SAIDI
N/A per year
Average outage minutes (2023)
What This Utility Data Tells You
City of Gillette - (WY) is a municipally-owned utility operating in Wyoming under EIA identifier 7222. It reports service to approximately 16,646 customer accounts and generated about $0.04 billion in annual electric revenue, with a service footprint spanning 2 ZIP codes. As a municipal utility, it is typically governed by a local board or city council and is exempt from federal income tax.
Reliability metrics (SAIDI/SAIFI) are not reported for this utility in the latest EIA cycle, which is common for smaller cooperatives and municipals that fall below the federal reporting threshold.
The EIA dataset includes 4 years of continuous reporting (2020–2023) for City of Gillette - (WY), which lets you see whether reliability is trending up or down rather than judging from a single snapshot. 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.
SAIFI
N/A interruptions/yr
Outage frequency (2023)
Customers
16,646
Served in Wyoming
SAIDI vs. National Average (180 min) 0.0%
No SAIDI data
Minutes without power per year (2023)
Reliability Trend (2020–2023)
| Year | SAIDI (min) | SAIDI nMED | SAIFI | Customers |
|---|---|---|---|---|
| 2020 | — | 6.6 | — | — |
| 2021 | — | 1.6 | — | — |
| 2022 | — | 4.7 | — | — |
| 2023 | — | 3.4 | — | — |
SAIDI nMED = SAIDI without major event days. Source: EIA Form 861.
Service Area
City of Gillette - (WY) serves 2 ZIP codes in Wyoming.
8271682717
Frequently Asked Questions
How reliable is City of Gillette - (WY)?
City of Gillette - (WY) serves customers in Wyoming.
What type of utility is City of Gillette - (WY)?
City of Gillette - (WY) is classified as a Municipal serving Wyoming. Municipal utilities are owned and operated by local governments.
What does SAIDI mean for City of Gillette - (WY)?
SAIDI (System Average Interruption Duration Index) measures the average total minutes per year that a customer of City of Gillette - (WY) experiences power outages. A lower SAIDI indicates better reliability. The national average is roughly 120-180 minutes per year, so comparing City of Gillette - (WY)'s SAIDI to that benchmark shows whether this utility is above or below average.
How many customers does City of Gillette - (WY) serve?
City of Gillette - (WY) serves approximately 16,646 customers in Wyoming. Customer count can affect reliability metrics because larger utilities may face different infrastructure challenges compared to smaller ones.
How has City of Gillette - (WY)'s reliability changed over time?
City of Gillette - (WY) has 4 years of reliability data (2020-2023). 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
- Wyoming
- Customers
- 16,646
- Annual Revenue
- $0.04B
- EIA ID
- 7222
Related Data
Guides
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.
Read our methodology — how this data is sourced, computed, and verified.