Solar Panels in Williston, VT: Cost, Payback & Savings
A typical 6.0 kW home solar system in Williston costs about $21,600 and pays for itself in about 11.2 years, saving roughly $33,959 over 25 years at Vermont's average electricity price of 24.0¢/kWh.
Monthly solar production in Williston
Estimated output of a 6.0 kW south-facing roof system. Jul is the strongest month (833 kWh); Dec the weakest (301 kWh).
Solar production (kWh) Typical home use, 574 kWh/month
Solar payback calculator for Williston
Pre-filled with Williston's sunshine and Vermont's average electricity price. Enter your own bill and an installer's price per watt to see your payback.
Leave export credit blank where the utility offers full net metering. Where exports earn less, solar used at home as it's produced is worth the full price and the rest earns the export credit.
How Williston compares
- Each kW of panels here produces about 1,209 kWh a year — about the same as the Vermont median and 12% less than the US median city (1,371 kWh).
- Payback ranks #8 of 20 Vermont places we cover.
- Sunshine varies little across a state; electricity price, installed cost and how utilities credit exported power drive most of the difference between states.
Net metering, tax credits and incentives in 2026
Vermont offers net metering: power you send to the grid is credited at or near the retail price, so every solar kWh is valued at 24.0¢ here.
There is no federal tax credit for buying home solar installed in 2026. The 30% Residential Clean Energy Credit (Section 25D) ended for systems placed in service after December 31, 2025, so the costs and paybacks on this page include no federal credit.
Vermont and local utilities may still offer rebates, performance payments, property-tax or sales-tax exemptions. Search the DSIRE incentives database for Vermont and ask installers which programs they apply for you.
Frequently asked questions
Is solar worth it in Williston, VT?
For a typical home, a solar system pays for itself in about 11.2 years and then keeps saving money. Over 25 years the estimated net savings are $33,959. Verdict: solid long-term investment. Your own payback depends on your roof, your bill and the quotes you get.
How many solar panels do I need in Williston, VT?
A home using 574 kWh a month (the Vermont average) needs about 15 panels of 400 W — a 6.0 kW system — to cover its annual use. Divide your own yearly kWh by 1,209 to get the kW you need.
How much do solar panels cost in Williston, VT?
At 3.60 dollars per watt, a 6.0 kW system costs about $21,600 before any state or utility incentives. There is no federal tax credit for systems installed in 2026.
How much sun does Williston get?
Williston averages 4.3 peak sun hours per day, so each kilowatt of panels produces about 1,209 kWh a year.
Does Vermont have net metering?
Yes. Power sent back to the grid is credited at or near the retail price (24.0¢ per kWh on average).
How much does electricity cost in Vermont?
Residential electricity in Vermont averages 24.0¢ per kWh, and a typical home uses 574 kWh a month (EIA).
Solar payback in nearby places
- Essex Junction11.3 yrs
- South Burlington11.2 yrs
- Winooski11.2 yrs
- Burlington11.1 yrs
- Colchester11.3 yrs
- Morristown11.7 yrs
- Saint Albans11.4 yrs
- Montpelier11.4 yrs