Municipal Michigan

City of Marquette - (MI)

158min
SAIDI 2023
1.40
SAIFI 2023
17,128
Customers

What This Utility Data Tells You

City of Marquette - (MI) is a municipally-owned utility operating in Michigan under EIA identifier 11701. It reports service to approximately 17,128 customer accounts and generated about $0.04 billion in annual electric revenue, with a service footprint spanning 1 ZIP code. 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 Marquette - (MI) customer experienced 158.0 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 1.40 for the same period, so customers statistically faced roughly 1 distinct interruption that year. Excluding major event days (hurricanes, ice storms), SAIDI drops to 48.9 minutes — the gap between that figure and the headline 158.0 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 Marquette - (MI), which lets you see whether reliability is trending up or down rather than judging from a single snapshot. SAIDI has increased from 79.8 to 158.0 minutes, which may reflect either worsening weather exposure or delayed grid modernization. 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

158 min per year

Average outage minutes (2023)

SAIFI

1.40 interruptions/yr

Outage frequency (2023)

Customers

17,128

Served in Michigan

SAIDI vs. National Average (180 min) 39.5%

158 minutes per customer per year

City of Marquette - (MI) SAIDI

Minutes without power per year (2023)

158 SAIDI158 SAIDINat. avg 120120SAIDI158SAIDI

Average

Reliability Trend (2020–2023)

Year SAIDI (min) SAIDI nMED SAIFI Customers
2020 79.8 16.9 0.831 17,005
2021 41.9 13.4 0.520 17,068
2022 64.9 19.6 0.600 17,076
2023 158.0 48.9 1.401 17,174

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

Service Area

City of Marquette - (MI) serves 1 ZIP code in Michigan.

49855

Frequently Asked Questions

How reliable is City of Marquette - (MI)?

City of Marquette - (MI) had a SAIDI of 158.0 minutes in 2023, meaning the average customer experienced about 158 minutes of outages that year. This is near the national average.

What type of utility is City of Marquette - (MI)?

City of Marquette - (MI) is classified as a Municipal serving Michigan. Municipal utilities are owned and operated by local governments.

What does SAIDI mean for City of Marquette - (MI)?

SAIDI (System Average Interruption Duration Index) measures the average total minutes per year that a customer of City of Marquette - (MI) experiences power outages. A lower SAIDI indicates better reliability. The national average is roughly 120-180 minutes per year, so comparing City of Marquette - (MI)'s SAIDI to that benchmark shows whether this utility is above or below average.

How many customers does City of Marquette - (MI) serve?

City of Marquette - (MI) serves approximately 17,128 customers in Michigan. Customer count can affect reliability metrics because larger utilities may face different infrastructure challenges compared to smaller ones.

How has City of Marquette - (MI)'s reliability changed over time?

City of Marquette - (MI) 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
Michigan
Customers
17,128
Annual Revenue
$0.04B
EIA ID
11701
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.