How much can balcony solar save in Maryland?

At Maryland's average residential rate of about 35.9¢/kWh, a typical 800W plug-in kit saves roughly $251/year. Use the balcony solar calculator for a precise estimate based on your home and sun exposure.

Is plug-in solar legal in Maryland?

Legal — signed into law

Yes. Maryland has signed plug-in solar into law (HB 1532). Signed by Gov. Moore on May 12, 2026 as Chapter 353 (5th state). Effective immediately.

HB 1532 — key provisions

Allows systems up to 1,200W; systems ≤391W are exempt from UL certification.
Utilities cannot require approval before installation.
Applies to renters and homeowners.

Avg electricity rate

35.9¢/kWh

Est. savings, 800W kit

~$251/yr

Legal size cap

1,200W

Safety basics (everywhere)

Regardless of your state's law, use a kit with a UL 1741 (or UL 3700) certified microinverter, plug into a GFCI-protected outlet on a dedicated circuit, and don't exceed the circuit's rating. These are the same safety rules the new state laws are built around.

Thinking about balcony solar in Maryland?

Ask the free Energy Advisor about the rules and your savings, or jump straight to the calculator.

Estimate your exact payback

Our balcony solar calculator models production, savings, and payback for Maryland using your home's sun exposure and the best available kits.

Open the balcony solar calculator →

General guidance, not legal advice. Plug-in solar law is changing quickly; this reflects our reading of Maryland legislative records and reporting as of June 18, 2026. Confirm the current rule with the Maryland legislature and your utility before installing. See all states →