---
type: "Bill"
title: "AN ACT TO AMEND TITLE 26 OF THE DELAWARE CODE RELATING TO RENEWABLE ENERGY PORTFOLIO STANDARDS."
description: "This Act modifies the Renewable Energy Portfolio Standards Act to do the following:"
jurisdiction: "us/states/de"
legislature: "Delaware General Assembly"
session: "151"
identifier: "SB 33"
citation: "Delaware SB 33 (151)"
classification: ["bill"]
subjects: []
status: "enacted"
primary_sponsors: ["Debra Heffernan", "Edward S. Osienski", "Sarah McBride", "Sherae'a Moore", "Stephanie L. Hansen", "William Bush"]
version_count: 1
action_count: 10
vote_count: 2
first_action: "2021-01-12"
last_action: "2021-02-10"
source: "openstates"
source_identifier: "ocd-bill/ed8e9f14-955a-4180-beed-71674bd7bbaa"
source_url: "https://legis.delaware.gov/BillDetail?LegislationId=48278"
source_hash: "ac414802a335225d8d1d7f69fe228e49fecbdce7627c80585f16c29915a0cb71"
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-de"]
---

# Delaware SB 33 (151) — AN ACT TO AMEND TITLE 26 OF THE DELAWARE CODE RELATING TO RENEWABLE ENERGY PORTFOLIO STANDARDS.

This Act modifies the Renewable Energy Portfolio Standards Act to do the following:

## Version chain

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

1. **Bill Text** (committee substitute) — [source](https://legis.delaware.gov/json/BillDetail/GenerateHtmlDocument?legislationId=48278&legislationTypeId=1&docTypeId=2&legislationName=SB33)

## Votes

- SM — **13–8** (pass) · upper
- SM — **29–12** (pass) · lower

## Sponsors

- Debra Heffernan — primary (person)
- Edward S. Osienski — primary (person)
- Sarah McBride — primary (person)
- Sherae'a Moore — primary (person)
- Stephanie L. Hansen — primary (person)
- William Bush — primary (person)
- Bryan Townsend — cosponsor (person)
- Darius J. Brown — cosponsor (person)
- David Bentz — cosponsor (person)
- David P. Sokola — cosponsor (person)
- Eric Morrison — cosponsor (person)
- Gerald L. Brady — cosponsor (person)
- John A. Kowalko — cosponsor (person)
- John L. Mitchell — cosponsor (person)
- Krista Griffith — cosponsor (person)
- Kyle Evans Gay — cosponsor (person)
- Laura V. Sturgeon — cosponsor (person)
- Madinah Wilson-Anton — cosponsor (person)
- Marie Pinkney — cosponsor (person)
- Nicole Poore — cosponsor (person)
- Paul S. Baumbach — cosponsor (person)
- S. Elizabeth Lockman — cosponsor (person)
- Sean M. Lynn — cosponsor (person)
- Sherry Dorsey Walker — cosponsor (person)
- Spiros Mantzavinos — cosponsor (person)
- Trey Paradee — cosponsor (person)

## Timeline

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

- **2021-01-12** Introduced and Assigned to Environment & Energy Committee in Senate `introduction, referral-committee`
- **2021-01-19** Reported Out of Committee (Environment & Energy) in Senate with 3 Favorable, 1 On Its Merits, 1 Unfavorable `committee-passage, committee-passage-favorable, committee-passage-unfavorable`
- **2021-01-21** Passed By Senate. Votes: 13 YES 8 NO `passage`
- **2021-01-22** Assigned to Natural Resources Committee in House `introduction, referral-committee`
- **2021-01-26** Reported Out of Committee (Natural Resources) in House with 6 Favorable, 2 Unfavorable `committee-passage, committee-passage-favorable, committee-passage-unfavorable`
- **2021-01-28** Amendment HA 1 to SB 33 - Defeated By House. Votes: 15 YES 26 NO `amendment-failure`
- **2021-01-28** Amendment HA 2 to SB 33 - Defeated By House. Votes: 15 YES 26 NO `amendment-failure`
- **2021-01-28** Amendment HA 3 to SB 33 - Defeated By House. Votes: 15 YES 26 NO `amendment-failure`
- **2021-01-28** Passed By House. Votes: 29 YES 12 NO `passage`
- **2021-02-10** 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/ed8e9f14-955a-4180-beed-71674bd7bbaa`. Confidence: reported (aggregated from official Delaware legislature records).