State Regulators & Reliability Reports
Vermont
State: Vermont (VT)
Customers Served (2022)
382,685
Electric Sales, Megawatthours (2022)
5,470,471
SAIDI Minutes (2022)
964
SAIFI Frequency (2022)
2.62
State Regulator:
State of Vermont Public Utility Commission (VPUC)
Current Reporting Requirement(s):
Each transmission and/or distribution utility must report, for outages exceeding five minutes in duration: (1) annual SAIFI and CAIDI reliability indices on a system-wide basis; (2) a table of the number of outages and total, system-wide customer-hours-out by cause categories (e.g., trees, weather, equipment failure); and (3) an “overall assessment of system reliability” that identifies problematic areas and causes, as well as mitigating steps the utility may take. Optionally, a utility may provide explanations of individual “outage anomalies” and/or provide “supplemental indices.”
Regulatory Authority:
Public Utility Commission Rule 4.900, Electricity Outage Reporting
Reporting Timeframe: Annual
Year Implemented: 2000
Required Reliability Indices:
SAIFI, CAIDI
Use of Alternative Indices permitted?
Optional as supplemental data
Naming convention for Reliability Reports:
Outage report (Rule 4.900) and/or Reliability Report
Example Report
Vermont – Burlington Electric, CY2023
How to access utility reliability reports
Accessible from here, searching for Report Type as “Outage report (Rule 4.900).” For each report, then select “All Other Documents” to access each file.