# Hawaii HB 1020: RELATING TO A PROGRAM TO CHARACTERIZE CARBON SEQUESTRATION POTENTIAL AND UNDERGROUND WATER RESOURCES STATEWIDE.

Hawaii HB 1020, RELATING TO A PROGRAM TO CHARACTERIZE CARBON SEQUESTRATION POTENTIAL AND UNDERGROUND WATER RESOURCES STATEWIDE., is a 2025–2026 Regular Session (Year 1) House bill sponsored by Nadine K. Nakamura (Democratic); status passed senate, last action 2025-04-25 (Conference Committee Meeting will reconvene on Friday, 04-25-25 at 4:05PM in Conference Room 325.) (as of 2026-10-27).

- Canonical: https://policyrisk.com/state-bill/HI-HB1020-2025
- As of: 2026-10-27
- Plain-text twin of the page above; the HTML and this file carry the same facts.

## Facts
- Bill: Hawaii HB 1020
- State: Hawaii
- Session: 2025–2026 Regular Session (Year 1)
- Title: RELATING TO A PROGRAM TO CHARACTERIZE CARBON SEQUESTRATION POTENTIAL AND UNDERGROUND WATER RESOURCES STATEWIDE.
- Status: passed senate
- Chamber: House
- Introduced: 2025-01-21
- Last action: 2025-04-25, Conference Committee Meeting will reconvene on Friday, 04-25-25 at 4:05PM in Conference Room 325.
- Sponsor: Nadine K. Nakamura (Democratic)
- Cosponsors: 0
- Subjects: Department of Business, Economic Development, and Tourism, Carbon Sequestration, Water Resources, Geothermal Exploration, Report, Positions, Appropriations, EIG/AEN, WAM
- Touches household money: no
- Economic provisions PRIA read: 0

## Summary

Establishes a Carbon Sequestration, Underground Water, and Geothermal Exploration Resource Characterization Program via slim hole bores and requires a related statewide environmental assessment. Requires a report to the Legislature. Establishes positions. Appropriates funds. Effective 7/1/3000. (SD2)

## Bill overview

No economic impacts identified for this bill.

## Sponsors and cosponsors

- Sponsor: Nadine K. Nakamura (Democratic), House

## Actions (35)

- 2025-04-25: Conference Committee Meeting will reconvene on Friday, 04-25-25 at 4:05PM in Conference Room 325. (House)
- 2025-04-25: Conference Committee Meeting will reconvene on Friday, 04-25-25 at 5:10PM in Conference Room 325. (House)
- 2025-04-25: Conference Committee Meeting will reconvene on Friday, 04-25-25 at 5:55PM in Conference Room 325. (House)
- 2025-04-24: Bill scheduled for Conference Committee Meeting on Friday, 04-25-25 11:15AM in conference room 325. (House)
- 2025-04-21: Senate Conferees Appointed: Wakai Chair; Gabbard, Kanuha Co-Chairs; Fevella. (Senate)
- 2025-04-21: Received notice of Senate conferees (Sen. Com. No. 850). (House)
- 2025-04-15: Received notice of appointment of House conferees (Hse. Com. No. 732). (Senate)
- 2025-04-14: House Conferees Appointed: Lowen, Takenouchi Co-Chairs; Kusch, Olds, Alcos. (House)
- 2025-04-10: Received notice of disagreement (Hse. Com. No. 621). (Senate)
- 2025-04-08: House disagrees with Senate amendment (s). (House)
- 2025-04-04: Report Adopted; Passed Third Reading, as amended (SD 2). Ayes, 22; Aye(s) with reservations: none. Noes, 3 (Senator(s) Awa, DeCorte, San Buenaventura). Excused, 0 (none). Transmitted to House. (Senate)
- 2025-04-04: Returned from Senate (Sen. Com. No. 583) in amended form (SD 2). (House)
- 2025-04-02: Reported from WAM (Stand. Com. Rep. No. 1532) with recommendation of passage on Third Reading, as amended (SD 2). (Senate)
- 2025-04-02: 48 Hrs. Notice 04-04-25. (Senate)
- 2025-03-31: The committee(s) on WAM recommend(s) that the measure be PASSED, WITH AMENDMENTS. The votes in WAM were as follows: 13 Aye(s): Senator(s) Dela Cruz, Moriwaki, Aquino, DeCoite, Elefante, Hashimoto, Inouye, Kanuha, Kidani, Kim, Lee, C., Wakai, Fevella; Aye(s) with reservations: none ; 0 No(es): none; and 0 Excused: none. (Senate)
- 2025-03-28: The committee(s) on WAM will hold a public decision making on 03-31-25 10:02AM; Conference Room 211 & Videoconference. (Senate)
- 2025-03-18: Reported from EIG/AEN (Stand. Com. Rep. No. 1119) with recommendation of passage on Second Reading, as amended (SD 1) and referral to WAM. (Senate)
- 2025-03-18: Report adopted; Passed Second Reading, as amended (SD 1) and referred to WAM. (Senate)
- 2025-03-11: The committee(s) on AEN recommend(s) that the measure be PASSED, WITH AMENDMENTS. The votes in AEN were as follows: 3 Aye(s): Senator(s) Gabbard, Richards; Aye(s) with reservations: Senator(s) Rhoads ; 1 No(es): Senator(s) Awa; and 1 Excused: Senator(s) DeCoite. (Senate)
- 2025-03-11: The committee(s) on EIG recommend(s) that the measure be PASSED, WITH AMENDMENTS. The votes in EIG were as follows: 3 Aye(s): Senator(s) Wakai, Chang, Richards; Aye(s) with reservations: none ; 0 No(es): none; and 2 Excused: Senator(s) DeCoite, Fevella. (Senate)
- 2025-03-07: The committee(s) on EIG/AEN has scheduled a public hearing on 03-11-25 3:00PM; Conference Room 016 & Videoconference. (Senate)
- 2025-03-04: Referred to EIG/AEN, WAM. (Senate)
- 2025-02-28: Received from House (Hse. Com. No. 50). (Senate)
- 2025-02-28: Passed First Reading. (Senate)
- 2025-02-27: Reported from FIN (Stand. Com. Rep. No. 890), recommending passage on Third Reading. (House)
- 2025-02-27: Passed Third Reading with none voting aye with reservations; Representative(s) Amato, Garcia, Muraoka voting no (3) and Representative(s) Cochran, Pierick, Templo, Ward excused (4). Transmitted to Senate. (House)
- 2025-02-20: The committee on FIN recommend that the measure be PASSED, UNAMENDED. The votes were as follows: 14 Ayes: Representative(s) Yamashita, Takenouchi, Grandinetti, Holt, Hussey, Keohokapu-Lee Loy, Kitagawa, Kusch, Lamosao, Lee, M., Miyake, Morikawa, Templo, Reyes Oda; Ayes with reservations: none; Noes: none; and 2 Excused: Representative(s) Alcos, Ward. (House)
- 2025-02-18: Bill scheduled to be heard by FIN on Thursday, 02-20-25 12:00PM in House conference room 308 VIA VIDEOCONFERENCE. (House)
- 2025-02-11: Reported from EEP (Stand. Com. Rep. No. 350) as amended in HD 1, recommending passage on Second Reading and referral to FIN. (House)
- 2025-02-11: Passed Second Reading as amended in HD 1 and referred to the committee(s) on FIN with none voting aye with reservations; Representative(s) Garcia voting no (1) and Representative(s) Cochran, Ward excused (2). (House)
- 2025-02-04: The committee on EEP recommend that the measure be PASSED, WITH AMENDMENTS. The votes were as follows: 5 Ayes: Representative(s) Lowen, Perruso, Kahaloa, Kusch, Quinlan; Ayes with reservations: none; Noes: none; and 1 Excused: Representative(s) Ward. (House)
- 2025-01-28: Bill scheduled to be heard by EEP on Tuesday, 02-04-25 9:00AM in House conference room 325 VIA VIDEOCONFERENCE. (House)
- 2025-01-23: Introduced and Pass First Reading. (House)
- 2025-01-23: Referred to EEP, FIN, referral sheet 3 (House)
- 2025-01-21: Pending introduction. (House)

## Bill text

- Bill Text: [PDF](https://data.capitol.hawaii.gov/sessions/session2025/bills/HB1020_SD2_.pdf)
- HB1020_HD1: [HTML](https://data.capitol.hawaii.gov/sessions/session2025/bills/HB1020_HD1_.HTM)
- HB1020_SD1: [HTML](https://data.capitol.hawaii.gov/sessions/session2025/bills/HB1020_SD1_.HTM)
- HB1020_SD2: [HTML](https://data.capitol.hawaii.gov/sessions/session2025/bills/HB1020_SD2_.HTM)
- Original: [HTML](https://data.capitol.hawaii.gov/sessions/session2025/bills/HB1020_.HTM), [PDF](https://data.capitol.hawaii.gov/sessions/session2025/bills/HB1020_.PDF)

## Related bills

- HB 431: RELATING TO HOUSING. (signed)
- HB 1064: RELATING TO FIRE PROTECTION. (signed)
- SB 1044: RELATING TO THE STABILIZATION OF PROPERTY INSURANCE. (signed)
- SB 1231: RELATING TO PARENTAGE. (signed)
- SB 935: RELATING TO GOVERNMENT. (signed)
- HB 703: RELATING TO KUPUNA HOUSING. (signed)

## Sources
- [Bill Text (PDF)](https://data.capitol.hawaii.gov/sessions/session2025/bills/HB1020_SD2_.pdf)
- [HB1020_HD1 (HTML)](https://data.capitol.hawaii.gov/sessions/session2025/bills/HB1020_HD1_.HTM)
- [HB1020_SD1 (HTML)](https://data.capitol.hawaii.gov/sessions/session2025/bills/HB1020_SD1_.HTM)
- [HB1020_SD2 (HTML)](https://data.capitol.hawaii.gov/sessions/session2025/bills/HB1020_SD2_.HTM)
- [Original (HTML)](https://data.capitol.hawaii.gov/sessions/session2025/bills/HB1020_.HTM)
- [Original (PDF)](https://data.capitol.hawaii.gov/sessions/session2025/bills/HB1020_.PDF)

## Related
- [HB 431: RELATING TO HOUSING.](https://policyrisk.com/state-bill/HI-HB431-2025)
- [HB 1064: RELATING TO FIRE PROTECTION.](https://policyrisk.com/state-bill/HI-HB1064-2025)
- [SB 1044: RELATING TO THE STABILIZATION OF PROPERTY INSURANCE.](https://policyrisk.com/state-bill/HI-SB1044-2025)
- [SB 1231: RELATING TO PARENTAGE.](https://policyrisk.com/state-bill/HI-SB1231-2025)
- [SB 935: RELATING TO GOVERNMENT.](https://policyrisk.com/state-bill/HI-SB935-2025)
- [HB 703: RELATING TO KUPUNA HOUSING.](https://policyrisk.com/state-bill/HI-HB703-2025)
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Source: PRIA, https://policyrisk.com/state-bill/HI-HB1020-2025 (as of 2026-10-27).