Solar for apartments
If your apartment has a balcony that gets a few hours of direct sun, a plug-in kit can cut your bill. The questions are practical: which way it faces, whether the railing can hold a panel, where the nearest outlet is, and what your building allows.
Updated October 2026
Five things to check
- Direction. South is best; east and west work; north rarely pays. Check yours.
- Shade. The balcony above you shades your railing at midday in summer. Watch for a day.
- The railing. Solid enough for 45–50 pounds plus wind? Panel sizes.
- An outlet. On the balcony or just inside, reachable with the kit’s cable.
- Building rules. Lease, HOA or condo bylaws. Renters guide.
High floors
Higher floors often get more sun and less shade, but more wind. Use a mount rated for it, or a smaller panel.
Windows
A panel behind glass loses a good part of its light and usually stands at a poor angle. If the balcony is off-limits, it’s better than nothing, but expect low output.
Apartment power use
Apartments often use less power during the day than houses. That means more of the panel’s midday output goes to the grid. An 800 W kit is usually plenty; a 400 W kit can be the smarter buy for a small, empty-by-day apartment. Test both.
Common questions
What if the balcony above shades mine?
In summer the sun is high, so the balcony above can shade your railing around midday. In winter the low sun reaches under it. Watch your spot at midday in summer before you buy.
What if there's no outlet near my balcony?
Plug the kit straight into a wall outlet, not an extension cord. If there's no outlet within reach, ask your landlord whether an electrician can add one.
Can I put solar panels in a window?
You can, but glass blocks part of the light and the angle is usually poor, so output is low. A panel outside on the balcony does much better.
Does my condo board have to allow it?
Usually not, unless your state's law says so. Colorado adds HOA protections from January 2027. Check your bylaws and ask the board.