HI HB1020

Establishes a Carbon Sequestration, Underground Water, and Geothermal Exploration Resource Characterization Program within the Department of Business, Economic Development, and Tourism to map underground water and carbon storage potential statewide

Requires the program to use slim-hole boring exploration (diameter of 7 inches or less for over 90% of bore depth) and conduct a statewide environmental assessment under Chapter 343

Mandates collaboration with the Hawaii Groundwater and Geothermal Resources Center at the University of Hawaii and requires community engagement with counties, residents, and civic organizations before and during environmental assessments

Appropriates unspecified amounts from the energy security special fund and general revenues for fiscal years 2025-2026 and 2026-2027, including funding for permanent staff positions

Requires a progress report to the legislature no later than 20 days before the 2028 regular session, with findings to be made publicly available in accessible formats including mapping software