Santa Clara vs Sunnyvale
How do panel permits rules compare between Santa Clara, CA and Sunnyvale, CA?
Santa Clara and Sunnyvale have similar restriction levels.
Santa Clara, CA
Santa Clara County
Santa Clara uses SolarAPP+ for instant residential rooftop solar permits under AB 2188, and Title 24 requires solar on new homes. Silicon Valley Power is the interconnection utility.
View full Santa Clara rules →Sunnyvale, CA
Santa Clara County
Sunnyvale offers online solar permits under AB 1236 and SB 379. Residential rooftop PV typically earns same-day approval. Title 24 Solar Mandate requires solar on most new homes.
View full Sunnyvale rules →Key Facts Comparison
| Fact | Santa Clara | Sunnyvale |
|---|---|---|
| SolarAPP+ | Instant online permits for residential systems | - |
| Title 24 | Solar required on new homes | - |
| Utility | Silicon Valley Power handles interconnection | - |
| Size Limit | Up to 38.4 kW DC via SolarAPP+ | - |
| Contact | Building Division (408) 615-2440 | - |
| Legal basis | - | AB 1236 + AB 379 |
| System cap | - | Expedited under 15 kW |
| Title 24 mandate | - | Solar on new homes |
| Batteries | - | Separate permit; fire review |
| Inspection | - | Grounding, labels, rapid shutdown |
Highlighted rows indicate differences between cities.
Santa Clara FAQ
How fast can I get a solar permit?
Typical residential systems receive same-day approval through SolarAPP+ online instant permitting.
Do new homes have to include solar?
Yes, California Title 24 requires solar PV on all new single-family and low-rise multifamily construction.
Sunnyvale FAQ
How fast is a solar permit in Sunnyvale?
Most residential systems under 15 kW are approved online in one business day via SolarAPP+ or the Sunnyvale portal.
Do I need solar on a new home?
Yes. Title 24 Part 6 requires solar PV on most newly constructed California single-family homes.
Compare other topics
See how Santa Clara and Sunnyvale compare on other ordinance categories.
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