Panel Permits: Arlington vs Cambridge
How do panel permits rules compare between Arlington, MA and Cambridge, MA?
Arlington has fewer restrictions than Cambridge.
Arlington, MA
Middlesex County
Solar PV requires a building and electrical permit under 780 CMR and 527 CMR 12. The MA Solar Access Law, MGL c.40A s.3, protects installations from zoning bans.
View full Arlington rules →Cambridge, MA
Middlesex County
Cambridge requires building and electrical permits for solar PV installations, with streamlined review for standard rooftop systems and additional review in historic districts.
View full Cambridge rules →Key Facts Comparison
| Fact | Arlington | Cambridge |
|---|---|---|
| Building code | 780 CMR | - |
| Electrical code | 527 CMR 12 | - |
| Solar access law | MGL c.40A s.3 | - |
| Incentive | SMART program | - |
| Utilities | Eversource, Nat Grid | - |
| Permits | - | Building and electrical |
| Streamlined | - | For standard roof systems |
| Historic review | - | Required in historic districts |
| Installer | - | Licensed electrician |
| Utility | - | Eversource interconnect |
Highlighted rows indicate differences between cities.
Arlington FAQ
Can my town ban solar panels?
No. MGL c.40A s.3 prohibits unreasonable restrictions on solar energy systems.
Is net metering available?
Yes, through the MA DPU tariff subject to allocation caps.
Cambridge FAQ
Do I need a permit for rooftop solar?
Yes, building and electrical permits from Cambridge ISD plus utility interconnection with Eversource.
Can I install solar in a historic district?
Yes with Historical Commission review; panels typically must be sited to minimize visibility from public ways.
Compare other topics
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