Balcony Solar Advisor

Balcony solar in Vermont

In effect since July 1, 2026. Vermont’s law is S. 202 / H. 598. An 800 W kit on a south-facing railing saves about $121 a year here and pays for itself in about 5.8 years.

Last checked October 6, 2026

Status
Legal, in effect
Starts
July 1, 2026
Size limit
Check the law; most states use 1,200 W
Average power price
24.1¢/kWh
Peak sun hours
4.2 a day
Saves (800 W, south railing)
$121 a year

What Vermont’s law says

  • The law took effect on July 1, 2026.
  • It lets qualifying kits skip the utility’s interconnection process.

What that means right now

The law is in effect. Check the final text for the size limit and certification rules.

If you rent or have an HOA

Ask your landlord first; the law deals with utilities. Renters guide.

What a kit saves in Vermont

Estimates at Vermont’s average power price (24.1¢/kWh), 250 W of always-on use at home, extra power counted as $0.

SetupMakes per yearSaves per yearPaid back in
800 W, south-facing railing ($700)687 kWh$1215.8 yrs
800 W, east or west railing ($700)525 kWh$1007.0 yrs
800 W, south, tilted stand ($700)1,000 kWh$1494.7 yrs
1,200 W, south-facing railing ($1,000)1,031 kWh$1446.9 yrs

Month by month (800 W, south railing)

A panel hanging straight up does best when the sun is low, so winter months hold up better than you’d expect.

Vermont’s power is pricier than average, and homes use relatively little, so a small kit covers a bigger share of the bill.

Calculate for my home in Vermont

Before you buy

  1. Confirm the law applies on the date you want to plug in.
  2. Buy a kit certified to the standard the law requires. UL 3700 explained.
  3. Stay within the size limit.
  4. Get your landlord’s or HOA’s OK in writing.
  5. Check your spot: direction, shade, and a solid railing or stand.

Vermont: common questions

Is balcony solar legal in Vermont?

In effect since July 1, 2026. The law is S. 202 / H. 598.

How much can balcony solar save in Vermont?

About $121 a year for an 800 W kit on a south-facing railing, at Vermont's average power price of 24.1¢ per kWh. On a tilted stand facing south, about $149.

How long does it take to pay back in Vermont?

About 5.8 years for a $700 kit on a south-facing railing, before power prices rise. Rising prices shorten that.

How many sun hours does Vermont get?

About 4.2 peak sun hours a day on average across the year, at a typical location in the state.

Can my landlord or HOA stop me in Vermont?

Ask your landlord first; the law deals with utilities.

Sources