City and County of Honolulu - Real Property Tax Exemption for Alternative Energy Improvements

June 25, 2020


In September 2009, the Honolulu City Council unanimously passed Bill 58 to create a real property tax exemption for alternative energy improvements. This bill became effective October 1, 2009. The alternative energy property installed on a building, property, or land is exempt from property taxes for 25 years. For the purposes of this property tax exemption, alternative energy sources include solar, wind, hydropower, tidal, wave, solid waste and increased efficiency in fossil-fuel burning facilities. Energy sources based on fossil fuels, nuclear fuels or geothermal energy are not eligible for this exemption.

Program Overview

Implementing Sector: Local
Category: Financial Incentive
State: Hawaii
Incentive Type: Property Tax Incentive
Web Site:
Administrator: City and County of Honolulu, Real Property Tax Assessment Division
Start Date: 10/1/2009
Eligible Renewable/Other Technologies:
  • Solar Water Heat
  • Solar Thermal Electric
  • Solar Photovoltaics
  • Wind (All)
  • Biomass
  • Municipal Solid Waste
  • Combined Heat & Power
  • Landfill Gas
  • Tidal
  • Wave
  • Solar Pool Heating
  • Wind (Small)
  • Anaerobic Digestion
Incentive Amount: 100% exemption for 25 years.


Name: Honolulu City Council Bill 58
Effective Date: 10/1/2009
Name: Revised Ordinances of Honolulu 8-10.15
Effective Date: 10/1/2009


Name: Information
Organization: City and County of Honolulu Department of Bud
Address: 842 Bethel St.
Honolulu HI 96813
Phone: (808) 768-3799

This information is sourced from DSIRE; the most comprehensive source of information on incentives and policies that support renewables and energy efficiency in the United States. Established in 1995, DSIRE is operated by the N.C. Clean Energy Technology Center at N.C. State University.