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HCC §19-82Property tax break for alternative energy improvements
Read the official text at hawaiicounty.gov ↗This section gives a property tax break for improvements that produce energy without fossil fuels, nuclear, or geothermal, or that use energy more efficiently. The improvement must be for personal use, not commercial sale, except you can sell a little extra energy. You must apply by December 31 for the next tax year, unless it's for solar water heaters or similar devices.
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The ordinance, as written (Hawaiʻi County) — Alternate energy improvements, exemption
A copy, taken August 21, 2026. The version published by Hawaiʻi County is the one that governs, and it may have changed since. Check it before relying on anything here.
(a) The value of all improvements in the County (not including a building or its structural components, except where alternate energy improvements are incorporated into the building, and then only that part of the building necessary to such improvement) actually used for an alternate energy improvement shall be exempted from the measure of the taxes imposed by this article. (b) As used in this section “alternate energy improvement” means any construction or addition, alteration, modification, improvement, or repair work undertaken upon or made to any building which results in: (1) The production of energy from a source, or uses a process which does not use fossil fuels, nuclear fuels, or geothermal source. Such energy source may include, but shall not be limited to, solid wastes, wind, solar, or ocean waves, tides, or currents. (2) An increased level of efficiency in the utilization of energy produced by fossil fuels or in the utilization of secondary forms of energy dependent upon fossil fuels for its generation. (c) Alternate energy production or energy by-products transferred, marketed, or sold on a commercial basis shall not qualify for exemption under the provisions of this section. Provided further, that alternate energy improvements used primarily for personal consumption and producing excess energy incidental to personal consumption may transfer, market, or sell such excess energy produced and continue to qualify for the exemption as provided for by the provisions of this section; however, the transfer, marketing, or sale shall be limited to less than twenty-five percent of the total energy output produced by such improvements. Nuclear fission and geothermal energy sources shall be excluded from the provisions of this section. (d) Application for the exemption provided by this section shall be made with the director of finance on or before December 31, preceding the tax year for which the exemption is claimed, except that no claim need be filed for the exemption of solar water collections, heaters, heat pumps and similar devices. The director of finance may require the taxpayer to furnish reasonable information in order that the director may ascertain the validity of the claim for exemption made under this section and may adopt rules and regulations to implement this section.
Read the official text at hawaiicounty.gov ↗as published Jul 16, 2026our copy taken Aug 21, 2026 Published by the County of Hawaiʻi Office of the County Clerk.
LawTrove is not legal advice. The summary above is a computer-generated restatement — the authoritative text is the official version linked above.