Municipal · Alaska · EIA 10210
Ketchikan Public Utilities
Municipal · Alaska · 7,949 customers. According to the U.S. Energy Information Administration's EIA Form 861, reliability for 2023 shows SAIDI 186 minutes/customer.
Reliability verdict
Ketchikan Public Utilities shows near-benchmark chronic reliability in 2023: 186 minutes SAIDI across 7,949 customers.
- 186 min
- SAIDI 2023
- 3.20
- SAIFI 2023
- 7,949
- Customers
Chronic reliability judged on SAIDI excluding major event days when reported (IEEE 1366). Source: EIA Form 861 · August 2026.
Signature read: mid-cohort SAIDI between the 96 and 258 minute tercile cuts.
What mid-pack Ketchikan Public Utilities filings show
Ketchikan Public Utilities is a municipally-owned utility operating in Alaska under EIA identifier 10210. It reports service to approximately 7,949 customer accounts and generated about $0.02 billion in annual electric revenue, with a service footprint spanning 2 ZIP codes. Being municipally owned, the utility answers to a local board or city council rather than a state commission, and carries a federal income tax exemption.
In 2023, the average Ketchikan Public Utilities customer experienced 185.5 minutes of power interruptions, the industry-standard SAIDI metric (System Average Interruption Duration Index). That sits within the 120–180 minute national benchmark range, indicating performance typical of U.S. distribution utilities. The SAIFI figure, which tracks average outage events per customer, came in at 3.20 for the same period, meaning customers statistically saw about 3 distinct interruptions that year.
The EIA dataset includes 4 years of continuous reporting (2020–2023) for Ketchikan Public Utilities, which lets you see whether reliability is trending up or down rather than judging from a single snapshot. SAIDI dropped from 566.5 to 185.5 minutes across that span, a direction regulators and prospective customers tend to watch closely.
Based on this utility's own EIA Form 861 reliability record -- baseline (major-event- excluded) outage duration, total outage duration, and outage frequency -- each benchmarked against every reporting utility nationwide. Not a measure of electricity rates or customer service, which this portal does not track.
186 outage minutes per customer annually
Annual minutes without electric service (2023)
SAIDI by year (2020-2023)
Minutes per customer-year · EIA Form 861
Year-by-year SAIDI for Ketchikan Public Utilities from the same EIA filings as the table below. Lower is better; major-event years can spike the headline figure.
Ketchikan Public Utilities SAIDI trend
Ketchikan Public Utilities vs the nationwide SAIDI distribution
Where this utility's headline SAIDI sits among every EIA Form 861 utility with a reported figure
186 Around the middle fewer outage minutes than 45% of 911 utilities
Utilities nationwide, banded by latest reported SAIDI (minutes)
Each bar is a band; taller bars hold more utilities. 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 U.S. EIA Form 861 reliability filings · August 2026
Reliability Trend (2020–2023)
| Year | SAIDI (min) | SAIFI |
|---|---|---|
| 2020 | 566.5 | 5.300 |
| 2021 | 361.3 | 5.600 |
| 2022 | 202.6 | 3.800 |
| 2023 | 185.5 | 3.200 |
Service Area
Ketchikan Public Utilities serves 2 ZIP codes in Alaska.
Frequently Asked Questions
How reliable is Ketchikan Public Utilities?
Ketchikan Public Utilities had a SAIDI of 185.5 minutes in 2023. Excluding major weather events, this is near the national average.
What type of utility is Ketchikan Public Utilities?
Ketchikan Public Utilities is classified as a Municipal serving Alaska.
How many customers does Ketchikan Public Utilities serve?
Ketchikan Public Utilities serves approximately 7,949 customers in Alaska.
How has Ketchikan Public Utilities's reliability changed over time?
Ketchikan Public Utilities has 4 years of reliability data (2020-2023). SAIDI has held roughly steady across these years. Review the trend table above for year-by-year detail.
Utility Profile
- Type
- Municipal
- State
- Alaska
- Customers
- 7,949
- Annual Revenue
- $0.02B
- EIA ID
- 10210
Explore
Source: U.S. Energy Information Administration Form 861 annual electric power industry survey · ZIP service territory: OpenEI. Disclaimer: informational only, not professional advice. See full disclaimer · methodology.