Balcony Solar FAQ

Every balcony solar
question answered.

Q: Is balcony solar legal?

Yes - in 7 US states as of June 2026. Colorado (Jan 1, 2027), Connecticut (signed June 4, 2026 - portable solar protections Oct 1, 2026), Maryland (now), Maine (Jul 15, 2026), Virginia (now), Utah (now), and Vermont (now) have all signed balcony solar laws. Two more states - New Hampshire and New York - have passed their legislatures and await governor signatures. 21+ additional states have bills advancing.

Q: Is balcony solar legal in Colorado?

Yes. HB26-1007 was signed by Governor Polis in May 2026 and takes effect January 1, 2027. Colorado renters can install up to 1,920W of plug-in solar with no utility approval required.

Q: Is balcony solar legal in my state?

It depends on your state. Sol Country's Laws Tracker shows the current status for all 50 states - including which have laws, which have bills advancing, and which have no legislation yet.

Q: Do I need HOA approval for balcony solar?

In states with balcony solar laws - no. HOA restrictions that prohibit compliant plug-in solar installations are explicitly unenforceable under laws like Colorado's HB26-1007. In states without laws, HOA rules still apply and approval may be required.

Q: Is balcony solar legal in apartments?

Yes - in states with laws. Balcony solar was specifically designed for apartment renters. The kits plug into a standard outlet and require no structural modifications to the building.

Q: What is UL 3700 certification?

UL 3700 is the first dedicated US safety standard for plug-in solar systems, published December 2025 by UL Solutions. It requires automatic power cutoff when disconnected from the grid, anti-islanding protection to protect utility workers, overload prevention, and weatherproofing. Colorado, Maine, Virginia, Utah, and Vermont laws all require UL 3700 (or equivalent) certification. As of 2026, NO plug-in solar product has completed the full UL 3700 system certification — first certifications are expected late 2026. Every kit Sol Country lists uses UL-listed components; we track UL 3700 status for each kit and flip the label the day it changes.

Q: If my state legalized plug-in solar, does the National Electrical Code agree?

State laws and the NEC haven't always moved in sync on plug-in solar. The NEC historically didn't have a clear framework for systems that connect through a wall outlet, but states like Utah, Colorado, Maryland, Maine, Virginia, Connecticut, and Vermont passed their own statutes - with UL 3700 doing the safety-verification work that an inspection would otherwise provide. The NEC's next revision cycle (expected around 2029) is likely to address this directly. If you ever get pushback from a utility or inspector, point them to your state's specific statute.

Q: How much does balcony solar save?

Savings depend on your system size and electricity rate. At the national average rate of $0.182/kWh, an 800W kit generates approximately $104/year in savings. In high-rate states like Connecticut ($0.286/kWh) the same kit saves $163/year. Sol Country calculates your exact savings using NLR sun data and your actual utility rate.

Q: What is the payback period for balcony solar?

Payback depends on kit cost and your electricity rate. A $599 800W kit in Connecticut ($0.286/kWh) pays back in approximately 3.7 years. The same kit in Colorado ($0.133/kWh) pays back in approximately 7.8 years. Most balcony solar kits pay back in 4-10 years and last 25+ years.

Q: How much electricity does a 400W balcony solar panel generate?

A 395W panel in Denver, Colorado generates approximately 560 kWh per year based on NLR sun hour data (5.31 peak sun hours/day). This offsets roughly $75 in electricity costs at Xcel Energy's current rate. Output varies by location, shading, and panel angle.

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Legality

Is balcony solar legal?+

Is balcony solar legal in Colorado?+

Is balcony solar legal in my state?+

Do I need HOA approval for balcony solar?+

Is balcony solar legal in apartments?+

What is UL 3700 certification?+

If my state legalized plug-in solar, does the National Electrical Code agree?+

Savings

How much does balcony solar save?+

What is the payback period for balcony solar?+

How much electricity does a 400W balcony solar panel generate?+

Does balcony solar reduce my electricity bill?+

Is balcony solar worth it?+

Does balcony solar save more when electricity rates increase?+

Installation

How do you install balcony solar?+

Do I need an electrician to install balcony solar?+

Can I install balcony solar in a window?+

What direction should balcony solar panels face?+

Can balcony solar be mounted on a wall?+

Safety

Is balcony solar safe?+

Will balcony solar overload my circuits?+

Will my balcony solar panel power my home during an outage?+

Can balcony solar cause a fire?+

Winter & Weather

Does balcony solar work in winter?+

Does balcony solar work on cloudy days?+

What happens to balcony solar in a Colorado winter?+

Landlords

Do I need landlord permission for balcony solar?+

What if my landlord refuses balcony solar?+

Can I get my deposit back if my landlord stops me?+

Moving

Can I take balcony solar when I move?+

Does balcony solar affect my rental application?+

Can I use balcony solar in multiple apartments?+

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By The Sol Country Team·Last reviewed: July 2026·Editorial standards

Sources

Primary sources for this article

Sol Country reviews these sources on a rolling basis. See our editorial standards for how we source and update data.

Every balcony solarquestion answered.