise - (UT) | Municipal | — |
| Parowan City Corporation | Municipal | — |
| City of Ephraim - (UT) | Municipal | — |
| City of Helper - (UT) | Municipal | — |
| City of Santa Clara - (UT) | Municipal | — |
| Morgan City - (UT) | Municipal | — |
| City of Washington - (UT) | Municipal | — |
| Price Municipal Corporation | Municipal | — |
| Nephi City Corporation | Municipal | — |
| Brigham City Corporation | Municipal | — |
The biggest Utah utilities against the U.S.
- PacifiCorp (investor owned, 80% of Utah customers in the file): SAIDI without major events 109 min, 20 below the U.S. 129; with major events 118 min against 662.
- Provo City Corp (municipal, 3% of Utah customers in the file): SAIDI without major events 35 min, 94 below the U.S. 129; with major events 35 min against 662.
- City of St George (municipal, 3% of Utah customers in the file): SAIDI without major events 19 min, 110 below the U.S. 129; with major events 30 min against 662.
- Lehi City Corporation (municipal, 2% of Utah customers in the file): SAIDI without major events 42 min, 87 below the U.S. 129; with major events 42 min against 662.
- Dixie Escalante R E A, Inc (cooperative, 2% of Utah customers in the file): SAIDI without major events 27 min, 102 below the U.S. 129; with major events 27 min against 662.
Utah by type of utility
Among Utah utilities that report under IEEE 1366, cooperative utilities average 27 minutes without major events and investor owned utilities 109.
| Type | Utilities | Customers | SAIDI without | Median utility | SAIDI with |
|---|---|---|---|---|---|
| Investor Owned | 1 | 1,030,158 | 109 | 109 | 118 |
| Municipal | 3 | 93,249 | 34 | 35 | 38 |
| Cooperative | 1 | 29,939 | 27 | 27 | 27 |
Next to Utah in the ranking
Utah report card
Smart meters: 96% of residential meters, 9 utilities (U.S. 92%). Utah time-based rates: 3 of 12 utilities, 0.2% of residential customers enrolled (U.S. 10.6%). Utah efficiency spend: $51.9 per customer (U.S. $124.2). Demand response: 241 W per customer (U.S. 77). Utah net-metered systems: 62.9 per 1,000 customers. Rankings.
Is your Utah utility better or worse than the Utah median?
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- Utah against all states
- Utah utilities among the best and worst
- Utah utility reliability and price by company
- Utah major outage reports from the Department of Energy
- Utah electricity prices
- Utah help with your bill
12 Utah filings in EIA-861 2024 (retrieved 2026-10-01), 5 ranked utilities. Method and sources.
Questions
How many minutes without power did the average Utah customer have in 2024?
101 minutes without major events and 109 with them (9 IEEE 1366 utilities, customer-weighted).
Why do the two Utah numbers differ so much?
Major events add 8 of the 109 minutes (7%); PacifiCorp supplies 96% of the with-events total.
Which Utah utility reported the fewest and the most minutes?
Among 5 utilities with 10,000+ customers: City of Logan - (UT) 21 minutes without major events, and PacifiCorp 109.
Which Utah utilities use which method?
9 follow IEEE 1366, 3 use another method, 37 filed no reliability figures.