Palo Alto vs Santa Clara
How do panel permits rules compare between Palo Alto, CA and Santa Clara, CA?
Palo Alto and Santa Clara have similar restriction levels.
Palo Alto, CA
Santa Clara County
Palo Alto strongly supports residential solar with online SolarAPP+ permitting, Title 24 solar mandate compliance for new homes, and CPAU net energy metering programs.
View full Palo Alto rules →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 →Key Facts Comparison
| Fact | Palo Alto | Santa Clara |
|---|---|---|
| Permit Platform | SolarAPP+ same-day | - |
| Title 24 | Mandatory on new residential | Solar required on new homes |
| Net Metering | CPAU favorable tariff | - |
| Storage Setbacks | CRC 7A fire standards | - |
| Historic Review | HRB for designated districts | - |
| SolarAPP+ | - | Instant online permits for residential systems |
| Utility | - | Silicon Valley Power handles interconnection |
| Size Limit | - | Up to 38.4 kW DC via SolarAPP+ |
| Contact | - | Building Division (408) 615-2440 |
Highlighted rows indicate differences between cities.
Palo Alto FAQ
How long does a solar permit take?
Most residential rooftop solar permits in Palo Alto are issued same-day through SolarAPP+ automated review. Complex or historic projects may take longer.
Is Palo Alto NEM better than PG&E NEM 3.0?
Yes, because Palo Alto is a municipal utility (CPAU), it sets its own net metering policy independent of CPUC NEM 3.0 rules that apply to PG&E customers.
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.
Compare other topics
See how Palo Alto and Santa Clara compare on other ordinance categories.
Want to add a third city?
Use our full comparison tool to compare up to three cities.
Open Comparison Tool