Panel Permits: Concord vs Oakley
How do panel permits rules compare between Concord, CA and Oakley, CA?
Concord has fewer restrictions than Oakley.
Concord, CA
Contra Costa County
Concord issues rooftop solar PV permits within 1-3 business days under AB 2188 and participates in the SolarAPP+ automated permitting platform. Standard residential systems under 38.4 kW receive over-the-counter approval with no discretionary review.
View full Concord rules →Oakley, CA
Contra Costa County
Solar PV installations in Oakley must comply with the 2022 California Electrical Code (Article 690), California Residential Code, California Fire Code Chapter 11B access pathways, and California Title 24 Part 6 energy standards. Systems must maintain rooftop access and ventilation pathways for firefighter operations.
View full Oakley rules →Key Facts Comparison
| Fact | Concord | Oakley |
|---|---|---|
| - | - | |
| Fact | - | CEC Article 690 rapid-shutdown required |
Highlighted rows indicate differences between cities.
Concord FAQ
How fast can I get a solar permit in Concord?
Residential rooftop systems that qualify for SolarAPP+ can be permitted instantly online. Standard applications are processed within 1-3 business days per AB 2188.
Do I need a permit for a Tesla Powerwall in Concord?
Yes. Battery energy storage systems require a separate electrical permit and must comply with CRC R328 safety and setback rules.
Can I get net metering in Concord?
PG&E offers the Net Billing Tariff (NEM 3.0) for new solar interconnections. Export credits are lower than NEM 2.0, making battery storage more attractive.
Oakley FAQ
What is rapid shutdown?
CEC 690.12 requires module-level rapid shutdown so firefighters can de-energize rooftop PV within 30 seconds of activating a shutdown switch.
Can I mount panels on every part of my roof?
No. Fire Code §1205 requires 18-inch clearances at ridges and 36-inch clearances at hips on single-family roofs to provide firefighter access.
How big can my home battery be?
Residential battery systems are limited to 20 kWh per unit with aggregate limits per location under CFC §1207. Larger installations require enhanced review.
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