Code of Massachusetts Regulations 225 CMR - DEPARTMENT OF ENERGY RESOURCES
Here’s an updated overview of 225 CMR — Department of Energy Resources, which governs Massachusetts’s energy programs and regulations (mass.gov):
📋 Title & Table of Contents
Massachusetts’s Title 225 of the Code of Massachusetts Regulations (CMR) covers various Department of Energy Resources (DOER) programs, including:
225 CMR 4.00 – Residential Conservation Service Program (mass.gov)
225 CMR 9.00 – Appliance Energy‑Efficiency Standards
225 CMR 10.00 – Energy Management Services (EMS) Contracts RFP Process
225 CMR 13.00 – DOER CO₂ Budget Trading Program Auction Regulation
225 CMR 14.00 & 15.00 – Renewable Energy Portfolio Standard (Class I & II)
225 CMR 16.00 – Alternative Energy Portfolio Standard (APS)
225 CMR 19.00 – EMS Contracts Requests for Qualifications Process
225 CMR 20.00 – Solar Massachusetts Renewable Target (SMART) Program
225 CMR 21.00 – Clean Peak Energy Portfolio Standard (CPS) (mass.gov)
225 CMR 22.00 & 23.00 – Massachusetts Stretch Energy Codes (residential and commercial/multifamily) – amendments effective early 2025 (mass.gov)
225 CMR 24.00 – Municipal Fossil Fuel Free Building Projects
225 CMR 25.00 – Green Communities Program participation for municipalities with municipal light plants (mass.gov)
225 CMR 26.00 – MOR‑EV (Electric Vehicle Rebates)
225 CMR 27.00 – Large Building Energy Reporting (annual reporting requirement for buildings > 20,000 sq ft) (mass.gov, mclane.com)
✳️ Highlighted Regulations in More Detail
✓ 225 CMR 21.00 – Clean Peak Energy Portfolio Standard
Implemented January 3, 2025, this establishes incentives for generating clean energy during peak electricity demand periods (mass.gov).
✓ 225 CMR 22.00 & 23.00 – Massachusetts Stretch Energy Codes
22.00 (residential, low‑rise): Reflects 2025 amendments aligning with IECC 2021/IRC 2021.
23.00 (commercial, multifamily): Aligns with IECC 2021 and ASHRAE 90.1‑2019, effective February 14, 2025 (law.cornell.edu).
✓ 225 CMR 25.00 – Green Communities Program
Details eligibility and application processes for municipalities served by municipal light plants to join the state’s Green Communities grant program (malegislature.gov).
✓ 225 CMR 27.00 – Large Building Energy Reporting
Effective June 2025, it mandates that owners of buildings over 20,000 sq ft report energy usage annually by June 30 (including fuel sources like heating oil, propane, on-site renewables), with penalties up to $150/day for non-compliance (mclane.com).
📄 Example: 225 CMR 4.01 – Definitions
Within the Residential Conservation Service Program, definitions include terms like:
Ancillary Services, Audit, Coalition Action Plan, DOER, Program Vendor, RCS Program Administrator, etc., current through March 14, 2025 (regulations.justia.com).
🔍 How to Access These Regulations
You can view or download official versions via:
Mass.gov Law Library (e.g. 225 CMR, download PDFs of sub‑parts) (mass.gov)
Dept. of the Secretary of Commonwealth’s Bookstore (printed CMR) (sec.state.ma.us)
Legal reference sites (e.g. Cornell LII, Justia, etc.)
✅ Do You Need Help With Something Specific?
Let me know if you’d like:
A direct link or PDF of a specific section
Details on what compliance requires under a particular CMR (e.g., large buildings, EV rebates, stretch code)
A summary comparison of versions or compliance deadlines
I can dive deeper or guide you to the exact regulatory text
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