How reliable is the power in Vermont?
Utilities that report under the IEEE 1366 standard cover 40,741 of the 342,790 customers EIA lists for Vermont (12%). The rule is 60% and 100,000 customers, so Vermont has no state number. Utilities on another method serve 297,076 customers.
Why Vermont has no state figure
1 utility uses the IEEE 1366 method, 2 use another, and 7 gave no reliability figures. The two methods are not averaged together.
The largest Vermont utilities that report under IEEE 1366
Vermont Electric Cooperative, Inc is the only utility in the Vermont IEEE 1366 group: 40,741 customers.
All Vermont utilities in the 2024 file
10 utilities in the 2024 EIA-861 files for Vermont: 1 follows IEEE 1366, 2 use another method, 7 filed no reliability figures. 3 are listed.
| Vermont Electric Cooperative, Inc | Cooperative | IEEE 1366 | 40,741 | 232 | 896 | 1.40 | 3.34 | 74 | 1 of 1 | — |
|---|---|---|---|---|---|---|---|---|---|---|
| Green Mountain Power Corp | Investor Owned | Other method | 275,233 | 281 | 667 | 1.70 | 2.49 | — | Not ranked | other method, not comparable |
| City of Burlington Electric - (VT) | Municipal | Other method | 21,843 | — | — | — | 1.30 | — | Not ranked | other method, not comparable |
Vermont utilities with no reliability figures
7 in the sales file, no SAIDI or SAIFI row.
| Utility | Type | Customers |
|---|---|---|
| Sunrun Inc. | Behind the Meter | 2,381 |
| Tesla Inc. | Behind the Meter | 1,588 |
| Greenbacker Renewable Energy Corporation | Behind the Meter | 25 |
| TerraForm US Energy Services, LLC | Behind the Meter | 2 |
| Vermont Energy Investment Corporation | Not stated | — |
| Town of Stowe- (VT) | Municipal | — |
| Washington Electric Coop - (VT) | Cooperative | — |
The biggest Vermont utilities against the U.S.
- Green Mountain Power Corp (investor owned, 80% of Vermont customers in the file): reports on another method, SAIFI 2.49, not compared with the U.S. figure.
- Vermont Electric Cooperative, Inc (cooperative, 12% of Vermont customers in the file): SAIDI without major events 232 min, 102 above the U.S. 129; with major events 896 min against 662.
- City of Burlington Electric - (VT) (municipal, 6% of Vermont customers in the file): reports on another method, SAIFI 1.30, not compared with the U.S. figure.
- Sunrun Inc. (behind the meter, 1% of Vermont customers in the file): no reliability figures filed.
- Tesla Inc. (behind the meter, 0% of Vermont customers in the file): no reliability figures filed.
Vermont report card
Smart meters: 97% of residential meters, 3 utilities (U.S. 92%). Vermont time-based rates: 3 of 3 utilities, 2.9% of residential customers enrolled (U.S. 10.6%). Vermont efficiency spend: $116.7 per customer (U.S. $124.2). Demand response: 21 W per customer (U.S. 77). Vermont net-metered systems: 29.9 per 1,000 customers. Rankings.
Is your Vermont utility better or worse than the Vermont median?
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3 Vermont filings in EIA-861 2024 (retrieved 2026-10-01), 1 ranked utilities. Method and sources.
Questions
Why is Vermont not ranked?
IEEE 1366 reporters cover 12% of Vermont customers, under the 60% and 100,000 rule.
Which Vermont utilities use which method?
1 follows IEEE 1366, 2 use another method, 7 filed no reliability figures.