Alaska power outages by utility
5 Alaska utilities report outage minutes to EIA. The state median is 225 minutes a year; the range runs from 125 to 258.
Ranking by outage minutes
Alaska, SAIDI without major event days, 2024; lower is better; 5 utilities.
| Rank | Alaska utility | Owner type | Alaska home accounts | SAIDI min | Interruptions (SAIFI) | SAIDI with storms | Alaska storm share | Price ¢/kWh |
|---|---|---|---|---|---|---|---|---|
| 1 | Chugach Electric Assn Inc | Cooperative | 97,048 | 125 | 1.42 | 209 | 40% | 21.24 |
| 2 | Alaska Electric Light & Power Co. | Investor Owned | 15,407 | 156 | 2.93 | 156 | 0% | 12.93 |
| 3 | Golden Valley Elec Assn Inc | Cooperative | 40,675 | 225 | 1.96 | 553 | 59% | 30.32 |
| 4 | Homer Electric Assn Inc | Cooperative | 29,721 | 257 | 1.65 | 607 | 58% | 29.79 |
| 5 | Matanuska Electric Assn Inc | Cooperative | 64,205 | 258 | 2.35 | 258 | 0% | 23.37 |
Alaska outage minutes by owner type
In Alaska, 83% of 298,397 home accounts sit with the 5 qualifying utilities out of 11 in the file. Alaska customer-weighted SAIDI is 194 minutes against a median of 225, and 5 of 5 Alaska utilities exceed the U.S. median of 99. Counting major event days adds a median 40% to SAIDI.
| Alaska owner type | Alaska utilities | Alaska home accounts | Alaska median SAIDI | Alaska weighted SAIDI | Alaska median SAIFI | Alaska storm share | Alaska median price ¢/kWh |
|---|---|---|---|---|---|---|---|
| Cooperative | 4 | 231,649 | 241 | 196 | 1.80 | 49% | 26.58 |
| Investor Owned | 1 | 15,407 | 156 | 156 | 2.93 | 0% | 12.93 |
By owner type, Investor Owned utilities have the lowest median SAIDI in Alaska (156 minutes, 1 of 5) and Cooperative the highest (241 minutes, 4 of 5).
Alaska utilities that stand out
| Why it stands out | Alaska utility | Alaska owner type | Alaska accounts | Alaska SAIDI min | Alaska SAIDI rank | Alaska SAIFI | Alaska SAIDI with storms | Alaska price ¢/kWh | Alaska price rank |
|---|---|---|---|---|---|---|---|---|---|
| the most reliable | Chugach Electric Assn Inc | Cooperative | 97,048 | 125 | 1 of 5 | 1.42 | 209 | 21.24 | 2 of 5 |
| the least reliable | Matanuska Electric Assn Inc | Cooperative | 64,205 | 258 | 5 of 5 | 2.35 | 258 | 23.37 | 3 of 5 |
| the most storm-driven | Golden Valley Elec Assn Inc | Cooperative | 40,675 | 225 | 3 of 5 | 1.96 | 553 | 30.32 | 5 of 5 |
| the most improved | Homer Electric Assn Inc | Cooperative | 29,721 | 257 | 4 of 5 | 1.65 | 607 | 29.79 | 4 of 5 |
| the one that slipped most | Alaska Electric Light & Power Co. | Investor Owned | 15,407 | 156 | 2 of 5 | 2.93 | 156 | 12.93 | 1 of 5 |
Does a higher price buy fewer outages?
Each dot is one of 5 Alaska utilities.
Alaska, 2024: 5 rows
| Home price, cents per kWh | SAIDI, minutes a year | |
|---|---|---|
| Chugach Electric Assn Inc | 21.24 | 125 |
| Alaska Electric Light & Power Co. | 12.93 | 156 |
| Golden Valley Elec Assn Inc | 30.32 | 225 |
| Homer Electric Assn Inc | 29.79 | 257 |
| Matanuska Electric Assn Inc | 23.37 | 258 |
5 rows from EIA-861 survey.
CSVAlaska utilities, change in their own SAIDI
First to last year each utility reported, best change first.
| Rank | Alaska utility | Alaska years | Alaska SAIDI first | Alaska SAIDI last | Alaska change |
|---|---|---|---|---|---|
| 1 | Homer Electric Assn Inc | 2015 to 2025 | 210 | 239 | +14% |
| 2 | Golden Valley Elec Assn Inc | 2015 to 2025 | 151 | 212 | +40% |
| 3 | Matanuska Electric Assn Inc | 2015 to 2025 | 177 | 390 | +121% |
| 4 | Alaska Electric Light & Power Co. | 2017 to 2025 | 94 | 369 | +292% |
Analyst note
The spread stands out in Alaska: 2.1 to 1 between the worst and best utility, rank 40 of 40 states. Of 5 Alaska utilities with 1,000+ home accounts that report SAIDI, Chugach Electric Assn Inc is lowest at 125 minutes a year and Matanuska Electric Assn Inc highest at 258, a 2.1 to 1 spread. The state median is 225 minutes, +126% against the U.S. median reporter. Over each utility's own record, Homer Electric Assn Inc improved most (210 to 239 minutes, +14%, 2015 to 2025) and Alaska Electric Light & Power Co. changed the other way (94 to 369, +292%); 0 of 4 fell. Storms weigh most at Golden Valley Elec Assn Inc: 59% of its all-event SAIDI (553 minutes) comes from major event days, against 225 without them.
Questions on Alaska outages
How uneven is reliability across Alaska utilities?
2.1 to 1, Matanuska Electric Assn Inc against Chugach Electric Assn Inc; rank 40 of 40 states.
Which Alaska utility has the fewest outage minutes?
Chugach Electric Assn Inc: 125 minutes a year, SAIDI without major events, 2024.
Which Alaska utility has the most?
Matanuska Electric Assn Inc: 258 minutes a year in 2024.
What is the typical SAIDI in Alaska?
The median of 5 reporting utilities is 225 minutes, +126% on the U.S. median reporter.
Do cheaper Alaska utilities have more outages?
Too few utilities for a meaningful correlation.
How much of Alaska outage time comes from storms?
At Golden Valley Elec Assn Inc 59% of all-event SAIDI is major event days.
How reliable is the largest Alaska utility?
Chugach Electric Assn Inc serves 97,048 home accounts and reports 125 minutes, rank 1 of 5; weighted by customers the state figure is 194.
Do Alaska co-ops and investor-owned utilities differ?
2 owner types report in Alaska: Cooperative 4 utilities with 231,649 home accounts, Investor Owned 1 utility with 15,407 home accounts.
What share of Alaska home accounts do these utilities serve?
83% of 298,397 accounts, 5 of 11 utilities; 5 are above the U.S. median of 99 minutes.
More on Alaska
- Alaska state hubprices, map, utilities