Green Mountain Power Corp Electricity Rates and Average Bill (Vermont)

Data through July 2026 (the latest month EIA has published) · Updated October 13, 2026

As of July 2026, Green Mountain Power Corp's residential customers in Vermont paid an average effective rate of 24.42¢/kWh with an average monthly bill of $147.51, per EIA Form 861-M data. That rate is 0.7¢ above the Vermont average of 23.75¢/kWh; the U.S. average is 18.31¢/kWh.

Average rate
24.42¢/kWh
+8.4% year over year
Average bill
$147.51
−0.8% year over year
Average usage
604 kWh/mo
vs 617 VT average
Residential customers
228,867
Investor Owned

Rate trend vs the Vermont average

View this chart as a table (last 12 months)
MonthRate (¢/kWh)Avg bill ($/mo)Avg usage (kWh/mo)
August 202522.77128.20563
September 202524.76110.66447
October 202525.62127.50498
November 202524.47151.40619
December 202523.64189.28801
January 202623.51195.96833
February 202623.48166.40709
March 202624.30155.74641
April 202625.07119.85478
May 202625.66122.69478
June 202625.23125.60498
July 202624.42147.51604

Green Mountain Power Corp vs Vermont vs the U.S.

Green Mountain Power CorpVermontU.S. average
Rate (July 2026)24.42¢/kWh23.75¢/kWh18.31¢/kWh
Average monthly bill$147.51$146.51$212.44
Average monthly usage604 kWh617 kWh1160 kWh
Rate change, 1 year+8.4%+7.3%+4.9%

Estimate a bill at Green Mountain Power Corp rates

1,000 kWh × 24.42¢ ≈ $244.20

Worked example: 1,000 kWh at Green Mountain Power Corp's average effective rate of 24.42¢/kWh is about $244.20. The utility's actual average usage is 604 kWh/month, which produces the $147.51 average bill. This is an all-in average (energy, delivery, fixed charges, riders); your tariff's marginal price will differ.

See the full Vermont rate trend, look up another utility by ZIP code, or read why electric bills are rising.

Source: EIA Form 861-M (monthly utility-level sales to ultimate customers, residential), published with roughly a two-month lag. Rate = revenue ÷ sales; bill = revenue ÷ customers. Months failing basic sanity screens are excluded. See methodology.