What to know about the new Mass. climate law (2023)

Less than two years after enacting a sweeping climate law, Massachusetts is at it again. On Thursday, Gov. Charlie Baker signed the so-called "Act Driving Clean Energy and Offshore Wind" bill into law.

The new law builds on the 2021 law by providing more details about how the state can meet its ambitious climate targets and clean energy goals for 2050 and beyond.

The full text of the legislationis almost 100 pages, and it's pretty dense reading. If you're looking for the highlights, we have you covered.

Here is what you should know about Massachusetts' new climate law:

Clean energy

Invests in offshore wind industry

One of the main goals of this law is to aid and expand the offshore wind industry — and specifically, to do so in a way that maximizes and equitably distributes economic and environmental benefits. To this end, the law does several things.

It once and for all eliminates the "price cap," a controversial rule that required every new offshore wind project to deliver cheaper electricity than previous projects. Critics of the cap argued that by prioritizing power prices, Massachusetts was sacrificing important economic development opportunities and possibly even disincentivizing wind developers from bidding on project solicitations.

And speaking of the solicitation process, the law also says that when the state is selecting new projects, it must give more weight to bids that promise manufacturing investments, employment opportunities for low income and minority workers, supply contracts with minority and women-owned small businesses, job training opportunities, project labor agreements and other environmental and socioeconomic benefits.

What's more, the big investor-owed utilities like National Grid and Eversource will no longer play a role in helping to select winning bids. That power is now solely in the hands of the Department of Energy Resources and an independent evaluator.

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The law also puts the Massachusetts Clean Energy Center in charge of making sure the state has thenecessary port infrastructure and job training programs. The center will also oversee the administration of new tax incentives,grants, loans, and other investment opportunities to help build a domestic supply chain, support new technologies and establish more job training programs.

Finally, the law directs the Department of Elementary and Secondary Education to help schools across the state establish pilot programs for offshore wind job training. As part of this work, the department needs to track the number of low-income, English-langue learners and students with disabilities who complete a certificate program.

Updates solar rules

The law closes several solar “loopholes," such as a rule that said only one solar installation per property could qualify for net metering. The law not only scraps that rule, but allows homeowners to be compensated for up to 25 kilowatts of solar power instead of just 10.

The law also makes it easier for farmers and ranchers to put up solar panels in fields where they grow food or raise livestock. And it establishes new incentives for solar projects that are paired with pollinator-friendly plants.

Catalogs energy storage

From various batteries to pumped hydro, the law directs the Department of Energy Resources to catalog all of the energy storage technologies available and under development in the state, and to issue recommendations by the end of 2023 about how to add more storage capacity to the grid.

Also, if the department deems it “beneficial to the commonwealth,” it mayissue solicitations for up to 4,800 gigawatt-hours of storage — a substantial increase over what Massachusettscurrently has in operation.

Invests in the electricity grid

Building renewable energy projects is one thing, but getting that power to households across the region is a whole other issue. New England's transmission system — the high voltage wires that carry electricity long distances — is not ready for the energy transition we need to undertake to meet our climate goals. The law does a few things to address this.

It establishes a Clean Energy Transmission Working Group to study the best ways to work with other New England states to build new transmission capacity or upgrade existing lines. And it establishes a Grid Modernization Advisory Council, which will help ensure utilities make proactive and cost-effective transmission upgrades.

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The law also authorizes the Department of Energy Resources to start soliciting bids from companies that want to build an offshore transmission system to help bring power from offshore wind projects to shore.

Declares biomass electricity isn’t renewable

Whether to give renewable energy credits to wood-burning biomass facilities has been a contentious topic in Massachusetts over the last few years. The new law supersedes the Department of Energy Resources' controversial proposal to rewrite biomass rules.

Now, a woody biomass facility can only get credits for the electricity it generates if it was already getting those credits as of January 1, 2022. In practice, this just means that the two small combined-heat and power facilities in the state can continue to qualify.

Biomass is still eligible for credits under a different state program that rewards generators of "clean heat."

Invests in other carbon-free energy

The law creates an investment fund that the Massachusetts Clean Energy Center can use to help support clean energy research, build relevant infrastructure and otherwise assist the growing industry.

It also, for the first time, gives MassCEC the ability to help companies working on nuclear fusion, networked geothermal and deep geothermal energy technology. And, in an effort to help people in underserved communities access clean energy jobs, the bill aims to help MassCEC expand its workforce development programs.


Bans internal combustion vehicle sales

Massachusetts joins the growing list of states banning car dealerships from selling new gasoline or diesel-powered vehicles after 2035. (Used internal combustion engine vehicles can still be sold.)

Increases EV rebates

The current state rebate for a new electric vehicle is $2,500. The new law increases this amount to $3,500 for new and used vehicles costing $55,000 or less, and throws in an extra $1,000 for residents who trade in a gas powered car or truck. There are also some incentives for medium and heavy duty zero-emission vehicles.

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Adds more EV chargers

The law makes it clear that in order to get more people to use electric vehicles, the state needs more charging infrastructure. To that end, it creates a single state council to oversee the deployment of public chargers,with an eye toward building out these stations inan equitable and accessible way.

The state Department of Transportation is also required to install chargers at all Mass Pike service plazas, five commuter rail stations, five subway stations, and at least one ferry terminal. The department will also need to collect and report data about issues with charging infrastructure.

Expands access to EVs

Electric vehicles aren’t cheap. Beyond the new rebates described above, the law allows lower-income residents to get an extra $1,500 on new and used EV purchases. It also mandates that the state do more outreach about EVs in lower income neighborhoods in and places with a lot of vehicular air pollution.

The state will need to track this effort and report annually about EV adoption among low- and moderate-income households and people of color. It will also need to build a website to help people find available EVs at car dealerships.

Greens public transit

Beginning in 2030, the MBTA can only buy zero-emission buses, and it must electrify the whole fleet by 2040.

What’s more, the MBTA needs to prioritize putting zero-emission vehicles on the road in environmental justice communities, and it needs to start factoring emissions and climate resiliency into its long-term planning.

Outside of the MBTA, the law requires various state agencies to help regional transit authorities develop electrification plans, study the challenges of electrifying all school buses and oversee emissions reductions from ride hailing programs like Uber and Lyft.

Fossil fuels and buildings

Lets some cities ban fossil fuels

One of the more controversial aspects of the original bill was a provision giving 10 municipalities the ability to ban fossil fuel hookups in new construction or major renovation projects. The governor said repeatedly that he had concerns about how this would affect housing prices and availability, and his amended version of the bill included a lot of changes in this section.

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The legislature ignored his suggestions, and the pilot program remains the same as in the original bill: Only cities and towns that have met the state’s 10% affordable housing target can qualify, and the requirements won't apply to health care facilities and science labs.

Additionally, participating municipalities must collect and report detailed data about emission reductions, construction costs and utility bills.

Incentivizes electric appliances

There are some big changes coming for Mass Save, the state's energy efficiency program. Beginning in 2025, Mass Save can no longer offer incentives or rebates for fossil fuel-powered heating and cooling systems, unless they are a backup to an electric heat pump, or are being installed in low-income housing or some hard-to-electrify buildings like big commercial and industrial spaces.Mass Save will also be required to do more work in lower income neighborhoods and publish data annually about this effort.

The law also requires electric utilities to establish off-peak rates for EV charging — meaning you’d pay less for electricity you used to charge your car when demand is low.

And finally, the law directs the Department of Public Utilities to find ways it make it easier for residents and communities to install geothermal heating and cooling systems.

Targets large buildings and school

The law requires that all buildings over 20,000 square feet report their emissions annually. The state must also explore ways to make K-12 school buildings all electric, more energy efficient and improve indoor air quality.

Addresses future of natural gas

The law takes aim at the Department of Public Utilities’ ongoing work on the future of natural gas in the state. The department has been criticized for letting the utility companies write their own plans, and this law gives environmental groups and the public a bigger role in the planning process.

The law also explicitly directs the Department of Public Utilities to ensure that its program to replace aging and leaking natural gas pipelines doesn’t run counter to the state’s decarbonization goals. And for the first time, it enablesutilities to use money from the program to install big geothermal heat projects.

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Other gas related measures include a provision barringcommercial, industrial and multifamily building owners from using the state’s Commercial PACE program loans to upgrade natural gas heating systems, or switch from oil to natural gas boilers. In addition, new language requiresutilities experimenting with networked geothermal projects to submit detailed plans about how they could decommission their natural gas infrastructure throughout the state.

Correction: An earlier version of this post contained the wrong date for when Mass Save can no longer offer incentives for fossil fuel-powered heating and cooling systems. The story has been updated. We regret the error.


What is Massachusetts climate Bill? ›

The bill also has a slew of other climate-friendly policies, including: funding for offshore wind energy and electricity grid improvements, a ban prohibiting car dealerships from selling new gas- or diesel-powered vehicles after 2035, incentives for electric vehicles and appliances, and additional provisions focused on ...

What is a current law in Massachusetts related to greenhouse gases? ›

(a) The secretary shall adopt the 2020 statewide greenhouse gas emissions limit that shall be between 10 per cent and 25 per cent below the 1990 emissions level and a plan for achieving said reduction.

What has Massachusetts done for climate change? ›

A compromise bill mandating some of the steps Massachusetts needs to take to meet a goal of net-zero greenhouse gas emissions by 2050 was approved by House and Senate lawmakers on Thursday. The Massachusetts House approved the compromise bill on a 143-9 vote.

What is the climate law? ›

The Climate Law includes: a legal objective for the Union to reach climate neutrality by 2050. an ambitious 2030 climate target of at least 55% reduction of net emissions of greenhouse gases as compared to 1990, with clarity on the contribution of emission reductions and removals.

What is the clean energy bill? ›

Introduced in Senate (04/22/2021) This bill provides tax incentives for investment in clean electricity, clean transportation, clean fuel production, energy efficiency, and sets forth workforce development requirements for the energy sector.

What are the cities in Massachusetts? ›


Does Massachusetts have a carbon tax? ›

Massachusetts groups back expanded carbon tax with focus on equity | Energy News Network.

Who is in charge of greenhouse gas emissions? ›

Human activities are responsible for almost all of the increase in greenhouse gases in the atmosphere over the last 150 years. The largest source of greenhouse gas emissions from human activities in the United States is from burning fossil fuels for electricity, heat, and transportation.

Why did Massachusetts sue EPA? ›

Massachusetts argued that it would be injured or harmed by the EPA's decision not to regulate carbon dioxide. Writing for the majority, Stevens argued that Massachusetts could face harm or injury in the form of rising sea levels along its coasts if the EPA did not regulate carbon dioxide emissions.

Is Massachusetts a good place to live for climate change? ›

The Northeast is home to the only three states with Climate Change Risk Index scores lower than 100 (Vermont, New Hampshire, and Massachusetts).

How will climate change affect Boston? ›

Specifically, by the end of the century under the worst circumstances, the area in and around Boston could see almost 10 degrees of temperature increase as compared to 2000, coupled with the potential for more than 10 feet of sea rise.

Is Boston ready for climate change? ›

The sea that surrounds Boston crept up nine inches in the 20th century and is advancing ever faster toward the heart of the city. And as climate change accelerates, the pace of sea-level rise in Boston is expected to triple, adding eight inches over 2000 levels by 2030, according to a report commissioned by the city.

What are climate laws and why do we need them? ›

A climate law mandates that your state cut its climate-damaging emissions to zero no later than 2050. The strongest laws also have interim targets to ensure we reach this mark – cutting our emissions at least in half by 2030 – and require that states develop a roadmap to get there.

What are the current laws on climate change? ›

However, there are no specific climate change laws in NSW. Current planning laws lack the specificity needed to ensure we are reducing greenhouse gas emissions in order to limit warming to 1.5°C, and to effectively protect the environment and communities already at risk from the impacts of climate change.

How many climate change laws are there? ›

Poke around both sites, and you'll learn that the United States has eight federal laws related to climate change and six climate policies; while hundreds of lawsuits are going on across the country – including 54 under the Clean Air Act alone.

What is Senate bill 350? ›

The Clean Energy and Pollution Reduction Act (Senate Bill 350) established clean energy, clean air, and greenhouse gas (GHG) reduction goals, including reducing GHG to 40 percent below 1990 levels by 2030 and to 80 percent below 1990 levels by 2050.

Did the American Clean Energy and Security Act passed? ›

Passed House amended (06/26/2009) American Clean Energy and Security Act of 2009 - Sets forth provisions concerning clean energy, energy efficiency, reducing global warming pollution, transitioning to a clean energy economy, and providing for agriculture and forestry related offsets.

What is the federal solar tax credit? ›

The investment tax credit (ITC), also known as the federal solar tax credit, allows you to deduct 30 percent of the cost of installing a solar energy system from your federal taxes. The 30 percent tax credit will be available until 2033, at which point it will drop to 26 percent.

What is the least populated town in Massachusetts? ›

Smallest by population: Town of Gosnold, 75 / City of NORTH ADAMS, 13,708. Smallest by square miles: Town of Nahant, 1.24 / City of CHELSEA, 1.86. Largest by population: Town of Brookline, 58,732 / City of BOSTON, 617,594.

What is the second oldest town in Massachusetts? ›

Weymouth: 1622

Weymouth was settled in 1622 when it became the site of the short-lived Wessagusset Colony (sometimes called the Weston Colony because it was founded by London merchant Thomas Weston), which makes it the second oldest town in Massachusetts.

Is Massachusetts a nice place to live? ›

except New Jersey. WalletHub's 2021 ranking of the "Best States To Live In" has Massachusetts at No. 2, right behind The Garden State. The ranking was based on livability factors that "range from housing costs and income growth to education rate and quality of hospitals."

Which US state has a carbon tax? ›

No U.S. state has a carbon tax. This fall, carbon tax proponents in the state of Washington are seeking to break through with Initiative-1631, a state tax on carbon emissions, which you can read about here.

Which US states have carbon pricing? ›

State Carbon Pricing Policies

As of January 2021, eleven states are participating in RGGI: Connecticut, Delaware, Maine, Maryland, Massachusetts, New Hampshire, New Jersey, New York, Rhode Island, Vermont, and Virginia.

How are greenhouse gas emissions tracked? ›

Real-time Emissions Data. To date, Harvard and most organizations use the Average Annual Emissions Factors as found in the Greenhouse Gas Protocol to estimate GHG emissions. This approach estimates the amount of GHG emitted per unit of energy from the grid over the course of the year.

What is the biggest contributor to climate change? ›

Fossil fuels – coal, oil and gas – are by far the largest contributor to global climate change, accounting for over 75 per cent of global greenhouse gas emissions and nearly 90 per cent of all carbon dioxide emissions. As greenhouse gas emissions blanket the Earth, they trap the sun's heat.

What are the top 3 sources of greenhouse gases? ›

In the United States, most of the emissions of human-caused (anthropogenic) greenhouse gases (GHG) come primarily from burning fossil fuels—coal, natural gas, and petroleum—for energy use.

What are the biggest CO2 emitters? ›

China, the United States, and the nations that make up the European Union are the three largest emitters on an absolute basis. Per capita greenhouse gas emissions are highest in the United States and Russia.

What is the endangerment finding? ›

1) The “Endangerment Finding,” in which the Administrator finds that the mix of atmospheric concentrations of six key, well-mixed greenhouse gases threatens both the public health and the public welfare of current and future generations.

What are climate forcing factors? ›

The climate system includes the hydrosphere, land surface, the cryosphere, the biosphere, and atmosphere. Examples of some of the most important types of forcings include: variations in solar radiation levels, volcanic eruptions, changing albedo, and changing levels of greenhouse gases in the atmosphere.

Why does the EPA not want to exercise authority over greenhouse gases? ›

Because EPA believes that Congress did not intend it to regulate substances that contribute to climate change, the agency maintains that carbon dioxide is not an “air pollutant” within the meaning of the provision.

What issue did the Supreme Court of the US consider in Massachusetts v EPA quizlet? ›

The Court held that if the EPA wishes to continue its inaction on carbon regulation, it is required by the Act to base the decision on a consideration of "whether greenhouse gas emissions contribute to climate change."

How are greenhouse gas emissions tracked? ›

Real-time Emissions Data. To date, Harvard and most organizations use the Average Annual Emissions Factors as found in the Greenhouse Gas Protocol to estimate GHG emissions. This approach estimates the amount of GHG emitted per unit of energy from the grid over the course of the year.


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