Solar Energy in Gaithersburg, MD (2026)
1 verified solar energy rules for Gaithersburg, Maryland, sourced directly from the municipal code and official government pages.
Verified from official government sources
Panel Permits
Gaithersburg does not run a separate solar panel permit; installing panels goes through the standard Chapter 5 building and electrical permit process. What the code does add is a solar-ready mandate: new commercial buildings and new one- and two-family homes and townhouses must reserve wiring pathways and roof structural capacity for future solar systems under adopted Appendix CB and Appendix RB of the 2021 IECC.
Gaithersburg Solar-Ready Building Code Rules
Some RestrictionsGaithersburg City Code § 5-13(18)-(19) (2021 IECC Appendices CB & RB)
(18)Add new Appendix CB. Appendix CB Solar-Ready Zone—Commercial. Appendix CB of the 2021 International Energy Conservation Code is hereby adopted in its entirety. Appendix CB is intended to encourage the installation of renewable energy systems by preparing buildings for the future installation of solar energy equipment, piping and wiring. (19)Add new Appendix RB. Appendix RB. Solar-Ready Prov...
Looking for Montgomery County county-wide rules?
County ordinances apply to unincorporated areas and may supplement Gaithersburg city rules.
Solar Energy in Montgomery County →