How reliable is the power in Alaska?
Alaska ranks 39th of 45 states without major events and 25th with them (1st = fewest minutes), 63 above the U.S. 129 and 338 below the U.S. 662. Major events added 131 minutes, 40% of the with-events total. The figure covers 283,571 customers, 88% of the 320,466 EIA lists for Alaska.
Alaska with and without major events
minutes without power per customer, 2024, Alaska and U.S.
- 192Alaska, no major events
- 129U.S., no major events
- 323Alaska, with major events
- 662U.S., with major events
| Measure | Alaska without | Alaska with | U.S. without | U.S. with |
|---|---|---|---|---|
| SAIDI, minutes per customer | 192 | 323 | 129 | 662 |
| SAIFI, interruptions per customer | 1.86 | 2.32 | 1.06 | 1.53 |
| CAIDI, minutes per interruption | 103 | 139 | 122 | 433 |
| Median utility, SAIDI minutes | 225 | 258 | — | — |
Which Alaska utilities move the number
Golden Valley Elec Assn Inc serves 17% of the customers in the Alaska figure: 29% of lost customer-minutes with major events, 20% without. Without Golden Valley Elec Assn Inc, the weighted figure would be 276 minutes with major events and 186 without, against 323 and 192.
- Golden Valley Elec Assn Inc: 48,162 customers (17%), 225 min without and 553 with; 29% of lost minutes with major events, 20% without.
- Chugach Electric Assn Inc: 113,704 customers (40%), 125 min without and 209 with; 26% of lost minutes with major events, 26% without.
- Homer Electric Assn Inc: 33,405 customers (12%), 257 min without and 607 with; 22% of lost minutes with major events, 16% without.
All Alaska utilities in the 2024 file
22 utilities in the 2024 EIA-861 files for Alaska: 5 follow IEEE 1366, 2 use another method, 15 filed no reliability figures. 7 are listed.
| Chugach Electric Assn Inc | Cooperative | IEEE 1366 | 113,704 | 125 | 209 | 1.42 | 1.99 | 40 | 1 of 5 | — |
|---|---|---|---|---|---|---|---|---|---|---|
| Alaska Electric Light & Power Co. | Investor Owned | IEEE 1366 | 17,719 | 156 | 156 | 2.93 | 2.93 | 0 | 2 of 5 | — |
| Golden Valley Elec Assn Inc | Cooperative | IEEE 1366 | 48,162 | 225 | 553 | 1.96 | 2.63 | 59 | 3 of 5 | — |
| Homer Electric Assn Inc | Cooperative | IEEE 1366 | 33,405 | 257 | 607 | 1.65 | 2.63 | 58 | 4 of 5 | — |
| Matanuska Electric Assn Inc | Cooperative | IEEE 1366 | 70,581 | 258 | 258 | 2.35 | 2.35 | 0 | 5 of 5 | — |
| Alaska Power and Telephone Co | Investor Owned | Other method | 8,760 | — | 366 | — | 9.04 | — | Not ranked | other method, not comparable; under 10,000 customers |
| Ketchikan Public Utilities | Municipal | Other method | 7,964 | — | 425 | — | 5.10 | — | Not ranked | other method, not comparable; under 10,000 customers |
Alaska utilities with no reliability figures
15 in the sales file, no SAIDI or SAIFI row.
| Utility | Type | Customers |
|---|---|---|
| Alaska Village Elec Coop, Inc | Cooperative | 11,518 |
| Kodiak Electric Assn Inc | Cooperative | 6,255 |
| Kotzebue Electric Assn Inc | Cooperative | 1,354 |
| TDX North Slope Generating Co | Investor Owned | 162 |
| City of Wrangell - (AK) | Municipal | — |
| Nushagak Electric Coop, Inc | Cooperative | — |
| Inside Passage Elec Coop, Inc | Cooperative | — |
| City of Unalaska - (AK) | Municipal | — |
| Cordova Electric Coop, Inc | Cooperative | — |
| City of Seward - (AK) | Municipal | — |
| North Slope Borough Power & Light | Municipal | — |
| Nome Joint Utility Systems | Municipal | — |
| Petersburg Borough - (AK) | Municipal | — |
| Copper Valley Elec Assn, Inc | Cooperative | — |
| Akiachak Native Community Electric | Cooperative | — |
The biggest Alaska utilities against the U.S.
- Chugach Electric Assn Inc (cooperative, 35% of Alaska customers in the file): SAIDI without major events 125 min, 5 below the U.S. 129; with major events 209 min against 662.
- Matanuska Electric Assn Inc (cooperative, 22% of Alaska customers in the file): SAIDI without major events 258 min, 129 above the U.S. 129; with major events 258 min against 662.
- Golden Valley Elec Assn Inc (cooperative, 15% of Alaska customers in the file): SAIDI without major events 225 min, 95 above the U.S. 129; with major events 553 min against 662.
- Homer Electric Assn Inc (cooperative, 11% of Alaska customers in the file): SAIDI without major events 257 min, 128 above the U.S. 129; with major events 607 min against 662.
- Alaska Electric Light & Power Co. (investor owned, 6% of Alaska customers in the file): SAIDI without major events 156 min, 27 above the U.S. 129; with major events 156 min against 662.
Alaska by type of utility
Among Alaska utilities that report under IEEE 1366, investor owned utilities average 156 minutes without major events and cooperative utilities 195.
| Type | Utilities | Customers | SAIDI without | Median utility | SAIDI with |
|---|---|---|---|---|---|
| Cooperative | 4 | 265,852 | 195 | 241 | 334 |
| Investor Owned | 1 | 17,719 | 156 | 156 | 156 |
Next to Alaska in the ranking
Alaska report card
Smart meters: 88% of residential meters, 4 utilities (U.S. 92%). Alaska time-based rates: 2 of 5 utilities, 0.0% of residential customers enrolled (U.S. 10.6%). Alaska efficiency spend: $0.0 per customer (U.S. $124.2). Demand response: 0 W per customer (U.S. 77). Alaska net-metered systems: 9.4 per 1,000 customers. Rankings.
Is your Alaska utility better or worse than the Alaska median?
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7 Alaska filings in EIA-861 2024 (retrieved 2026-10-01), 5 ranked utilities. Method and sources.
Questions
How many minutes without power did the average Alaska customer have in 2024?
192 minutes without major events and 323 with them (5 IEEE 1366 utilities, customer-weighted).
Why do the two Alaska numbers differ so much?
Major events add 131 of the 323 minutes (40%); Golden Valley Elec Assn Inc supplies 29% of the with-events total.
Which Alaska utility reported the fewest and the most minutes?
Among 5 utilities with 10,000+ customers: Chugach Electric Assn Inc 125 minutes without major events, and Matanuska Electric Assn Inc 258.
Which Alaska utilities use which method?
5 follow IEEE 1366, 2 use another method, 15 filed no reliability figures.