Panel Permits: Ewa Gentry vs Waipahu
How do panel permits rules compare between Ewa Gentry, HI and Waipahu, HI?
Ewa Gentry and Waipahu have similar restriction levels.
Ewa Gentry, HI
Honolulu County
Ewa Gentry homeowners installing rooftop solar PV must follow ROH Sec. 18-5.10 expedited clean-energy permitting with building and electrical code review.
View full Ewa Gentry rules →Waipahu, HI
Honolulu County
Waipahu homeowners can use ROH Sec. 18-5.10 expedited permitting for residential solar PV up to 20kW, a meaningful bill offset for leeward Oahu's strong sun exposure.
View full Waipahu rules →Key Facts Comparison
| Fact | Ewa Gentry | Waipahu |
|---|---|---|
| Code | ROH Sec. 18-5.10 | ROH Sec. 18-5.10 |
| Building code | ROH Chapter 16 | - |
| Electrical code | ROH Chapter 17 | - |
| Expedited cap | Residential PV up to 20kW | - |
| Expedited threshold | - | Up to 20kW residential |
| Solar readiness | - | Building Code Sec. R408 |
| State reference | - | HRS Sec. 269-101 to 111 |
Highlighted rows indicate differences between cities.
Ewa Gentry FAQ
Does Ewa Gentry qualify for expedited solar permits?
Yes. Residential rooftop PV up to 20 kW on Ewa Gentry homes qualifies for the expedited clean energy track under ROH Sec. 18-5.10 if plans meet standard criteria.
Do new Ewa Gentry homes need solar-ready roofs?
New single and two-family dwellings must reserve 5 kW AC of roof space for future PV under Honolulu Building Code Sec. R408, which applies to recent Gentry builds.
Waipahu FAQ
Are older Waipahu plantation homes eligible for expedited solar review?
Yes, if the project qualifies under ROH Sec. 18-5.10. Older roofs may need a structural assessment before racking installation and permit approval.
Does Waipahu need a second permit for battery storage?
Battery storage typically requires electrical permits under ROH Chapter 17 and may involve additional review. Expedited processing in Sec. 18-5.10 covers qualifying clean energy projects.
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