Plug-in solar in Maryland: is it worth it for you?
Payback, savings and what is allowed in Maryland. With your own power price, no email and no sign-up.
What applies in Maryland
Allowed with limits- Up to 1,200 W inverter output
- In force since July 1, 2026
- Plug type: NEMA 5-15 (standard 120 V outlet)
Registration steps
- Buy a device certified by UL or an equivalent nationally recognized testing laboratory, max 1,200 W output to the building. ↗
- Before installing, notify your electric company and provide a certification of the device's safety features and maximum generating capacity. ↗
- Up to 391 W output to a standard outlet: exempt from listing provisions that would require wiring or panel alterations. ↗
- Chapter 353 of 2026 (HB 1532), approved 2026-05-12. One portable system per electric meter, residential only.
- Exempt from interconnection (PUA 7-306); not eligible for RPS or RECs; no export credit.
- Electric company not liable for damage caused by the system.
Rules checked November 5, 2026. Sources
Typical payback by mounting spot
Standard kit (2 panels), about $2,160 at the average Maryland power price of $0.21 per kWh, with someone home part of the day.
| Mounting spot | Generated per year | Saved per year | Payback |
|---|---|---|---|
| Balcony railing, facing south | 863 kWh | $164 | 11–15 years |
| Balcony railing, facing east | 715 kWh | $139 | 14–18 years |
| Balcony railing, facing west | 715 kWh | $139 | 14–18 years |
| Tilted, facing south | 1,233 kWh | $221 | 9–11 years |
| Tilted, facing east | 1,048 kWh | $194 | 10–13 years |
| Tilted, facing west | 1,048 kWh | $194 | 10–13 years |
| Flat (roof or garden) | 1,110 kWh | $203 | 9–12 years |
Kits allowed in Maryland
Filtered by the local limit, not by commission. We earn a fee on affiliate links; your price does not change.
Common questions
Tenants and flat owners
Chapter 353 does not address landlords, tenants or HOAs.
Grid operator
Pre-installation notice plus a safety/capacity certification is mandatory. Utility may not require approval or fees; if a locking disconnect switch is needed, the customer pays for it.
Still being confirmed
Still being confirmed
We could not yet confirm the following from an official source. Treat them as provisional.
- effectiveDate: Omnibus act has several effective-date sections (emergency on enactment, others 2026-07-01); 2026-07-01 follows Bright Saver's reading.
- plugType: Law says 'standard electrical outlet'; NEMA 5-15 assumed.
Sources
- Maryland 2026 Chapter 353 (HB 1532) enrolled text (2026-11-05)
- Bright Saver legislation tracker (2026-11-05)
- EIA Electric Power Monthly, Table 5.6.A: Average Price of Electricity by State, August 2026 (2026-11-05)
- The Green Watt: Average peak sun hours by state (NREL PVWatts v8 / NSRDB, largest city per state) (2026-11-05)