---
type: "Bill"
title: "Expiration of tax credits for purchase of geothermal machinery and equipment"
description: "AN ACT TO EXTEND THE TAX CREDITS FOR THE PURCHASE AND INSTALLATION OF GEOTHERMAL MACHINERY AND EQUIPMENT UNTIL JANUARY 1, 2032. - ratified title"
jurisdiction: "us/states/sc"
legislature: "South Carolina General Assembly"
session: "2021-2022"
identifier: "S 463"
citation: "South Carolina S 463 (2021-2022)"
classification: ["bill"]
subjects: []
status: "enacted"
primary_sponsors: ["Alexander", "Cromer", "Grooms", "Loftis", "Scott"]
version_count: 5
action_count: 17
vote_count: 2
first_action: "2021-01-13"
last_action: "2021-06-01"
source: "openstates"
source_identifier: "ocd-bill/676c644e-f8fa-400c-a51b-055af5e5c276"
source_url: "https://www.scstatehouse.gov/billsearch.php?billnumbers=463&session=124&summary=B"
source_hash: "c1ba326c10200c441ce69f9af659a6e4749d17eaefaf906b382334dde21a9451"
vintage: "2026-07-01"
source_snapshot: "https://data.openstates.org/daily/2026-07-01/public.pgdump"
retrieved_at: "2026-07-06"
confidence: "reported"
tags: ["legislation", "bill", "us-sc"]
---

# South Carolina S 463 (2021-2022) — Expiration of tax credits for purchase of geothermal machinery and equipment

AN ACT TO EXTEND THE TAX CREDITS FOR THE PURCHASE AND INSTALLATION OF GEOTHERMAL MACHINERY AND EQUIPMENT UNTIL JANUARY 1, 2032. - ratified title

## Version chain

The bill's text revisions, in order — the diff chain from filing to enrollment.

1. **Filed** (filed) — [source](https://www.scstatehouse.gov/sess124_2021-2022/bills/463.htm)
2. **1/13/2021** (committee substitute) — [source](https://www.scstatehouse.gov/sess124_2021-2022/prever/463_20210113.htm)
3. **3/17/2021** (committee substitute) — [source](https://www.scstatehouse.gov/sess124_2021-2022/prever/463_20210317.htm)
4. **3/23/2021** (committee substitute) — [source](https://www.scstatehouse.gov/sess124_2021-2022/prever/463_20210323.htm)
5. **5/4/2021** (committee substitute) — [source](https://www.scstatehouse.gov/sess124_2021-2022/prever/463_20210504.htm)

## Votes

- 2nd Reading — **44–0** (pass) · upper
- Passage of Bill — **103–5** (pass) · lower

## Sponsors

- Alexander — primary (person)
- Cromer — primary (person)
- Grooms — primary (person)
- Loftis — primary (person)
- Scott — primary (person)

## Timeline

The legislative action history — every referral, reading, and vote.

- **2021-01-13** Introduced and read first time `introduction, reading-1`
- **2021-01-13** Referred to Committee on Finance `referral-committee`
- **2021-03-17** Committee report: Favorable with amendment Finance `committee-passage-favorable`
- **2021-03-23** Committee Amendment Adopted `amendment-passage`
- **2021-03-23** Read second time `reading-2`
- **2021-03-23** Roll call Ayes-44 Nays-0
- **2021-03-24** Read third time and sent to House `passage, reading-3`
- **2021-04-06** Introduced and read first time `introduction, reading-1`
- **2021-04-06** Referred to Committee on Ways and Means `referral-committee`
- **2021-05-04** Committee report: Favorable Ways and Means `committee-passage-favorable`
- **2021-05-05** Read second time `reading-2`
- **2021-05-05** Roll call Yeas-103 Nays-5
- **2021-05-06** Read third time and enrolled `passage, reading-3`
- **2021-05-13** Ratified R 66
- **2021-05-17** Signed By Governor `executive-signature`
- **2021-06-01** Effective date 05/17/21
- **2021-06-01** Act No. 53

## Source

OpenStates / OpenCivicData bulk snapshot [2026-07-01](https://data.openstates.org/daily/2026-07-01/public.pgdump); origin `ocd-bill/676c644e-f8fa-400c-a51b-055af5e5c276`. Confidence: reported (aggregated from official South Carolina legislature records).