IOU · Minnesota · EIA 12647
ALLETE, Inc.
IOU · Minnesota · 152K customers. According to the U.S. Energy Information Administration's EIA Form 861, reliability for 2023 shows SAIDI 121 minutes/customer.
Reliability verdict
ALLETE, Inc. shows near-benchmark chronic reliability in 2023: 104 minutes SAIDI excluding major events across 152K customers.
- 121 min
- SAIDI 2023
- 1.24
- SAIFI 2023
- 104 min
- SAIDI ex-MED
- 152K
- Customers
Chronic reliability judged on SAIDI excluding major event days when reported (IEEE 1366). Source: EIA Form 861 · August 2026.
Signature read: mid-cohort SAIDI between the 96 and 258 minute tercile cuts.
What mid-pack ALLETE, Inc. filings show
ALLETE, Inc. is an investor-owned utility operating in Minnesota under EIA identifier 12647. It reports service to approximately 151,679 customer accounts and generated about $0.85 billion in annual electric revenue, with a service footprint spanning 113 ZIP codes. Because it is investor-owned, the state public utility commission oversees its rate cases and reliability performance rather than a local board.
In 2023, the average ALLETE, Inc. customer experienced 120.5 minutes of power interruptions, a measure known as SAIDI, or System Average Interruption Duration Index. That lands within the usual 120–180 minute national benchmark band, roughly on par with typical U.S. distribution-utility performance. Over the same period, SAIFI (outage events per customer) was 1.24, putting the typical customer at roughly 1 distinct interruption that year. Once major event days (hurricanes, ice storms) are excluded, SAIDI comes down to 103.6 minutes, and the spread against the headline 120.5 indicates how much weather, versus routine infrastructure, drove the outage total.
The EIA dataset includes 4 years of continuous reporting (2020–2023) for ALLETE, Inc., which lets you see whether reliability is trending up or down rather than judging from a single snapshot. Over that window, SAIDI moved from 179.4 down to 120.5 minutes, a trend worth noting for anyone weighing capital investment outcomes.
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.
121 outage minutes per customer annually
Annual minutes without electric service (2023)
SAIDI by year (2020-2023)
Minutes per customer-year · EIA Form 861
Year-by-year SAIDI for ALLETE, Inc. from the same EIA filings as the table below. Lower is better; major-event years can spike the headline figure.
ALLETE, Inc. SAIDI trend
ALLETE, Inc. vs the nationwide SAIDI distribution
Where this utility's headline SAIDI sits among every EIA Form 861 utility with a reported figure
121 Lower than most fewer outage minutes than 60% 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 ALLETE, Inc. sits on price vs. reliability
Among the 781 U.S. utilities large enough to report both revenue per customer and a recent outage record, ALLETE, Inc. charges more per customer than 98% of them, and is more reliable (lower SAIDI) than 64% 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.
Revenue per customer: $5,593/year · Latest SAIDI: 120.5 minutes/year.
SAIDI 2023 breakdown: 120.5 minutes
Reliability Trend (2020–2023)
| Year | SAIDI (min) | SAIDI nMED | SAIFI | Customers |
|---|---|---|---|---|
| 2020 | 179.4 | 122.5 | 1.420 | 142,937 |
| 2021 | 150.8 | 126.0 | 1.450 | 143,144 |
| 2022 | 496.6 | 112.7 | 2.050 | 143,473 |
| 2023 | 120.5 | 103.6 | 1.240 | 144,144 |
SAIDI nMED = SAIDI without major event days. Source: EIA Form 861.
Service Area
ALLETE, Inc. serves 113 ZIP codes in Minnesota.
Frequently Asked Questions
How reliable is ALLETE, Inc.?
ALLETE, Inc. had a SAIDI of 120.5 minutes in 2023. Excluding major storm impacts, this tracks roughly with the national average.
What type of utility is ALLETE, Inc.?
ALLETE, Inc. is classified as a IOU serving Minnesota.
How many customers does ALLETE, Inc. serve?
ALLETE, Inc. serves approximately 151,679 customers in Minnesota.
How has ALLETE, Inc.'s reliability changed over time?
ALLETE, Inc. 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
- IOU
- State
- Minnesota
- Customers
- 151,679
- Annual Revenue
- $0.85B
- EIA ID
- 12647
Explore
Utilities with similar EIA profiles
Two cross-state peer sets for ALLETE, Inc.. 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 (152K here), outside Minnesota.
Similar chronic SAIDI
Nearest utilities by latest SAIDI minutes (120.5 here), outside Minnesota, 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.