Section 1 - Department of public utilities; seal

Section 2 - Commonwealth utilities commission; membership; appointment and terms; chairman; quorum; salaries; annual report

Section 2A - Energy advisory board; membership; duties

Section 3 - Commissioners; oath; interests in regulated industry companies

Section 4 - Chairman of commission; powers and duties; hearings; investigations; reports

Section 4A - Hearings on change of rates or reduction in or discontinuance of service; time and place

Section 4B - Authority of commissioner upon declaration of state of emergency

Section 4C - Action for appointment of receiver to oversee operation of investor-owned electric distribution, transmission or natural gas distribution company during existence of emergency

Section 5 - Rulings; orders; appeal; costs; staying enforcement; burden of proof; evidence

Section 5A - Witnesses; summonses; subpoenas; fees

Section 5B - Rules and regulations

Section 5C - Hazardous materials; rail transportation regulations

Section 5D - Trade secrets, confidential information; protection from disclosure; burden of proof

Section 5E - Audit of companies subject to jurisdiction of department; time of commencement; payment of costs; filing of results

Section 6 - Repealed, 1923, 227

Section 7 - Duties relative to common carriers; employees; division of railroad track inspection

Section 8 - Duties relative to common carriers; expenditures

Section 8A - Repealed, 1972, 694, Sec. 2

Section 9 - Duties relative to water, gas and electric companies; expenditures; employees

Section 9A - Repealed, 1934, 352, Sec. 2

Section 10 - Officers and employees; supervision and control

Section 10A - Repealed, 1934, 352, Sec. 4

Section 10B - Filing fees

Section 11, 12 - Repealed, 1935, 411, Sec. 1

Section 12A, 12B - Repealed, 1939, 442, Sec. 1

Section 12C to 12E - Repealed, 1954, 672, Sec. 1

Section 12E1/2 - Repealed, 2007, 19, Sec. 25

Section 12F - Transportation division

Section 12G - Investigations and inquiries

Section 12H to 12L - Repealed, 1977, 843, Sec. 2

Section 12M - Repealed, 1997, 164, Sec. 35

Section 12N - Facility siting division

Section 12O - Department of Telecommunications and Energy Trust Fund

Section 12P - Department of Public Utilities Storm Trust Fund

Section 13 to 16 - Repealed, 1928, 139, Sec. 1

Section 17 - Repealed, 1997, 164, Sec. 35

Section 17A - Repealed, 1997, 164, Sec. 36

Section 18 - Assessments upon energy companies based on intrastate revenues; rates; suspension of rates

Section 18A - Assessment against steam distribution companies; apportionment; time for payment; credit for unexpended funds

Section 19 - Funding for energy efficiency programs; mandatory charge per kilowatt-hour; other funding; gas energy efficiency programs; allocation of funds

Section 20 - Funding for development and promotion of renewable energy projects; mandatory charge per kilowatt-hour; election by certain municipal lighting plants

Section 21 - Energy efficiency and demand reduction resources cost-effective or less expensive than supply preferred; electric and natural gas efficiency investment plans; failure to reasonably comply with plan

Section 22 - Energy efficiency advisory council; membership; duties; quarterly report to council