SAIDI
12 min per year
Average outage minutes (2023)
City of Grand Island - (NE) is a municipally-owned utility operating in Nebraska under EIA identifier 40606. It reports service to approximately 26,744 customer accounts and generated about $0.07 billion in annual electric revenue, with a service footprint spanning 3 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 City of Grand Island - (NE) customer experienced 11.9 minutes of power interruptions — a metric called SAIDI (System Average Interruption Duration Index). That places this utility well below the 120–180 minute national benchmark, signaling strong grid hardening and fast restoration practices. SAIFI — the average number of outage events per customer — was 0.43 for the same period, so customers statistically faced roughly 0 distinct interruptions that year. Excluding major event days (hurricanes, ice storms), SAIDI drops to 9.4 minutes — the gap between that figure and the headline 11.9 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 Grand Island - (NE), which lets you see whether reliability is trending up or down rather than judging from a single snapshot. SAIDI has improved from 27.1 to 11.9 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
12 min per year
Average outage minutes (2023)
SAIFI
0.43 interruptions/yr
Outage frequency (2023)
Customers
26,744
Served in Nebraska
12 minutes per customer per year
Minutes without power per year (2023)
| Year | SAIDI (min) | SAIDI nMED | SAIFI | Customers |
|---|---|---|---|---|
| 2020 | 27.1 | 12.4 | 1.131 | 26,381 |
| 2021 | 21.5 | 8.5 | 0.583 | 26,420 |
| 2022 | 8.0 | 8.0 | 0.229 | 26,670 |
| 2023 | 11.9 | 9.4 | 0.426 | 26,744 |
SAIDI nMED = SAIDI without major event days. Source: EIA Form 861.
City of Grand Island - (NE) serves 3 ZIP codes in Nebraska.
City of Grand Island - (NE) had a SAIDI of 11.9 minutes in 2023, meaning the average customer experienced about 12 minutes of outages that year. This is below the national average, indicating above-average reliability.
City of Grand Island - (NE) is classified as a Municipal serving Nebraska. Municipal utilities are owned and operated by local governments.
SAIDI (System Average Interruption Duration Index) measures the average total minutes per year that a customer of City of Grand Island - (NE) experiences power outages. A lower SAIDI indicates better reliability. The national average is roughly 120-180 minutes per year, so comparing City of Grand Island - (NE)'s SAIDI to that benchmark shows whether this utility is above or below average.
City of Grand Island - (NE) serves approximately 26,744 customers in Nebraska. Customer count can affect reliability metrics because larger utilities may face different infrastructure challenges compared to smaller ones.
City of Grand Island - (NE) 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.
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.
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.
Read our methodology — how this data is sourced, computed, and verified.