Balcony solar for apartments and renters

Who these kits suit

Plug-in kits suit apartments and condos with a balcony, railing or fence where you can mount panels and reach a standard outlet. Kits on the market range from 180 W (one panel) up to 2,000 W (multiple panels), so you can choose a size that fits your space.

They are useful if you want daytime generation to offset lights, appliances or to charge a portable power station. They are not a good choice if your balcony is heavily shaded for most of the day or if you expect to run a whole household from the kit.

• Vertical or railing mounts are normal on a balcony and can perform relatively better in winter (Bright Saver).
• Partial shade on one panel can drag down a paired panel when panels share a single microinverter input (Bright Saver).

What to look for

Match panel wattage and panel count to your available railing or deck area. Examples include single 180 W panels, 200 W panels sold in pairs, 400 W rigid panels and multi-panel kits up to 2,000 W; the kit picker below starts with railing mounts where the spec says no-drill.

Check the microinverter AC output because that limits how much power the kit can feed to your apartment at once. Many kits list 800 W or 1,200 W AC output; some kits include batteries (examples: 1,920 Wh or 3,000 Wh) which increase resilience but add cost and space needs.

• Check certifications: sellers commonly list UL 1741; many claim UL 3700 but a public UL listing is not always published (Vermont names UL 3700 in law).
• Panel orientation (portrait or landscape) does not change cell light; choose by space or bracket length (Bright Saver).
• If you want a railing-specific product, see the railing kit guide.

Worked example: 800 W kit

The calculator gives annual production for an 800 W kit that varies with orientation and tilt. In New York the calculator lists 1,082 kWh/year for a 30° south-facing mount and 513–1,023 kWh/year for other orientations and tilts.

In Los Angeles the calculator lists 1,370 kWh/year for 30° south and 580–1,333 kWh/year across orientations; in Chicago it lists 1,054 kWh/year for 30° south and 504–1,054 kWh/year across orientations. Use the calculator for your address and orientation to see how much an 800 W kit would produce at your balcony.

Laws, renters and HOAs

Several states have laws that set size limits or protect renters and condo owners. On October 14, 2026, Utah, Maryland, Vermont, Maine, Colorado and Connecticut had laws in effect, with common caps at 1,200 W, Colorado at 1,920 W and Maine at 420 W without an electrician; California, New Hampshire, Virginia and New Jersey had signed bills taking effect in 2027.

The laws in Colorado and New Jersey limit how far a landlord can prohibit plug-in solar, and Vermont's law lets a landlord answer a tenant's notice with reasonable restrictions. The Bright Saver tracker says the laws in Maryland, New Hampshire and Virginia do not require a landlord's permission, which is not the same as protection from a lease ban; Maine's law asks a renter to restore the building when the system comes off. Some laws name the output limit as AC (for example California and Maine); other texts do not specify AC or DC.

Checklist before buying: read your lease for clauses about exterior fixtures or electricity use; confirm there is a suitable outlet on the balcony; check railing type, clearance and the panel count in the kit. For outlet safety see the outlet and safety guide, and for state summaries see the legal page.

• Confirm the kit's inverter output (examples: 800 W or 1,200 W) fits your circuit and intended use.
• If you live under an HOA, check state-specific protections — some states prevent HOAs from prohibiting these devices while others do not explicitly address HOAs.