---
type: "Bill"
title: "A bill for an act relating to energy efficiency reporting requirements applicable to certain gas and electric utilities. (Formerly SSB 1044.) Effective 7-1-17."
description: "A bill for an act relating to energy efficiency reporting requirements applicable to certain gas and electric utilities. (Formerly SSB 1044.) Effective 7-1-17."
jurisdiction: "us/states/ia"
legislature: "Iowa General Assembly"
session: "2017-2018"
identifier: "SF 331"
citation: "Iowa SF 331 (2017-2018)"
classification: ["bill"]
subjects: ["electric utilities", "electricity", "energy use", "gas utilities", "natural gas", "utilities"]
status: "enacted"
primary_sponsors: []
version_count: 2
action_count: 17
vote_count: 2
first_action: "2017-02-23"
last_action: "2017-03-22"
source: "openstates"
source_identifier: "ocd-bill/f5104c3a-0870-4c10-9328-f3f9b70bbf44"
source_url: "https://www.legis.iowa.gov/legislation/billTracking/billHistory?billName=SF 331&ga=87"
source_hash: "3a46f3fcfb89690e286661763512ec86141e6886c15d96e940a0b58591a8e24d"
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-ia"]
---

# Iowa SF 331 (2017-2018) — A bill for an act relating to energy efficiency reporting requirements applicable to certain gas and electric utilities. (Formerly SSB 1044.) Effective 7-1-17.

## Version chain

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

1. **Introduced** (filed) — [source](https://www.legis.iowa.gov/docs/publications/LGI/87/attachments/SF331.html)
2. **Enrolled** (enrolled) — [source](https://www.legis.iowa.gov/docs/publications/LGE/87/attachments/SF331.html)

## Votes

- Shall the bill pass? — **95–0** (pass) · lower
- Shall the bill pass? — **48–0** (pass) · upper

## Timeline

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

- **2017-02-23** Introduced, placed on calendar. `introduction`
- **2017-02-23** Committee report, approving bill.
- **2017-03-09** Passed Senate, ayes 48, nays 0. `passage`
- **2017-03-13** Explanation of vote.
- **2017-03-09** Immediate message.
- **2017-03-09** Message from Senate.
- **2017-03-09** Read first time, passed on file. `reading-1`
- **2017-03-10** Placed on calendar under unfinished business.
- **2017-03-13** Substituted for HF 442.
- **2017-03-13** Passed House, ayes 95, nays 0. `passage`
- **2017-03-13** Explanation of vote.
- **2017-03-22** Explanation of vote.
- **2017-03-13** Immediate message.
- **2017-03-14** Message from House.
- **2017-03-21** Reported correctly enrolled, signed by President and Speaker.
- **2017-03-21** Sent to Governor. `executive-receipt`
- **2017-03-22** Signed by Governor. `executive-signature`

## Source

OpenStates / OpenCivicData bulk snapshot [2026-07-01](https://data.openstates.org/daily/2026-07-01/public.pgdump); origin `ocd-bill/f5104c3a-0870-4c10-9328-f3f9b70bbf44`. Confidence: reported (aggregated from official Iowa legislature records).