Municipal Washington

PUD No 1 of Snohomish County

120min
SAIDI 2023
1.18
SAIFI 2023
377,261
Customers

What This Utility Data Tells You

PUD No 1 of Snohomish County is a municipally-owned utility operating in Washington under EIA identifier 17470. It reports service to approximately 377,261 customer accounts and generated about $0.67 billion in annual electric revenue, with a service footprint spanning 48 ZIP codes. As a municipal utility, it is typically governed by a local board or city council and is exempt from federal income tax.

In 2023, the average PUD No 1 of Snohomish County customer experienced 120.2 minutes of power interruptions — a metric called SAIDI (System Average Interruption Duration Index). That sits within the 120–180 minute national benchmark range, indicating performance typical of U.S. distribution utilities. SAIFI — the average number of outage events per customer — was 1.18 for the same period, so customers statistically faced roughly 1 distinct interruption that year. Excluding major event days (hurricanes, ice storms), SAIDI drops to 111.9 minutes — the gap between that figure and the headline 120.2 reveals how much weather, not day-to-day infrastructure, drove outages.

The EIA dataset includes 4 years of continuous reporting (2020–2023) for PUD No 1 of Snohomish County, which lets you see whether reliability is trending up or down rather than judging from a single snapshot. SAIDI has improved from 255.5 to 120.2 minutes over that window — a meaningful direction for prospective customers and regulators watching capital investment outcomes. All figures on this page come directly from EIA Form 861, the federal annual electric power industry survey, with service territory ZIPs sourced from OpenEI — you can cross-reference them with your own utility bill or use them when comparing providers before relocating.

SAIDI

120 min per year

Average outage minutes (2023)

SAIFI

1.18 interruptions/yr

Outage frequency (2023)

Customers

377,261

Served in Washington

SAIDI vs. National Average (180 min) 30.0%

120 minutes per customer per year

PUD No 1 of Snohomish County SAIDI

Minutes without power per year (2023)

120 SAIDI120 SAIDINat. avg 120120SAIDI120SAIDI

Average

Reliability Trend (2020–2023)

Year SAIDI (min) SAIDI nMED SAIFI Customers
2020 255.5 131.8 1.690 368,222
2021 642.9 137.9 2.240 373,559
2022 1004.1 137.7 2.320 378,339
2023 120.2 111.9 1.180 382,404

SAIDI nMED = SAIDI without major event days. Source: EIA Form 861.

Service Area

PUD No 1 of Snohomish County serves 48 ZIP codes in Washington.

980119801298019980209802198026980289803698037980439807298077980879813398155981779820198203982049820798208982239822498237982419825198252982569825898259982679827098271982729827398274982759828298283982879828898290982929829398294982969882698852

Frequently Asked Questions

How reliable is PUD No 1 of Snohomish County?

PUD No 1 of Snohomish County had a SAIDI of 120.2 minutes in 2023, meaning the average customer experienced about 120 minutes of outages that year. This is near the national average.

What type of utility is PUD No 1 of Snohomish County?

PUD No 1 of Snohomish County is classified as a Municipal serving Washington. Municipal utilities are owned and operated by local governments.

What does SAIDI mean for PUD No 1 of Snohomish County?

SAIDI (System Average Interruption Duration Index) measures the average total minutes per year that a customer of PUD No 1 of Snohomish County experiences power outages. A lower SAIDI indicates better reliability. The national average is roughly 120-180 minutes per year, so comparing PUD No 1 of Snohomish County's SAIDI to that benchmark shows whether this utility is above or below average.

How many customers does PUD No 1 of Snohomish County serve?

PUD No 1 of Snohomish County serves approximately 377,261 customers in Washington. Customer count can affect reliability metrics because larger utilities may face different infrastructure challenges compared to smaller ones.

How has PUD No 1 of Snohomish County's reliability changed over time?

PUD No 1 of Snohomish County has 4 years of reliability data (2020-2023). SAIDI has remained relatively stable over this period. Review the trend table above for year-by-year detail.

What is SAIDI without major event days?

SAIDI "without major event days" (SAIDI nMED) excludes outages caused by hurricanes, ice storms, and other catastrophic weather events. It better reflects day-to-day infrastructure reliability rather than vulnerability to extreme weather. Both standard SAIDI and SAIDI nMED are shown in the reliability trend table above.

Utility Profile

Type
Municipal
State
Washington
Customers
377,261
Annual Revenue
$0.67B
EIA ID
17470
Data Source: U.S. Energy Information Administration Form 861 annual electric power industry survey. ZIP service territory from OpenEI.

Related

Data sourced from official EIA reliability statistics and OpenEI utility rate database. See our methodology for details. Retrieved and formatted by PlainUtility Editorial

Disclaimer: This information is provided for informational purposes only and does not constitute professional advice. Data is sourced from the U.S. Energy Information Administration (EIA) Form 861. Consult a qualified professional before making decisions based on this data.