---
type: "Bill"
title: "require certain wind energy facilities to include aircraft detection lighting systems."
description: "require certain wind energy facilities to include aircraft detection lighting systems."
jurisdiction: "us/states/sd"
legislature: "South Dakota Legislature"
session: "2019"
identifier: "SB 64"
citation: "South Dakota SB 64 (2019)"
classification: ["bill"]
subjects: ["Energy Facilities", "Public Health and Safety", "Public Utilities and Carriers"]
status: "enacted"
primary_sponsors: ["Blare", "Bolin", "Curd", "Finck", "Glanzer", "Greenfield (Brock)", "Greenfield (Lana)", "Kennedy", "Klumb", "Maher", "McCleerey", "Mills", "Novstrup", "Post", "Qualm", "Rasmussen", "Stalzer", "Weis"]
version_count: 6
action_count: 20
vote_count: 6
first_action: "2019-01-22"
last_action: "2019-03-29"
source: "openstates"
source_identifier: "ocd-bill/a9104aca-315f-4da1-b01d-374b6fb59e39"
source_url: "https://sdlegislature.gov/Legislative_Session/Bills/Bill.aspx?Bill=64&Session=2019"
source_hash: "c69637c8f8ea80a3e6d46df20da95f46e219114495295c83886cb3a44d589fbb"
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-sd"]
---

# South Dakota SB 64 (2019) — require certain wind energy facilities to include aircraft detection lighting systems.

## Version chain

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

1. **Amendment 64da** (committee substitute) — [source](https://sdlegislature.gov/Legislative_Session/Bills/Amendment.aspx?Amend=amd64da.htm)
2. **Amendment 64wa** (committee substitute) — [source](https://sdlegislature.gov/Legislative_Session/Bills/Amendment.aspx?Amend=amd64wa.htm)
3. **Amendment 64wb** (committee substitute) — [source](https://sdlegislature.gov/Legislative_Session/Bills/Amendment.aspx?Amend=amd64wb.htm)
4. **House Commerce and Energy** (committee substitute) — [source](https://sdlegislature.gov/Legislative_Session/Bills/Bill.aspx?File=SB64HCO.htm&Session=2019&Version=House Commerce and Energy&Bill=64)
5. **Printed** (committee substitute) — [source](https://sdlegislature.gov/Legislative_Session/Bills/Bill.aspx?File=SB64P.htm&Session=2019&Version=Printed&Bill=64)
6. **Enrolled** (enrolled) — [source](https://sdlegislature.gov/Legislative_Session/Bills/Bill.aspx?File=SB64ENR.htm&Session=2019&Version=Enrolled&Bill=64)

## Votes

- Do Pass Amended - 2019 — **66–0** (pass) · lower
- Concurred in amendments - 2019 — **32–0** (pass) · upper
- Do Pass - 2019 — **3–4** (fail) · upper
- Do Pass - 2019 — **32–1** (pass) · upper
- Do Pass - 2019 — **6–0** (pass) · upper
- Do Pass Amended - 2019 — **13–0** (pass) · lower

## Sponsors

- Blare — primary (person)
- Bolin — primary (person)
- Curd — primary (person)
- Finck — primary (person)
- Glanzer — primary (person)
- Greenfield (Brock) — primary (person)
- Greenfield (Lana) — primary (person)
- Kennedy — primary (person)
- Klumb — primary (person)
- Maher — primary (person)
- McCleerey — primary (person)
- Mills — primary (person)
- Novstrup — primary (person)
- Post — primary (person)
- Qualm — primary (person)
- Rasmussen — primary (person)
- Stalzer — primary (person)
- Weis — primary (person)

## Timeline

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

- **2019-01-22** First read in Senate and referred to Senate Commerce and Energy S.J. 140 `introduction, reading-1, referral-committee`
- **2019-01-31** Scheduled for hearing
- **2019-01-31** Commerce and Energy Motion to amend, Passed Amendment 64wa `amendment-introduction, amendment-passage`
- **2019-01-31** Commerce and Energy Do Pass, Failed, YEAS 3, NAYS 4. `committee-failure`
- **2019-02-07** Scheduled for hearing
- **2019-02-12** Scheduled for hearing
- **2019-02-14** Scheduled for hearing
- **2019-02-14** Commerce and Energy Motion to amend, Passed Amendment 64wb `amendment-introduction, amendment-passage`
- **2019-02-14** Commerce and Energy Do Pass, Passed, YEAS 6, NAYS 0. S.J. 380 `committee-passage`
- **2019-02-19** Senate Do Pass, Passed, YEAS 32, NAYS 1. S.J. 404 `passage`
- **2019-02-20** First read in House and referred to House Commerce and Energy H.J. 450 `introduction, reading-1, referral-committee`
- **2019-02-25** Scheduled for hearing
- **2019-02-25** Commerce and Energy Motion to amend, Passed Amendment 64da `amendment-introduction, amendment-passage`
- **2019-02-25** Commerce and Energy Do Pass Amended, Passed, YEAS 13, NAYS 0. H.J. 515 `committee-passage`
- **2019-02-27** House of Representatives Do Pass Amended, Passed, YEAS 66, NAYS 0. H.J. 577 `passage`
- **2019-03-04** Senate Concurred in amendments, Passed, YEAS 32, NAYS 0. S.J. 590
- **2019-03-05** Signed by the President S.J. 618
- **2019-03-06** Signed by the Speaker H.J. 670
- **2019-03-07** Delivered to the Governor on March 07, 2019 S.J. 642 `executive-receipt`
- **2019-03-29** Signed by the Governor on March 20, 2019 S.J. 732 `executive-signature`

## Source

OpenStates / OpenCivicData bulk snapshot [2026-07-01](https://data.openstates.org/daily/2026-07-01/public.pgdump); origin `ocd-bill/a9104aca-315f-4da1-b01d-374b6fb59e39`. Confidence: reported (aggregated from official South Dakota legislature records).