Municipal Massachusetts

City of Holyoke - (MA)

105min
SAIDI 2023
1.21
SAIFI 2023
17,012
Customers

What This Utility Data Tells You

City of Holyoke - (MA) is a municipally-owned utility operating in Massachusetts under EIA identifier 8774. It reports service to approximately 17,012 customer accounts and generated about $0.05 billion in annual electric revenue, with a service footprint spanning 10 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 Holyoke - (MA) customer experienced 105.4 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 1.21 for the same period, so customers statistically faced roughly 1 distinct interruption that year. Excluding major event days (hurricanes, ice storms), SAIDI drops to 105.4 minutes — the gap between that figure and the headline 105.4 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 Holyoke - (MA), which lets you see whether reliability is trending up or down rather than judging from a single snapshot. SAIDI has improved from 144.8 to 105.4 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

105 min per year

Average outage minutes (2023)

SAIFI

1.21 interruptions/yr

Outage frequency (2023)

Customers

17,012

Served in Massachusetts

SAIDI vs. National Average (180 min) 26.4%

105 minutes per customer per year

City of Holyoke - (MA) SAIDI

Minutes without power per year (2023)

105 SAIDI105 SAIDINat. avg 120120SAIDI105SAIDI

Good

Reliability Trend (2020–2023)

Year SAIDI (min) SAIDI nMED SAIFI Customers
2020 144.8 57.1 1.605 17,752
2021 116.8 82.4 1.345 17,848
2022 173.2 133.2 1.560 17,479
2023 105.4 105.4 1.212 17,520

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

Service Area

City of Holyoke - (MA) serves 10 ZIP codes in Massachusetts.

01013010200102701040010410106201073010750108501089

Frequently Asked Questions

How reliable is City of Holyoke - (MA)?

City of Holyoke - (MA) had a SAIDI of 105.4 minutes in 2023, meaning the average customer experienced about 105 minutes of outages that year. This is near the national average.

What type of utility is City of Holyoke - (MA)?

City of Holyoke - (MA) is classified as a Municipal serving Massachusetts. Municipal utilities are owned and operated by local governments.

What does SAIDI mean for City of Holyoke - (MA)?

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

How many customers does City of Holyoke - (MA) serve?

City of Holyoke - (MA) serves approximately 17,012 customers in Massachusetts. Customer count can affect reliability metrics because larger utilities may face different infrastructure challenges compared to smaller ones.

How has City of Holyoke - (MA)'s reliability changed over time?

City of Holyoke - (MA) 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
Customers
17,012
Annual Revenue
$0.05B
EIA ID
8774
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.