SAIDI
37 min per year
Mean outage duration per year (2023)
What This Utility Data Tells You
Town of Reading - (MA) is a municipally-owned utility operating in Massachusetts under EIA identifier 15748. It reports service to approximately 30,483 customer accounts and generated about $0.09 billion in annual electric revenue, with a service footprint spanning 17 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 Reading - (MA) customer experienced 36.9 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. The SAIFI figure, which tracks average outage events per customer, came in at 0.34 for the same period, meaning customers statistically saw about 0 distinct interruptions that year. Once major event days (hurricanes, ice storms) are excluded, SAIDI comes down to 26.1 minutes, and the spread against the headline 36.9 indicates how much weather, versus routine infrastructure, drove the outage total.
The EIA dataset includes 4 years of continuous reporting (2020–2023) for Town of Reading - (MA), which lets you see whether reliability is trending up or down rather than judging from a single snapshot. SAIDI has improved from 37.6 to 36.9 minutes over that window, a meaningful direction for prospective customers and regulators watching capital investment outcomes.
SAIFI
0.34 interruptions/yr
Outage frequency (2023)
Customers
30,483
Massachusetts service territory
SAIDI vs. National Average (180 min) 9.2%
37 min/year per customer
Annual minutes without electric service (2023)
Reliability Trend (2020–2023)
| Year | SAIDI (min) | SAIDI nMED | SAIFI | Customers |
|---|---|---|---|---|
| 2020 | 37.6 | 18.9 | 0.346 | 30,111 |
| 2021 | 21.8 | 13.9 | 0.275 | 30,504 |
| 2022 | 61.7 | 14.3 | 0.258 | 30,504 |
| 2023 | 36.9 | 26.1 | 0.340 | 30,504 |
SAIDI nMED = SAIDI without major event days. Source: EIA Form 861.
Service Area
Town of Reading - (MA) serves 17 ZIP codes in Massachusetts.
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Frequently Asked Questions
How reliable is Town of Reading - (MA)?
Town of Reading - (MA) had a SAIDI of 36.9 minutes in 2023. Leaving aside major weather events, that figure comes in under the national average, pointing to above-average reliability.
What type of utility is Town of Reading - (MA)?
Town of Reading - (MA) is classified as a Municipal serving Massachusetts.
How many customers does Town of Reading - (MA) serve?
Town of Reading - (MA) serves approximately 30,483 customers in Massachusetts.
How has Town of Reading - (MA)'s reliability changed over time?
Town of Reading - (MA) has 4 years of reliability data (2020-2023). SAIDI has held roughly steady across these years. Review the trend table above for year-by-year detail.
Utility Profile
- Type
- Municipal
- State
- Massachusetts
- Customers
- 30,483
- Annual Revenue
- $0.09B
- EIA ID
- 15748
Explore
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.
Every figure on PlainUtility is rendered directly from the U.S. Energy Information Administration's Form 861 reliability data, no number is typed in by an editor. This utility's SAIDI/SAIFI figures are rendered directly from EIA Form 861 reliability files. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of 2020-2023.