Reference data ยท Refund periods

How far back Vermont utilities refund overcharges

Green Mountain Power's terms and conditions set no refund look-back for overbilling; refunds follow PUC practice and orders. GMP must credit $35 for any bill found inaccurate after it was sent, and $35 for any bill not rendered within seven days. Here is the rule behind it, what starts or limits the clock, and what it means for a business with a billing error in Vermont.

Vermont at a glance

Vermont
RuleGreen Mountain Power Terms and Conditions for Electric Service, Tariff V.P.U.C. 10 (effective June 21, 2025); Vermont PUC Rules 3.300 and 3.400 and each utility's PUC-approved tariff, e.g. Green Mountain Power's Tariff V.P.U.C. 10
How far back refunds goGreen Mountain Power's terms and conditions set no refund look-back for overbilling; refunds follow PUC practice and orders. GMP must credit $35 for any bill found inaccurate after it was sent, and $35 for any bill not rendered within seven days
What starts or limits the clockNo look-back period in the GMP tariff; meters with more than 4% error may not stay in service, and a meter-test deposit is refunded if the meter is more than 4% fast
InterestSet in the tariff or by PUC order
RegulatorVermont utility commission

What it means for a refund claim in Vermont

  • GMP's service guarantees are capped at $13,500 per incident when a systemic error affects more than 1,000 customers.
  • Green Mountain Power serves most of Vermont; Burlington Electric, Vermont Electric Cooperative and Vermont Gas each carry their own tariffs.
  • Read the utility's tariff rules on billing and meter error too: tariffs often repeat or extend the commission rule.
  • Municipal utilities and cooperatives usually set their own billing rules.

Discovery Energy reviews 36 to 48 months of history on every account and pursues the longest period each jurisdiction allows. See how overcharge recovery works, or compare Vermont with every other state.

Sources

Frequently asked questions

How far back do Vermont utilities refund billing overcharges?

Green Mountain Power's terms and conditions set no refund look-back for overbilling; refunds follow PUC practice and orders. GMP must credit $35 for any bill found inaccurate after it was sent, and $35 for any bill not rendered within seven days.

What limits the refund period in Vermont?

No look-back period in the GMP tariff; meters with more than 4% error may not stay in service, and a meter-test deposit is refunded if the meter is more than 4% fast.

Do Vermont utility refunds include interest?

Set in the tariff or by PUC order.

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