HI SB3081

Establishes the Underground Energy Resource Characterization Program within the Hawaii State Energy Office to identify geothermal heat and carbon sequestration resources statewide using slim-hole boring methods (diameter of 7 inches or less for over 90% of bore depth)

Requires the Hawaii State Energy Office to collaborate with the Hawaii Groundwater and Geothermal Resources Center at the University of Hawaii on exploration activities

Mandates environmental assessments or impact statements upon discovery of viable geothermal resources, with input from Native Hawaiian cultural practitioners and collaboration with state agencies including DLNR and Department of Health

Requires annual reports to the legislature on geothermal energy technology developments and a progress report on the program by 20 days before the 2028 legislative session

Appropriates funds from the energy security special fund for fiscal year 2026-2027, with an effective date of April 19, 2042