DPU Regulations Disclaimer
The regulations posted here are provided for information only. The posted regulations are not the official version of the Code of Massachusetts Regulations (CMR). The official version of the CMR is available through the State Bookstore, State House, Room 116, Boston, MA 02133. Please contact the State Bookstore for pricing information.
220 CMR 1.00 - 16.00
- 220 CMR 1.00: Procedural Rules - Effective June 17, 2016
- 220 CMR 2.00: Rules for Adopting, Amending or Repealing Regulations and for Issuing Advisory Rulings - Effective June 17, 2016
- 220 CMR 3.00 and 4.00: Reserved
- 220 CMR 5.00: Tariffs, Schedules and Contracts (Other Than Carriers of Property by Motor Vehicle) - Effective September 8, 2017
- 220 CMR 6.00: Standard Cost of Gas Adjustment Clause - Effective June 17, 2016
- 220 CMR 7.00: Residential Energy Conservation Service Program Cost Recovery
- 220 CMR 8.00: Sales of Electricity by Qualifying Facilities and On-Site Generating Facilities to Distribution Companies, and Sales of Electricity by Distribution Companies to Qualifying Facilities and On-Site Generation Facilities
- 220 CMR 9.00 and 10.00: Reserved
- 220 CMR 11.00: Rules Governing the Restructuring of the Electric Industry – Effective June 17, 2016
- 220 CMR 12.00: Standards of Conduct for Distribution Companies and Their Affiliates
- 220 CMR 13.00: Reserved
- 220 CMR 14.00: The Unbundling of Services Related to the Provision of Natural Gas – Effective June 17, 2016
- 220 CMR 15.00 and 16.00: Reserved
220 CMR 17.00 - 30.00
- 220 CMR 17.00: Long-term Contracts for Renewable Energy
- 220 CMR 18.00: Net Metering - Effective March 1, 2024
- 220 CMR 19.00: Standards of Performance for Emergency Preparation and Restoration of Service for Electric Distribution and Gas Companies – Effective January 27, 2017
- 220 CMR 20.00: Steam Distribution Companies – Effective April 29, 2022
- 220 CMR 21.00: Competitively Solicited Long-term Contracts for Renewable Energy
- 220 CMR 22.00: Notification of Vegetation Maintenance Activities for Transmission Rights-of-way
- 220 CMR 23.00: Competitively Solicited Long-term Contracts for Offshore Wind Energy – Effective March 24, 2017
- 220 CMR 24.00: Competitively Solicited Long-term Contracts for Clean Energy – Effective March 24, 2017
- 220 CMR 25.00: Billing and Termination Procedures of the Department of Public Utilities
- 220 CMR 26.00: Security Deposits and Late Payment Charges Applicable to Non-Residential Customers – Effective September 8, 2017
- 220 CMR 27.00: Elimination of the Practice of Gas and Electric Companies of Requiring a Deposit from Residential Customers as a Condition to Furnishing Utility Service
- 220 CMR 28.00: Billing Regulations for Condominiums
- 220 CMR 29.00: Billing Procedures for Residential Rental Property Owners Cited for Violation of the State Sanitary Code 105 CMR 410.354 or 105 CMR 410.254
- 220 CMR 30.00: Reserved
220 CMR 31.00 - 98.00
- 220 CMR 31.00: Optional Formula for Determining Allowed Rates of Return on Equity for Water Companies
- 220 CMR 32.00 through 35.00: Reserved
- 220 CMR 36.00: Sample Test Procedures for New Residential and Small Commercial Gas Meters - Effective December 11, 2020
- 220 CMR 37.00 through 44.00: Reserved
- 220 CMR 45.00: Pole Attachment, Conduit, Duct and Right-of-way Complaint and Enforcement Procedures - Effective December 24, 2021
- 220 CMR 46.00 through 49.00: Reserved
- 220 CMR 50.00: Uniform System of Accounts for Gas Companies
- 220 CMR 51.00: Uniform System of Accounts for Electric Companies
- 220 CMR 52.00: Uniform System of Accounts for Water Companies
- 220 CMR 53.00 through 68.00: Reserved
- 220 CMR 69.00: Procedures for the Determination and Enforcement of Violations of Safety Codes Pertaining to Pipeline Facilities, Transportation of Natural Gas, Liquefied Natural Gas Facilities, and Steam Distribution Facilities - Effective December 11, 2020
- 220 CMR 70.00 through 74.00: Reserved
- 220 CMR 75.00: The Preservation of Records of Electric, Gas and Water Utilities
- 220 CMR 76.00: Reserved
- 220 CMR 77.00: Voting Trust Certificates of Public Utilities – Effective June 17, 2016
- 220 CMR 78.00: Accounting Treatment of Investment Tax Credit for Utilities
- 220 CMR 79.00: Annual Return to be Filed by Gas and Electric Companies and Municipal Lighting Plants – Effective June 17, 2016
- 220 CMR 80.00 through 98.00: Reserved
220 CMR 99.00 - 124.00
- 220 CMR 99.00: Procedures for the Determination and Enforcement of Violations of Safety Codes Pertaining to Damage Prevention – Effective August 16, 2024
- 220 CMR 100.00: Massachusetts Code for Storage, Transportation, and Distribution of Gas - Effective October 11, 2024
- 220 CMR 101.00: Massachusetts Natural Gas Pipeline Safety Code – Effective October 11, 2024
- 220 CMR 102.00 through 104.00: Reserved
- 220 CMR 105.00: Use of Professional Engineers for Gas Utility Work – Effective October 15, 2021
- 220 CMR 106.00: Reserved
- 220 CMR 107.00: Abandonment of Gas Service Lines and Leakage Survey Procedures - Effective December 11, 2020
- 220 CMR 108: Reserved
- 220 CMR 109.00: Design, Construction, Operation, and Maintenance of Intrastate Pipelines Operating in Excess of 200 PSIG - Effective December 11, 2020
- 220 CMR 110.00: Reserved
- 220 CMR 111.00: Construction of Streets, Places and Ways, Except Residential Driveways, Over, Along or Across High Pressure Gas Mains Operating at Pressures in Excess of 200 PSIG - Effective December 11, 2020
- 220 CMR 112.00: Design, Operation, Maintenance and Safety of Liquefied Natural Gas (LNG) Plants and Facilities - Effective December 11, 2020
- 220 CMR 113.00: Operation Maintenance, Replacement, and Abandonment of Cast-Iron Pipelines - Effective December 11, 2020
- 220 CMR 114.00: Uniform Natural Gas Leaks Classification – Effective March 22, 2019
- 220 CMR 115.00: Uniform Reporting of Lost and Unaccounted-for Gas - Effective December 27, 2019
- 220 CMR 116.00 through 124.00: Reserved
220 CMR 125.00 - 220 CMR 274.00
- 220 CMR 125.00: Installation and Maintenance of Electric Transmission Lines
- 220 CMR 126.00: Underground Electric Supply and Communication Lines 50,000 Volts and Below
- 220 CMR 127.00 through 148.00: Reserved
- 220 CMR 149.00: Procedures for the Determination of Violations and for Enforcement of M.G.L. c. 159A and M.G.L. c. 159B
- 220 CMR 150.00: Reserved
- 220 CMR 151.00: Rail Fixed Guideway System: System Safety/Security Program Standard - Effective December 15, 2017
- 220 CMR 152.00: Sureties Required of Operators of Motor Vehicles for the Carriage of Passengers for Hire
- 220 CMR 153.00 through 154.00: Reserved
- 220 CMR 155.00: Operation of Motor Vehicles for the Carriage of Passengers for Hire Under a Certificate of Public Convenience and Necessity, Charter License, Special Service or School Service Permit
- 220 CMR 156.00: Transportation of Hazardous Materials by Rail
- 220 CMR 157.00 through 249.00: Reserved
- 220 CMR 250.00: Transportation Oversight Division Practice
- 220 CMR 251.00 through 259.00: Reserved
- 220 CMR 260.00: Motor Carriers and Brokers
- 220 CMR 261.00 through 271.00: Reserved
- 220 CMR 272.00: Rates for the Towing of Motor Vehicles - Effective December 13, 2023
- 220 CMR 273.00: Reserved
- 220 CMR 274.00: Transportation Network Companies - Effective September 22, 2017