SAIDI
76 min per year
Yearly outage minutes, on average (2023)
PUD No 1 of Chelan County is a municipally-owned utility operating in Washington under EIA identifier 3413. It reports service to approximately 49,579 customer accounts and generated about $0.07 billion in annual electric revenue, with a service footprint spanning 28 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 PUD No 1 of Chelan County customer experienced 76.4 minutes of power interruptions, a metric called SAIDI (System Average Interruption Duration Index). That is comfortably under the 120–180 minute national benchmark range, a sign of solid grid resilience and quick outage response. Over the same period, SAIFI (outage events per customer) was 0.58, putting the typical customer at roughly 1 distinct interruption that year.
The EIA dataset includes 4 years of continuous reporting (2020–2023) for PUD No 1 of Chelan County, which lets you see whether reliability is trending up or down rather than judging from a single snapshot. Over that span, SAIDI rose from 55.5 to 76.4 minutes, possibly reflecting tougher weather years or grid upgrades that have not caught up yet.
SAIDI
76 min per year
Yearly outage minutes, on average (2023)
SAIFI
0.58 interruptions/yr
Average interruption count (2023)
Customers
49,579
Washington service territory
76 outage minutes per customer annually
Minutes without power per year (2023)
| Year | SAIDI (min) | SAIDI nMED | SAIFI | Customers |
|---|---|---|---|---|
| 2020 | 55.5 | - | 0.306 | - |
| 2021 | 63.7 | - | 0.480 | - |
| 2022 | 50.0 | - | 0.468 | - |
| 2023 | 76.4 | - | 0.585 | - |
SAIDI nMED = SAIDI without major event days. Source: EIA Form 861.
PUD No 1 of Chelan County serves 28 ZIP codes in Washington.
PUD No 1 of Chelan County had a SAIDI of 76.4 minutes in 2023. Excluding major weather events, this is below the national average, indicating above-average reliability.
PUD No 1 of Chelan County is classified as a Municipal serving Washington.
PUD No 1 of Chelan County serves approximately 49,579 customers in Washington.
PUD No 1 of Chelan County has 4 years of reliability data (2020-2023). This utility's SAIDI has stayed fairly flat over the period. Review the trend table above for year-by-year detail.
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.
Every figure on PlainUtility is rendered directly from the U.S. Energy Information Administration's Form 861 reliability data, no number is typed in by an editor. This utility's SAIDI/SAIFI figures are rendered directly from EIA Form 861 reliability files. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of 2020-2023.