Balcony solar in Connecticut
In effect since Oct 1, 2026. Connecticut’s law is HB 5340 (Public Act 26-127). An 800 W kit on a south-facing railing saves about $157 a year here and pays for itself in about 4.5 years.
Last checked October 6, 2026
What Connecticut’s law says
- The law took effect on October 1, 2026.
- It allows one plug-in device per household, up to 1,200 W.
- The state utility regulator (PURA) was tasked with writing the installation rules.
What that means right now
The law is in effect. Check your utility’s website for the rules PURA set, and buy a certified kit.
If you rent or have an HOA
The law is about the utility, not your landlord. Ask first. Renters guide.
What a kit saves in Connecticut
Estimates at Connecticut’s average power price (30.5¢/kWh), 250 W of always-on use at home, extra power counted as $0.
| Setup | Makes per year | Saves per year | Paid back in |
|---|---|---|---|
| 800 W, south-facing railing ($700) | 694 kWh | $157 | 4.5 yrs |
| 800 W, east or west railing ($700) | 544 kWh | $130 | 5.4 yrs |
| 800 W, south, tilted stand ($700) | 1,040 kWh | $194 | 3.6 yrs |
| 1,200 W, south-facing railing ($1,000) | 1,042 kWh | $187 | 5.3 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.
Connecticut has some of the highest power prices in the US, which is why a kit here can pay back almost as fast as in California despite less sun.
Calculate for my home in Connecticut
Before you buy
- Confirm the law applies on the date you want to plug in.
- Buy a kit certified to the standard the law requires. UL 3700 explained.
- Stay within the size limit.
- Get your landlord’s or HOA’s OK in writing.
- Check your spot: direction, shade, and a solid railing or stand.
Connecticut: common questions
Is balcony solar legal in Connecticut?
In effect since Oct 1, 2026. The law is HB 5340 (Public Act 26-127).
How much can balcony solar save in Connecticut?
About $157 a year for an 800 W kit on a south-facing railing, at Connecticut's average power price of 30.5¢ per kWh. On a tilted stand facing south, about $194.
How long does it take to pay back in Connecticut?
About 4.5 years for a $700 kit on a south-facing railing, before power prices rise. Rising prices shorten that.
How many sun hours does Connecticut get?
About 4.3 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 Connecticut?
The law is about the utility, not your landlord. Ask first.
Sources
- Solar.com, 2026 Guide to Balcony & Plug-In Solar (state law table, updated October 1, 2026).
- PerfectFit Power, Plug-in solar laws, state by state (Connecticut device limit).
- Electricity prices: U.S. Energy Information Administration, Electric Power Monthly, Table 5.6.A (March 2026 data).
- Production and savings: our calculation method.