Legislation: batch B — IL IN KS KY LA MA MD ME MI MN

Co-Authored-By: Claude Opus 4.8 <noreply@anthropic.com>

legislation/us/states/md/2024/sb-570.md

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+---
+type: "Bill"
+title: "Public Utilities - Thermal Energy Network Systems - Authorization and Establishment (Working for Accessible Renewable Maryland Thermal Heat (WARMTH) Act)"
+description: "Public Utilities - Thermal Energy Network Systems - Authorization and Establishment (Working for Accessible Renewable Maryland Thermal Heat (WARMTH) Act)"
+jurisdiction: "us/states/md"
+legislature: "Maryland General Assembly"
+session: "2024"
+identifier: "SB 570"
+citation: "Maryland SB 570 (2024)"
+classification: ["bill"]
+subjects: []
+status: "enacted"
+primary_sponsors: ["Hester"]
+version_count: 3
+action_count: 17
+vote_count: 2
+first_action: "2024-01-25"
+last_action: "2024-05-09"
+source: "openstates"
+source_identifier: "ocd-bill/196aa7ff-9e5a-41b4-972a-1cddaa237159"
+source_url: "http://mgaleg.maryland.gov/mgawebsite/Legislation/Details/sb0570?ys=2024RS&search=True"
+source_hash: "9b16769fb2345085bd125281925f619c58f51e3049c07fb12da98e7466ef871b"
+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-md"]
+---
+
+# Maryland SB 570 (2024) — Public Utilities - Thermal Energy Network Systems - Authorization and Establishment (Working for Accessible Renewable Maryland Thermal Heat (WARMTH) Act)
+
+## Version chain
+
+The bill's text revisions, in order — the diff chain from filing to enrollment.
+
+1. **Chapter - Public Utilities - Thermal Energy Network Systems - Authorization and Establishment (Working for Accessible Renewable Maryland Thermal Heat (WARMTH) Act)** (committee substitute) — [source](http://mgaleg.maryland.gov/2024RS/Chapters_noln/CH_563_sb0570t.pdf)
+2. **First - Public Utilities - Thermal Energy Network Systems - Authorization and Establishment (Working for Accessible Renewable Maryland Thermal Heat (WARMTH) Act)** (committee substitute) — [source](http://mgaleg.maryland.gov/2024RS/bills/sb/sb0570f.pdf)
+3. **Third - Public Utilities - Thermal Energy Network Systems - Authorization and Establishment (Working for Accessible Renewable Maryland Thermal Heat (WARMTH) Act)** (committee substitute) — [source](http://mgaleg.maryland.gov/2024RS/bills/sb/sb0570t.pdf)
+
+## Votes
+
+- On Third Reading — **36–7** (pass) · upper
+- On Third Reading — **101–34** (pass) · lower
+
+## Sponsors
+
+- Hester — primary (person)
+
+## Timeline
+
+The legislative action history — every referral, reading, and vote.
+
+- **2024-01-25** First Reading Education, Energy, and the Environment `referral-committee`
+- **2024-01-26** Hearing 2/15 at 1:00 p.m.
+- **2024-02-06** Hearing canceled
+- **2024-02-06** Hearing 2/29 at 1:00 p.m.
+- **2024-03-29** Favorable with Amendments Report by Education, Energy, and the Environment `committee-passage-favorable`
+- **2024-03-29** Favorable with Amendments { `committee-passage-favorable`
+- **2024-03-29** Motion Laid Over (Senator Hershey) Adopted
+- **2024-04-01** Favorable with Amendments { `committee-passage-favorable`
+- **2024-04-01** Second Reading Passed with Amendments
+- **2024-04-02** Third Reading Passed `passage`
+- **2024-04-02** Referred Rules and Executive Nominations `referral-committee`
+- **2024-04-05** Rereferred to Economic Matters
+- **2024-04-08** Favorable Report by Economic Matters `committee-passage-favorable`
+- **2024-04-08** Favorable Adopted Second Reading Passed `committee-passage-favorable`
+- **2024-04-08** Third Reading Passed `passage`
+- **2024-04-08** Returned Passed
+- **2024-05-09** Approved by the Governor - Chapter 563 `executive-signature`
+
+## Source
+
+OpenStates / OpenCivicData bulk snapshot [2026-07-01](https://data.openstates.org/daily/2026-07-01/public.pgdump); origin `ocd-bill/196aa7ff-9e5a-41b4-972a-1cddaa237159`. Confidence: reported (aggregated from official Maryland legislature records).
+