SAIDI
3 min per year
Average outage minutes (2023)
City of Independence - (IA) is a municipally-owned utility operating in Iowa under EIA identifier 9230. It reports service to approximately 3,196 customer accounts and generated about $0.01 billion in annual electric revenue, with a service footprint spanning 1 ZIP code. 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 City of Independence - (IA) customer experienced 3.0 minutes of power interruptions, the industry-standard SAIDI metric (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. The SAIFI figure, which tracks average outage events per customer, came in at 0.12 for the same period, meaning customers statistically saw about 0 distinct interruptions that year. Excluding major event days (hurricanes, ice storms), SAIDI drops to 3.0 minutes, the gap between that figure and the headline 3.0 reveals how much weather, not day-to-day infrastructure, drove outages.
The EIA dataset includes 4 years of continuous reporting (2020–2023) for City of Independence - (IA), which lets you see whether reliability is trending up or down rather than judging from a single snapshot. SAIDI dropped from 5.3 to 3.0 minutes across that span, a direction regulators and prospective customers tend to watch closely.
SAIDI
3 min per year
Average outage minutes (2023)
SAIFI
0.12 interruptions/yr
Outage frequency (2023)
Customers
3,196
Customers across Iowa
3 min/year per customer
Power-out minutes per year (2023)
| Year | SAIDI (min) | SAIDI nMED | SAIFI | Customers |
|---|---|---|---|---|
| 2020 | 5.3 | 5.3 | 0.166 | 3,169 |
| 2021 | 1.6 | 1.6 | 0.052 | 3,169 |
| 2022 | 10.1 | 10.1 | 0.166 | 3,183 |
| 2023 | 3.0 | 3.0 | 0.116 | 3,196 |
SAIDI nMED = SAIDI without major event days. Source: EIA Form 861.
City of Independence - (IA) serves 1 ZIP code in Iowa.
City of Independence - (IA) had a SAIDI of 3.0 minutes in 2023. Leaving aside major weather events, that figure comes in under the national average, pointing to above-average reliability.
City of Independence - (IA) is classified as a Municipal serving Iowa.
City of Independence - (IA) serves approximately 3,196 customers in Iowa.
City of Independence - (IA) 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.
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.