Hawaii Senate Bill SB665

Hawaii 2025 Regular Session

• Introduced: 1/17/25
• Refer: 1/23/25

Caption

Relating To Energy.

Summary

SB665 requires the Hawaii State Energy Office (HSEO) to commission a study on how different energy-use sectors can be decarbonized most quickly and cost-effectively through additional public investment in combustion-free renewable energy sources. The bill directs the study to examine electricity, transportation, and heating, and to evaluate residential, commercial, and industrial uses, as well as ground transportation, interisland sea and air transportation, and international cargo shipping. It also requires the study to consider conservation, efficiency, and energy storage strategies that can provide firm energy. The bill is framed around Hawaii’s broader zero-emissions goals and the Navahine v. Hawaii Department of Transportation settlement, which the legislature cites as requiring greenhouse gas reductions across the statewide transportation system. SB665 states that combustion of carbon-based fuels is incompatible with a legitimate greenhouse gas reduction plan and that electrification only counts as zero-emission when the electric generation sector is also combustion-free. HSEO must submit a report with findings, recommendations, and any proposed legislation to the Legislature by 20 days before the 2026 regular session.

Impact

If enacted, SB665 would add a new planning and reporting duty for the Hawaii State Energy Office but would not itself directly change emissions standards, permitting rules, or transportation regulations. Its immediate legal effect would be to require a statewide comparative study of decarbonization options across major sectors and to deliver recommendations to lawmakers. The bill could influence future legislation, appropriations, and energy policy by identifying which sectors and investments offer the fastest and most cost-effective path to reducing combustion-based emissions.

Sentiment

Based on the bill text and the absence of recorded committee discussion or votes, the overall sentiment appears supportive of aggressive decarbonization and aligned with Hawaii’s climate and transportation emissions goals. The measure is presented as a fact-finding and policy-development step rather than a direct regulatory mandate, which may make it more broadly acceptable. No contrary positions are documented in the provided materials.

Contention

The main point of contention embedded in the bill is its strong policy premise that combustion of carbon-based fuels cannot be part of a legitimate greenhouse gas reduction plan, and that electrification is not truly zero-emission unless generation is combustion-free. That framing could be disputed by stakeholders who favor transitional fuels, hybrid approaches, or a broader role for electrification powered by the current grid. The bill also prioritizes public investment in renewable alternatives, which may raise questions about cost, feasibility, and which sectors should be targeted first, but no specific opposition is recorded in the available history.