Municipal · Massachusetts · EIA 17127

Town of Shrewsbury - (MA)

Municipal · Massachusetts · 16K customers. According to the U.S. Energy Information Administration's EIA Form 861, reliability for 2023 shows SAIDI 11 minutes/customer.

Reliability verdict

Town of Shrewsbury - (MA) shows above-average chronic reliability in 2023: 11 minutes SAIDI excluding major events across 16K customers.

11 min
SAIDI 2023
0.19
SAIFI 2023
11 min
SAIDI ex-MED
16K
Customers

Chronic reliability judged on SAIDI excluding major event days when reported (IEEE 1366). Source: EIA Form 861 · August 2026.

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Signature read: short interruption minutes vs the 911 utility cohort (≤96 min tercile cut).

What short-outage Town of Shrewsbury - (MA) filings show

Town of Shrewsbury - (MA) is a municipally-owned utility operating in Massachusetts under EIA identifier 17127. It reports service to approximately 16,445 customer accounts and generated about $0.04 billion in annual electric revenue, with a service footprint spanning 9 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 Town of Shrewsbury - (MA) customer experienced 10.9 minutes of power interruptions, a measure known as SAIDI, or 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 0.19 for the same period, meaning customers statistically saw about 0 distinct interruptions that year. Excluding major event days (hurricanes, ice storms), SAIDI drops to 10.9 minutes, the gap between that figure and the headline 10.9 reveals how much weather, not day-to-day infrastructure, drove outages.

The EIA dataset includes 4 years of continuous reporting (2020–2023) for Town of Shrewsbury - (MA), which lets you see whether reliability is trending up or down rather than judging from a single snapshot. SAIDI has improved from 40.0 to 10.9 minutes over that window, a meaningful direction for prospective customers and regulators watching capital investment outcomes.

A+
Reliability Score
96/100
Town of Shrewsbury - (MA) · 3 of 3 dimensions reported

Based on this utility's own EIA Form 861 reliability record -- baseline (major-event- excluded) outage duration, total outage duration, and outage frequency -- each benchmarked against every reporting utility nationwide. Not a measure of electricity rates or customer service, which this portal does not track.

Baseline Reliability A+ 10.9 min/yr
SAIDI excluding major-event days — day-to-day grid performance
Total Outage Duration A+ 10.9 min/yr
SAIDI including storms and major events — the full-year experience
Outage Frequency A+ 0.19/yr
SAIFI — average number of interruptions per customer per year
SAIDI vs. national mean (341 min) 1.5%

11 outage minutes per customer annually

Town of Shrewsbury - (MA) SAIDI

Minutes without power per year (2023)

11 SAIDI11 SAIDINat. avg 341341SAIDI11SAIDI

Excellent

SAIDI by year (2020-2023)

Minutes per customer-year · EIA Form 861

Year-by-year SAIDI for Town of Shrewsbury - (MA) from the same EIA filings as the table below. Lower is better; major-event years can spike the headline figure.

Source: U.S. EIA Form 861 As of August 2026

Town of Shrewsbury - (MA) SAIDI trend

0 10 20 30 40 2020 2021 2022 2023 40 17.2 2.8 10.9
Year-by-year SAIDI from the same EIA filings as the table below. Lower is better; major-event years can spike the headline figure.

Town of Shrewsbury - (MA) vs the nationwide SAIDI distribution

Where this utility's headline SAIDI sits among every EIA Form 861 utility with a reported figure

11 Among the lowest fewer outage minutes than 96% of 911 utilities

Utilities nationwide, banded by latest reported SAIDI (minutes)

Each bar is a band; taller bars hold more utilities. The dashed line + filled bar mark this entry. Hover or tap any bar for its full count and share, and where it sits relative to this entry.

Source U.S. EIA Form 861 reliability filings · August 2026

Price vs. reliability

Where Town of Shrewsbury - (MA) sits on price vs. reliability

Among the 781 U.S. utilities large enough to report both revenue per customer and a recent outage record, Town of Shrewsbury - (MA) charges more per customer than 56% of them, and is more reliable (lower SAIDI) than 98% of them, placing it in the quadrant where it pays more and is more reliable. Revenue per customer and outage minutes are independent figures: paying more does not guarantee fewer outages.

Town of Shrewsbury - (MA) vs. a 40-utility national peer sample, price percentile vs. reliability percentile. Scatter plot of 41 data points (bubble-sized by third dimension). 050100150 050100150 Best valuePays for itCheap + riskyWorst deal Price percentile Reliability percentile Point, Price percentile: 0 · Reliability percentile: 30Point, Price percentile: 3 · Reliability percentile: 40Point, Price percentile: 5 · Reliability percentile: 32Point, Price percentile: 8 · Reliability percentile: 80Point, Price percentile: 10 · Reliability percentile: 45Point, Price percentile: 13 · Reliability percentile: 87Point, Price percentile: 15 · Reliability percentile: 12Point, Price percentile: 18 · Reliability percentile: 25Point, Price percentile: 20 · Reliability percentile: 17Point, Price percentile: 23 · Reliability percentile: 77Point, Price percentile: 25 · Reliability percentile: 10Point, Price percentile: 28 · Reliability percentile: 50Point, Price percentile: 30 · Reliability percentile: 60Point, Price percentile: 33 · Reliability percentile: 57Point, Price percentile: 35 · Reliability percentile: 7Point, Price percentile: 38 · Reliability percentile: 0Point, Price percentile: 40 · Reliability percentile: 70Point, Price percentile: 43 · Reliability percentile: 5Point, Price percentile: 45 · Reliability percentile: 20Point, Price percentile: 48 · Reliability percentile: 15Point, Price percentile: 50 · Reliability percentile: 43Point, Price percentile: 53 · Reliability percentile: 37Point, Price percentile: 55 · Reliability percentile: 97Point, Price percentile: 60 · Reliability percentile: 75Point, Price percentile: 63 · Reliability percentile: 2Point, Price percentile: 65 · Reliability percentile: 67Point, Price percentile: 68 · Reliability percentile: 92Point, Price percentile: 70 · Reliability percentile: 72Point, Price percentile: 73 · Reliability percentile: 52Point, Price percentile: 75 · Reliability percentile: 47Point, Price percentile: 78 · Reliability percentile: 90Point, Price percentile: 80 · Reliability percentile: 22Point, Price percentile: 83 · Reliability percentile: 95Point, Price percentile: 85 · Reliability percentile: 35Point, Price percentile: 88 · Reliability percentile: 27Point, Price percentile: 90 · Reliability percentile: 82Point, Price percentile: 93 · Reliability percentile: 62Point, Price percentile: 95 · Reliability percentile: 85Point, Price percentile: 98 · Reliability percentile: 65Point, Price percentile: 100 · Reliability percentile: 55Town of Shrewsbury - (MA), Price percentile: 56 · Reliability percentile: 98
Town of Shrewsbury - (MA) vs. a 40-utility national peer sample, price percentile vs. reliability percentile.

Revenue per customer: $2,629/year · Latest SAIDI: 10.9 minutes/year.

SAIDI 2023 breakdown: 10.9 minutes

Reliability Trend (2020–2023)

Year SAIDI (min) SAIDI nMED SAIFI
2020 40.0 - 0.410
2021 17.2 3.0 0.300
2022 2.8 2.8 0.050
2023 10.9 10.9 0.190

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

Service Area

Town of Shrewsbury - (MA) serves 9 ZIP codes in Massachusetts.

015050153201536015450154601581016040160501606

Frequently Asked Questions

How reliable is Town of Shrewsbury - (MA)?

Town of Shrewsbury - (MA) had a SAIDI of 10.9 minutes in 2023. Excluding major storm impacts, this beats the national average, a sign of above-average reliability.

What type of utility is Town of Shrewsbury - (MA)?

Town of Shrewsbury - (MA) is classified as a Municipal serving Massachusetts.

How many customers does Town of Shrewsbury - (MA) serve?

Town of Shrewsbury - (MA) serves approximately 16,445 customers in Massachusetts.

How has Town of Shrewsbury - (MA)'s reliability changed over time?

Town of Shrewsbury - (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.

Utility Profile

Type
Municipal
Customers
16,445
Annual Revenue
$0.04B
EIA ID
17127

Utilities with similar EIA profiles

Two cross-state peer sets for Town of Shrewsbury - (MA). Same-state SAIDI neighbors stay in Read-with below; these neighborhoods are nearest other-state utilities with at least 10,000 reported customers.

Similar customer count

Nearest utilities by Form 861 customers (16K here), outside Massachusetts.

Similar chronic SAIDI

Nearest utilities by latest SAIDI minutes (10.9 here), outside Massachusetts, excluding the customer-peer set.

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 · methodology.