Energy

passed · Massachusetts · House Apr 9, 2026

H 3511: An Act relative to lithium-ion batteries

This bill establishes a Lithium-Ion Car Battery Advisory Group within Massachusetts' Executive Office of Energy and Environmental Affairs. The group, composed of state officials, industry representatives, and legislative appointees, will review and advise the legislature on policies for recovering and recycling lithium-ion vehicle batteries sold in the state. It must consult with universities, battery manufacturers, and recyclers, and submit a final report to state agencies and committees within one year of the bill's passage. The bill directly affects state policymakers and the battery recycling industry by creating a structured process for developing future recycling policies.

Topics ✓ EnergySupports EnergyCreates lithium-ion battery advisory group under Energy Office, advancing EV/renewable infrastructure development and battery tech policy.95% confidence

Sub-Topics Energy Storage

Track

passed · Massachusetts · Senate Jan 12, 2026

S 2433: An Act electrifying Regional Transit Authorities

This bill requires Massachusetts regional transit authorities to transition their bus fleets to electric vehicles by 2035, with specific procurement targets: 40% of new buses must be electric by 2028, 60% by 2030, and 80% by 2032. Authorities must prioritize electric buses on routes serving environmental justice communities (as defined in state law) and conduct community outreach with residents, municipal officials, and advocates in these areas. The bill establishes a new state office within the Department of Transportation by 2026 to support planning, procurement, and worker retraining for the transition, while mandating annual reports on progress and reasons for any continued use of fossil fuel vehicles.

Topics ✓ EnergySupports EnergyElectrifying transit authorities advances renewable energy infrastructure and reduces fossil fuel dependence in transportation, aligning with clean energy promotion indicators.95% confidence ✓ TransportationSupports TransportationBill explicitly aims to electrify Regional Transit Authorities, advancing sustainable public transit infrastructure through modernization and funding.95% confidence

Sub-Topics Electric Vehicles Public Transit

Track

passed · Massachusetts · House Feb 25, 2026

H 3631: An Act to build future-forward parking structures to promote EV equity and walkable downtowns

HD 3178 establishes a state-funded matching grant program (the "Equitable EV Facilities Matching Fund") to help cities and towns finance parking facility projects with electric vehicle (EV) charging stations. The bill requires eligible projects to reduce downtown surface parking, provide affordable EV charging in dense housing areas, support housing growth, and follow urban design standards. Municipalities receive reimbursement for project costs (ranging from 30% to 80% based on local median income) after completing work that meets the fund's standards. This program directly affects local governments seeking to modernize parking infrastructure while advancing EV access and downtown walkability.

Topics ✓ EnergySupports EnergyBill creates program for EV charging stations in municipal parking, directly advancing clean energy infrastructure and promoting electric vehicle adoption as part of transportation policy.95% confidence ✓ TransportationSupports TransportationFunds construction of EV charging stations in municipal parking facilities, promoting sustainable transportation infrastructure per bill's purpose.95% confidence

Sub-Topics Electric Vehicles Electric Vehicles

Track

passed · Massachusetts · House Mar 30, 2026

H 4041: An Act promoting environmental justice in Massachusetts

The bill HD 4234 ("An Act promoting environmental justice in Massachusetts") is currently a draft under review by House Counsel, with no substantive text or provisions available in the provided context. As a draft, it has not yet been formally introduced or detailed, so specific mechanisms, affected parties, or policy changes cannot be described. The summary section of the document is empty, indicating no official description is currently accessible. Without finalized text, a factual summary of its provisions or impact is not possible at this time.

Topics ✓ EnergySupports EnergyEstablishes green zone office within Energy and Environmental Affairs, advancing environmental justice through clean energy infrastructure and equitable access, aligning with renewable energy promotion indicators.85% confidence ✓ EnvironmentSupports EnvironmentCreates office of green zone administration under environmental agency to advance environmental justice and address disproportionate environmental impacts.95% confidence

Sub-Topics Environmental Justice

Track

passed · Massachusetts · House Apr 15, 2026

H 3753: An Act relative to setting deadlines to electrify the commuter rail

This bill requires the Massachusetts Bay Transportation Authority (MBTA) to provide fully electric commuter rail service on specific lines by 2029 and across the entire system by December 31, 2035. It mandates the MBTA to develop detailed short-term, medium-term, and long-term plans for electrification, including timelines, funding needs, and infrastructure upgrades, with public comment periods required before finalizing these plans. The short-term plan must prioritize the Providence/Stoughton, Fairmount, and Boston-to-Beverly segments of the Newburyport/Rockport lines for full electrification by 2029, while also considering environmental justice areas for future expansion. The bill directly affects MBTA commuter rail operations, setting concrete deadlines for transitioning to zero-emission trains and requiring specific planning mechanisms to meet state climate goals.

Topics ✓ EnergySupports EnergyElectrifying commuter rail reduces fossil fuel dependence and advances clean energy infrastructure, aligning with support indicators for renewable energy transition.95% confidence ✓ EnvironmentSupports EnvironmentElectrifying commuter rail reduces diesel emissions and supports clean energy transition in transportation, directly advancing environmental protection.90% confidence ✓ TransportationSupports TransportationBill mandates electrification deadlines for commuter rail, advancing sustainable public transit infrastructure and aligning with transportation modernization goals.90% confidence

Sub-Topics Rail

Track

passed · Massachusetts · Senate Dec 4, 2025

S 2299: An Act relative to green jobs

This bill creates the Massachusetts Energy Efficiency Authority and establishes the Massachusetts Green Jobs Loan Fund to provide loans for energy efficiency upgrades in residential, multi-family, and non-residential buildings. Repayment for these loans occurs through on-bill recovery charges added directly to customers' utility bills, with residential projects initially receiving at least half of the fund's resources. Utility companies must implement billing systems for these charges within 300 days, starting with a limit of 0.5% of their customers, and receive fees to cover program costs. The authority can adjust the customer cap or suspend the program if significant arrears or disconnections occur.

Topics ✓ EnergySupports EnergyBill establishes energy efficiency authority and green jobs loan fund, directly advancing renewable energy infrastructure and clean job creation per title and summary.95% confidence ✓ EnvironmentSupports EnvironmentEstablishes energy efficiency authority and green jobs program, directly promoting clean energy initiatives and environmental protection through funding and policy.95% confidence

Sub-Topics Energy Efficiency

Track

passed · Massachusetts · Senate Jun 25, 2026

S 2281: An Act bringing Mass Save in line with climate mandates

This bill modifies Massachusetts' energy efficiency funding rules to prioritize decarbonization efforts. It removes all references to "gas energy efficiency programs" and "natural gas" from the law, redirecting funding toward projects administered by electric distribution companies and certified municipal aggregators. The changes require all energy efficiency and cooling projects to explicitly include decarbonization goals, aligning programs with state climate mandates. These updates affect how energy efficiency funding is allocated and managed, shifting focus from gas-focused initiatives to broader carbon reduction efforts.

Topics ✓ EnergySupports EnergyBill aligns MassSave energy efficiency program with climate mandates, strengthening renewable energy infrastructure and efficiency standards per climate goals.90% confidence ✓ EnvironmentSupports EnvironmentBill explicitly aligns MassSave energy efficiency program with climate mandates, advancing environmental protection and emissions reduction goals.95% confidence

Track

passed · Massachusetts · House Apr 6, 2026

H 3575: An Act relative to the Mass Save program

This bill (HD 2834) modifies Massachusetts' Mass Save energy efficiency program to require point-of-sale rebates for qualifying heat pumps. It directly affects residential and commercial customers purchasing eligible heat pumps who already meet Mass Save program criteria. The key provision adds a new subsection to state law mandating that rebates be provided at the time of purchase, rather than through separate reimbursement processes. This change simplifies the rebate process for customers without altering eligibility requirements for the program. The bill focuses solely on streamlining how rebates are delivered, with no additional funding or program expansions specified.

Topics ✓ EnergySupports EnergyBill provides rebates for Mass Save energy efficiency program, directly promoting reduced consumption and clean infrastructure investment under energy efficiency focus.95% confidence

Track

passed · Massachusetts · House Apr 6, 2026

H 3523: An Act relative to the electrification of new and substantially remodeled or rehabilitated

HD 1720 requires new commercial buildings and those substantially remodeled (affecting 50%+ of floor area) to use electricity instead of fossil fuels for heating, cooling, cooking, and clothes drying, effective January 1, 2026. It specifically targets biolabs and hospitals with phased emissions limits (e.g., hospitals must reduce emissions to 2.4 kg CO2e/sq ft annually by 2045) and mandates net-zero carbon by 2050 for biolabs. The bill includes limited exemptions for freestanding appliances, emergency generators, and hot water systems where electric alternatives are cost-prohibitive. The Department of Energy Resources will create implementation rules, and municipalities may enforce penalties for violations.

Topics ✓ EnergySupports EnergyMandates electrification of buildings, reducing fossil fuel dependence and advancing clean energy transition through building standards.95% confidence

Track

passed · Massachusetts · House Apr 6, 2026

H 3477: An Act relative to clean lighting and appliance efficiency standards

This bill bans the sale and distribution of most mercury-based fluorescent lamps (including common screw/bayonet CFLs and linear tubes) starting January 1, 2027, directly affecting retailers and manufacturers. Exceptions include specialized lamps for medical devices, photography, germicidal use, industrial processes, and vehicles manufactured before 2020. Violations may result in civil penalties of up to $100 for first offenses and $500 for repeated violations. The law focuses on phasing out specific lighting technologies while maintaining exemptions for essential non-residential applications.

Topics ✓ EnergySupports EnergyBill establishes efficiency standards for lighting/appliances, directly promoting energy conservation and reducing waste - core support indicator for energy efficiency policies.95% confidence

Sub-Topics Energy Efficiency

Track