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Massachusetts Bills

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Bill results

passed · Massachusetts · House Apr 6, 2026

H 4036: An Act authorizing the town of Brookline to adopt green zoning by-laws and regulations

This bill allows the town of Brookline to create its own zoning rules focused on reducing greenhouse gas emissions and improving energy efficiency in buildings. It directly affects Brookline residents, property owners, and developers by enabling local regulations on building materials, solar systems, heating/cooling equipment, and utility connections (like electric vehicle charging). Key provisions protect these local rules from being blocked by the state Attorney General, covering areas like emissions from construction, building energy use, and renewable energy infrastructure. The bill specifically authorizes Brookline to implement measures addressing climate impacts through zoning, without conflicting with state building codes or utility regulations.
Tommy Vitolo (D) · 1 co-sponsor
passed · Massachusetts · House Apr 6, 2026

H 3541: An Act for greenhouse gas measuring and accounting truth

HD 3057 requires Massachusetts to revise how it measures and reports greenhouse gas emissions. It mandates that the state's emissions inventory use 20-year timeframes for short-lived gases (like methane) and 100-year timeframes for long-lived gases (like CO2), applying updated methods retroactively to 1990. The bill also requires the state environmental department to conduct independent, ongoing monitoring of emissions using direct measurements and publicly share the data for comparison with annual reports. This directly affects the state's environmental agency, which must now publish detailed, science-based emissions data meeting these new standards.
Steve Owens (D)
passed · Massachusetts · House Apr 6, 2026

H 3528: An Act encouraging advanced leak repair technology and renewable thermal energy infrastructure

This bill amends a 2016 law to ensure utilities can fully recover costs for two specific investments: advanced leak repair technology and utility-scale renewable thermal energy infrastructure. It requires the Department of Public Utilities to allow these expenses to be recovered as part of a cost-effective plan, without reducing the amount recoverable for eligible pipe replacement projects. The change directly affects utility companies that deploy these technologies, making it financially feasible for them to adopt cleaner infrastructure. The key mechanism removes a prior limitation that could have reduced cost recovery for these specific renewable and efficiency measures.
Joan Meschino (D)
passed · Massachusetts · House Apr 6, 2026

H 3488: An Act relative to tax incentives for building to NetZero Standards

This bill (HD 1855) requires Massachusetts' Department of Energy Resources to analyze the cost impacts of energy regulations on housing affordability. Specifically, it directs the department to assess: (1) the added cost for builders under each regulation compared to no regulation, (2) the total cost burden on housing production, and (3) existing programs that might offset these costs to keep housing prices stable. The department must report these findings to legislative committees by December 31, 2026. The bill does not create new tax incentives or change regulations - it only mandates a study to inform future policy.
Chris Flanagan (D)
passed · Massachusetts · House Apr 6, 2026

H 3564: An Act relative to infrastructure replacement projects

HD 2646, titled "An Act relative to infrastructure replacement projects," is currently a draft under development by House Counsel. The provided context indicates it is not yet finalized, with no substantive provisions or policy details available in the document. As a draft, the bill's specific mechanisms, affected parties, or concrete changes cannot be summarized at this time. A complete summary requires access to the finalized bill text.
passed · Massachusetts · House Apr 6, 2026

H 3571: Resolve establishing a commission to consider the inclusion of nuclear energy in Massachusetts' future energy planning

HD 1623 creates a 15-member commission to study whether Massachusetts should include nuclear power in its future energy planning. The commission will examine nuclear power's benefits, challenges, economics, and environmental impact compared to other energy sources, including the costs of excluding it. It must submit findings and recommendations to the legislature by December 1, 2026. This bill establishes a study process only; it does not change energy policy or mandate any specific action.
Margaret Scarsdale (D) · 2 co-sponsors
passed · Massachusetts · House Apr 6, 2026

H 3512: An Act establishing a special legislative commission to study small modular reactors

This bill establishes a legislative commission to study small modular reactors (SMRs) as a potential baseload power source. The commission will specifically examine how SMRs can work with renewable energy to improve grid stability, and evaluate non-light water coolants for safety and operational effects. The commission includes key energy committee chairs, legislative leaders, and state agency heads, and must submit a report within one year of the bill's passage. The bill itself creates no new regulations or funding but directs a formal study to inform future energy policy decisions.
Brad Jones (R) · 5 co-sponsors
passed · Massachusetts · House Apr 6, 2026

H 3553: An Act regarding the reform of Class 2 regulations

HD 4260 requires Massachusetts retail electric suppliers to provide at least 34.75% of their electricity sales from designated "Class II" renewable sources starting January 1, 2009. It directly affects all retail electric suppliers serving customers in Massachusetts. Key provisions define Class II sources (including solar, wind, existing hydro under strict limits, landfill gas, and specific biofuels), mandate that 34.75% of revenue from renewable energy certificates must fund approved recycling programs, and impose specific restrictions on hydroelectric facilities (e.g., no new dams, max 7.5 MW, existing facilities only). The bill aims to increase renewable energy usage through these specific sourcing requirements and funding mechanisms.
Dave Robertson (D)
passed · Massachusetts · House Apr 6, 2026

H 3579: An Act providing for a wind-farm study

HD 68 requires a state official to commission an environmental impact study before any offshore wind turbine installation can begin. The study must examine effects on water, ocean floor, and marine life near the proposed site. Developers must wait for this study to be completed and reported to legislative committees at least 180 days prior to installation. This bill directly affects offshore wind energy developers and focuses on requiring environmental review before projects proceed.
Marcus Vaughn (R) · 1 co-sponsor
passed · Massachusetts · House Apr 6, 2026

H 3585: An Act establishing a special commission to study the potential risks to cities and towns from the onshore electrical infrastructure supporting offshore wind energy generation projects

HD 756 establishes a 15-member commission to study risks from onshore electrical infrastructure supporting offshore wind projects in Massachusetts. The commission will examine potential financial, environmental, public health, and safety impacts - including risks from transmission lines, substations, hazardous material releases, water supply contamination, and cleanup costs - directly affecting cities and towns hosting this infrastructure. Key provisions require the commission to assess needs for state indemnification of municipalities, implement risk assessments, and develop emergency response plans. The commission must submit findings and recommendations to the Governor and legislature every six months, with public hearings held in host communities. This bill does not enact new laws but mandates a study to inform future policy.
Steve Xiarhos (R) · 1 co-sponsor
passed · Massachusetts · House Apr 6, 2026

H 3501: An Act supporting climate progress through sustainably developed offshore wind

This bill establishes an advisory council to minimize harm to wildlife - like North Atlantic right whales and coastal habitats - from offshore wind projects, requiring input on monitoring and mitigation plans. It creates a program giving priority access to state grants (such as MassWorks and Housing Choice) for communities hosting offshore wind facilities, aiming to support local economic development. A special commission will study Massachusetts' offshore wind supply chain, manufacturing jobs, and equity impacts, reporting by June 2026. The bill directly affects wildlife protection agencies, coastal communities hosting projects, and the offshore wind industry, with key changes focused on environmental safeguards and community benefits.
Rich Haggerty (D) · 17 co-sponsors
passed · Massachusetts · House Apr 6, 2026

H 3454: An Act relative to offshore wind

This bill amends Massachusetts' offshore wind energy law to increase the required renewable energy capacity from 5,600 to 8,000 megawatts. It moves the deadline for utilities to meet this target from June 30, 2027, to March 31, 2027, while requiring them to secure long-term contracts for 5,600 MW by December 31, 2026. The bill also shortens a planning timeframe from 24 to 18 months and removes a qualifying phrase about applicability. These changes directly affect utility companies responsible for implementing Massachusetts' offshore wind energy goals.
Tony Cabral (D)
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