Building Decarbonization

Decarbonized buildings incorporate energy efficiency upgrades, electrification, and design elements that can drastically lower energy demand, reduce pollution, and improve indoor air quality. States that move to decarbonize the building sector can reduce emissions while creating jobs.

Green buildings scaled e1680031397319

Overview

Decarbonized buildings incorporate energy efficiency upgrades, electrification, and design elements which can drastically lower U.S. energy demand while providing benefits such as cost savings, carbon pollution reduction, and improved indoor air quality. Commercial and residential buildings account for approximately 13% of U.S. emissions, largely due to burning gas, diesel, or heating oil. States that are proactive about building codes and standards can reduce emissions while creating jobs in retrofitting and weatherization.

Point of Contact

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Ava Gallo
Climate and Energy Program Manager
Contact

Key Facts

In 2021, buildings in the U.S. accounted for 28% of total U.S. energy consumption.

U.S. Energy Information Administration

LEED-certified buildings are cost effective, saving $1.2 billion in energy costs, $149.5 million in water costs, $715.3 million in maintenance costs, and $54.2 million in waste costs.

U.S. Green Building Council

Homes with fossil fuel-powered appliances have poorer indoor air quality causing increased likelihood of diseases like asthma.

Rocky Mountain Institute

Current Legislation

Legislative bills
SB222: Residential heat pump water heater or heat pump HVAC systems.View SourceCaliforniaCA Sen. Scott Wiener (D-CA-011)ClimateBuilding Decarbonization, Climate AccountabilityClimate Superfund, Heat Pumps, InsurancePassed Original Chamber
AB2313: Gas corporations: gas distribution service line replacements: alternatives.View SourceCaliforniaCA Assemb. Marc Berman (D-CA-023)ClimateBuilding DecarbonizationHeat PumpsPassed Original Chamber
HB7183: An Act Relating To Health And Safety -- Building Benchmarking And Reporting Act Of 2026 (Establishes A Program For The Energy And Water Benchmarking Of Large Buildings In Rhode Island And A Standard For Their Energy Performance.)View SourceRhode IslandRI Rep. Jennifer Boylan (D-RI-066), RI Rep. Michelle McGaw (D-RI-071), RI Rep. June Speakman (D-RI-068), RI Rep. Terri "Terri-Denise" Cortvriend (D-RI-072), RI Rep. Rebecca Kislak (D-RI-004), RI Rep. Susan Donovan (D-RI-069), RI Rep. Lauren Carson (D-RI-075), RI Rep. Kathleen "Kathy" Fogarty (D-RI-035), RI Rep. David Bennett (D-RI-020), RI Rep. Arthur "Art" Handy (D-RI-018)Climate, EnergyBuilding Decarbonization, Utilities and the GridBuilding Performance StandardSent to Executive
SB2260: An Act Relating To Health And Safety -- Building Benchmarking And Reporting Act Of 2026 (Establishes A Program For The Energy And Water Benchmarking Of Large Buildings In Rhode Island And A Standard For Their Energy Performance.)View SourceRhode IslandRI Sen. Dawn Euer (D-RI-013), RI Sen. Bridget Valverde (D-RI-035), RI Sen. Meghan Kallman (D-RI-015), RI Sen. Tiara Mack (D-RI-006), RI Sen. Alana DiMario (D-RI-036), RI Sen. Robert Britto (D-RI-018), RI Sen. Victoria Gu (D-RI-038), RI Sen. Pamela "Pam" Lauria (D-RI-032), RI Sen. Lammis Vargas (D-RI-028), RI Sen. Lori Urso (D-RI-008)Climate, EnergyBuilding Decarbonization, Utilities and the GridBuilding Performance StandardSent to Executive
AB2458: Energy: appliance standards and cost-effective measures.View SourceCaliforniaCA Assemb. Steve Bennett (D-CA-038)ClimateBuilding DecarbonizationAppliance StandardsPassed Original Chamber
HB 2338: Authorizing community scaled weatherization projects.View SourceWashingtonWA Rep. Lisa Callan (D-WA-005)ClimateBuilding Decarbonization, Just TransitionEnergy Efficiency, Weatherization, Low-income AccessEffective
HB 2354: Concerning common interest communities.View SourceWashingtonWA Rep. Julia Reed (D-WA-036)Climate, TransportationBuilding Decarbonization, Electric VehiclesHeat Pumps, Multi-Family Housing ChargingEffective
HB26-1289: Modification of Certain Tax ExpendituresView SourceColoradoCO Sen. Mike Weissman (D-CO-028), CO Rep. Lorena Garcia (D-CO-035), CO Rep. Kyle Brown (D-CO-012)ClimateBuilding DecarbonizationHeat PumpsEffective
SB26-142: Development of Thermal Energy ResourcesView SourceColoradoCO Sen. Matt Ball (D-CO-031), CO Sen. Cathy Kipp (D-CO-014), CO Rep. Ryan Gonzalez (R-CO-050), CO Rep. Junie Joseph (D-CO-010)EnergyBuilding Decarbonization, Emerging Energy TechnologiesGeothermalEnacted
HB0757: An act relating to manufactured homes and limited equity cooperativesView SourceVermontVT Rep. Marc Mihaly (D-VT-087), VT Rep. Gayle Pezzo (D-VT-037)ClimateBuilding DecarbonizationEnergy EfficiencyEffective
SB0001: An Act Making Adjustments to the State Budget for the Biennium Ending June 30, 2027, Making Deficiency Appropriations for the Fiscal Year Ending June 30, 2026, Authorizing and Adjusting Bonds of the State and Concerning Provisions Relating to Revenue, School Construction and Other Items to Implement the State Budget.View SourceConnecticutClimateBuilding DecarbonizationAppliance StandardsEffective
SB253: Electric utilities; pilot programs for energy assistance and weatherization for certain individuals.View SourceVirginiaVA Sen. L. Louise "Louise" Lucas (D-VA-018)Climate, EnergyBuilding Decarbonization, Data CentersWeatherization, Ratepayer ProtectionEffective
HB1393: Electric utilities; pilot program for energy assistance and weatherization for certain individuals.View SourceVirginiaVA Del. Destiny Levere Bolling (D-VA-080)Climate, OceansBuilding Decarbonization, Just TransitionWeatherization, Low-income Access, Offshore WindEffective
H.B.0870: Environment - Permit Applications for New Buildings - Notice (Large Buildings for Tomorrow Act)View SourceMarylandMD Del. Marc Korman (D-MD-016)Climate, EnergyBuilding Decarbonization, Utilities and the GridBuilding Performance StandardEnacted
S1030: Community Scale Weatherization + Health.View SourceNorth CarolinaNC Sen. Mujtaba Mohammed (D-NC-038), NC Sen. DeAndrea Salvador (D-NC-039), NC Sen. Lisa Grafstein (D-NC-013)ClimateBuilding DecarbonizationWeatherizationIntroduced or Prefiled
AB2088: Public Utilities: thermal energy networks.View SourceCaliforniaCA Assemb. Diane Papan (D-CA-021)EnergyBuilding Decarbonization, Data CentersHeat ReuseIntroduced or Prefiled
HB2: Electric utilities; energy efficiency upgrades, report.View SourceVirginiaSecretary Mark Sickles (VA)ClimateBuilding Decarbonization, Just TransitionEnergy Efficiency, Weatherization, Low-income AccessEffective
SB72: Electric utilities; energy efficiency upgrades, report.View SourceVirginiaVA Sen. Kannan Srinivasan (D-VA-032)Climate, EnergyBuilding Decarbonization, Just Transition, Utilities and the GridEnergy Efficiency, Weatherization, Low-income AccessEffective
HB5366: Epa-Appliance StandardsView SourceIllinoisIL Rep. Mary Beth Canty (D-IL-054)ClimateBuilding DecarbonizationAppliance StandardsOut of Committee
SB5: Income-Qualified Energy Efficiency and Weatherization Task Force; established, report.View SourceVirginiaVA Sen. Mamie Locke (D-VA-023)ClimateBuilding Decarbonization, Just TransitionEnergy Efficiency, Weatherization, Low-income AccessEffective
L.D. 2140 (S.P. 858): Resolve, to Establish a Demand Response Program to Lower Electric Bills and Improve Grid ReliabilityView SourceMaineME Sen. Denise Tepler (D-ME-024)Climate, EnergyBuilding Decarbonization, Utilities and the GridEnergy Efficiency, Weatherization, Demand ResponseEnacted
SB327: Electric utilities; pilot program for electric energy conservation, solar energy generation.View SourceVirginiaVA Sen. Schuyler VanValkenburg (D-VA-016)ClimateBuilding Decarbonization, Just TransitionWeatherization, Low-income AccessEffective
SB2218: An Act Relating To Health And Safety -- Building Performance Standards Act Of 2026 (Directs The Office Of Energy Resources To Develop Building Performance Standards For Large Buildings In Rhode Island That Would Cause Greenhouse Gas Emissions To Decline In Line With The Act On Climate Requirements.)View SourceRhode IslandRI Sen. Dawn Euer (D-RI-013), RI Sen. Bridget Valverde (D-RI-035), RI Sen. Meghan Kallman (D-RI-015), RI Sen. Tiara Mack (D-RI-006), RI Sen. Alana DiMario (D-RI-036), RI Sen. Robert Britto (D-RI-018), RI Sen. Victoria Gu (D-RI-038), RI Sen. Pamela "Pam" Lauria (D-RI-032), RI Sen. Lammis Vargas (D-RI-028)Climate, EnergyBuilding Decarbonization, Utilities and the GridBuilding Performance StandardIntroduced or Prefiled
SR2535: Senate Resolution Formally Requesting That The Rhode Island Public Utilities Commission To Consider The Creation And Adoption Of A Seasonal Heat Pump Rate As Part Of Docket 25-45-GeView SourceRhode IslandRI Sen. Louis "Lou" DiPalma (D-RI-012), RI Sen. Dawn Euer (D-RI-013), RI Sen. Jacob "Jake" Bissaillon (D-RI-001), RI Sen. Tiara Mack (D-RI-006), RI Sen. Alana DiMario (D-RI-036), RI Sen. Robert Britto (D-RI-018), RI Sen. Samuel "Sam" Zurier (D-RI-003), RI Sen. Victoria Gu (D-RI-038), RI Sen. Pamela "Pam" Lauria (D-RI-032), RI Sen. Lammis Vargas (D-RI-028), RI Sen. Stefano Famiglietti (D-RI-004)ClimateBuilding DecarbonizationHeat PumpsIntroduced or Prefiled
HB7877: An Act Relating To Public Utilities And Carriers -- Appliance And Equipment Energy And Water Efficiency Standards Act Of 2021 (Establishes Minimum Energy And Water Efficiency Standards For Appliance And Specified Equipment Purchased Or Installed After January 1, 2025.)View SourceRhode IslandRI Rep. Arthur "Art" Handy (D-RI-018), RI Rep. David Bennett (D-RI-020), RI Rep. Teresa Tanzi (D-RI-034), RI Rep. Rebecca Kislak (D-RI-004), RI Rep. Terri "Terri-Denise" Cortvriend (D-RI-072), RI Rep. June Speakman (D-RI-068), RI Rep. Brandon Potter (D-RI-016), RI Rep. Michelle McGaw (D-RI-071), RI Rep. Joseph McNamara (D-RI-019), RI Rep. Cherie Cruz (D-RI-058)ClimateBuilding DecarbonizationAppliance StandardsIntroduced or Prefiled
SB2905: An Act Relating To State Affairs And Government -- Decarbonization Demonstration Initiative Act Of 2026 (Creates The Multi-Unit Residential Decarbonization Initiative Program To Provide Funding For Feasibility Studies To Convert Large, Multi-Family Residential Units To Non-Emitting Renewable Geothermal Energy.)View SourceRhode IslandRI Sen. Ryan Pearson (D-RI-019), RI Sen. Dawn Euer (D-RI-013), RI Sen. Bridget Valverde (D-RI-035), RI Sen. Jonathon "Jon" Acosta (D-RI-016), RI Sen. Meghan Kallman (D-RI-015), RI Sen. Alana DiMario (D-RI-036), RI Sen. Victoria Gu (D-RI-038), RI Sen. Tiara Mack (D-RI-006)ClimateBuilding DecarbonizationHeat PumpsIntroduced or Prefiled
HB5248: An Act Concerning Energy Efficiency and Transmission Planning.View SourceConnecticutClimate, EnergyBuilding Decarbonization, TransmissionAppliance StandardsOut of Committee
HB0718: An act relating to building energy efficiencyView SourceVermontVT Rep. R. Scott "Scott" Campbell (D-VT-016)Climate, EnergyBuilding Decarbonization, Utilities and the GridBuilding Performance StandardPassed Original Chamber
HB5429: District Energy StorageView SourceIllinoisIL Rep. Jay Hoffman (D-IL-113)EnergyBuilding Decarbonization, Emerging Energy TechnologiesEnergy StorageIntroduced or Prefiled
HB7912: An Act Relating To Health And Safety -- Rhode Island Clean Heat Standard Act (Creates The Rhode Island Clean Heat Standards Act To Implement A System Of Tradeable Clean Heat Credits Earned From The Delivery Of Clean Heat Measures That Reduce Greenhouse Gas Emissions.)View SourceRhode IslandRI Rep. Arthur "Art" Handy (D-RI-018), RI Rep. David Bennett (D-RI-020), RI Rep. Lauren Carson (D-RI-075), RI Rep. Teresa Tanzi (D-RI-034), RI Rep. Rebecca Kislak (D-RI-004), RI Rep. Terri "Terri-Denise" Cortvriend (D-RI-072), RI Rep. June Speakman (D-RI-068), RI Rep. Michelle McGaw (D-RI-071), RI Rep. Jennifer Boylan (D-RI-066)ClimateBuilding DecarbonizationClean HeatIntroduced or Prefiled
A.10680: Authorizes gas or electrical corporations to submit proposals to the public service commission establishing voluntary rates for energy supplied to residential customers utilizing heat pumps as primary heatView SourceNew YorkNY Assemb. Alex Bores (D-NY-073)ClimateBuilding DecarbonizationHeat PumpsIntroduced or Prefiled
S.3964: Requires public utilities to provide Energy Star-rated product and appliance rebates at time of sale.View SourceNew JerseyNJ Sen. Carmen Amato (R-NJ-009)ClimateBuilding DecarbonizationAppliance StandardsIntroduced or Prefiled
S.3954: Requires public utilities to provide Energy Star-rated product and appliance rebates of no less than 20 percent of total cost of product or appliance.View SourceNew JerseyNJ Sen. Owen Henry (R-NJ-012)ClimateBuilding DecarbonizationAppliance StandardsIntroduced or Prefiled
AB1182: Relating to: leadership in energy and environmental design certification grant program and making an appropriation. (FE)View SourceWisconsinWI Rep. Alex Joers (D-WI-081), WI Rep. Angelito Tenorio (D-WI-014), WI Rep. Maureen McCarville (D-WI-042), WI Rep. Brienne Brown (D-WI-043), WI Rep. Randy Udell (D-WI-047), WI Rep. Karen DeSanto (D-WI-040), WI Rep. Joan Fitzgerald (D-WI-046), WI Rep. Sequanna Taylor (D-WI-011), WI Rep. Vincent "Vinnie" Miresse (D-WI-071), WI Rep. Christine Sinicki (D-WI-020), WI Rep. Mike Bare (D-WI-080), WI Rep. Ryan Clancy (D-WI-019), WI Rep. Supreme "Moore" Moore Omokunde (D-WI-017), WI Rep. Renuka Mayadev (D-WI-077), WI Rep. Shelia Stubbs (D-WI-078)ClimateBuilding DecarbonizationEnergy EfficiencyIntroduced or Prefiled
SB1168: Relating to: leadership in energy and environmental design certification grant program and making an appropriation. (FE)View SourceWisconsinWI Sen. Chris Larson (D-WI-007), WI Sen. Melissa Ratcliff (D-WI-016), WI Sen. Kristin Dassler-Alfheim (D-WI-018), WI Sen. Jodi Sinykin (D-WI-008)ClimateBuilding DecarbonizationEnergy EfficiencyIntroduced or Prefiled
A.10584: Provides a tax exemption from sales and compensating use taxes on alternative energy systemsView SourceNew YorkNY Assemb. Alicia Hyndman (D-NY-029)ClimateBuilding DecarbonizationAppliance StandardsIntroduced or Prefiled
A.10604: Relates to enacting the "NYCHA HVAC repair act"View SourceNew YorkNY Assemb. Alicia Hyndman (D-NY-029)ClimateBuilding Decarbonization, Climate FinanceGreen Banks, Heat PumpsIntroduced or Prefiled
H.B.2608: RELATING TO WATER HEATING SYSTEMS.View SourceHawaiiHI Rep. Trish La Chica (D-HI-037)ClimateBuilding DecarbonizationHeat PumpsPassed Original Chamber
A.9523: Relates to enacting the central air conditioner and heat pump rights actView SourceNew YorkNY Assemb. Jo Anne Simon (D-NY-052)ClimateBuilding DecarbonizationHeat PumpsOut of Committee
A.4513: Requires public utilities to provide Energy Star-rated product and appliance rebates at time of sale.View SourceNew JerseyNJ Assemb. Alex Sauickie (R-NJ-012)ClimateBuilding DecarbonizationAppliance StandardsIntroduced or Prefiled
SF4281: Thermal energy network plans requirements establishmentView SourceMinnesotaMN Sen. Amanda Hemmingsen-Jaeger (D-MN-047)ClimateBuilding Decarbonization, Just TransitionWorkforce DevelopmentIntroduced or Prefiled
HF4122: Thermal energy network plan requirements established.View SourceMinnesotaMN Rep. Athena Hollins (D-MN-066B)ClimateBuilding Decarbonization, Just TransitionWorkforce DevelopmentIntroduced or Prefiled
HB7184: An Act Relating To Health And Safety -- Building Performance Standards Act Of 2026 (Directs The Office Of Energy Resources To Develop Building Performance Standards For Large Buildings In Rhode Island That Would Cause Greenhouse Gas Emissions To Decline In Line With The Act On Climate Requirements.)View SourceRhode IslandRI Rep. Michelle McGaw (D-RI-071), RI Rep. Brandon Potter (D-RI-016), RI Rep. Terri "Terri-Denise" Cortvriend (D-RI-072), RI Rep. Rebecca Kislak (D-RI-004), RI Rep. Kathleen "Kathy" Fogarty (D-RI-035), RI Rep. Arthur "Art" Handy (D-RI-018)Climate, EnergyBuilding Decarbonization, Utilities and the GridBuilding Performance StandardIntroduced or Prefiled
HB7739: An Act Relating To Public Property And Works -- The Green Buildings Act (Creates The Green Buildings Act Commission To Consist Of 17 Members, Responsible For The Implementation Of The Green Buildings Act.)View SourceRhode IslandRI Rep. Arthur "Art" Handy (D-RI-018), RI Rep. David Bennett (D-RI-020), RI Rep. Lauren Carson (D-RI-075), RI Rep. Katherine Kazarian (D-RI-063), RI Rep. Terri "Terri-Denise" Cortvriend (D-RI-072), RI Rep. Michelle McGaw (D-RI-071), RI Rep. Jennifer Boylan (D-RI-066)Climate, EnergyBuilding Decarbonization, Utilities and the GridBuilding Performance StandardIntroduced or Prefiled
HB8132: An Act Relating To State Affairs And Government -- Decarbonization Demonstration Initiative Act Of 2026 (Creates The Multi-Unit Residential Decarbonization Initiative Program To Provide Funding For Feasibility Studies To Convert Large, Multi-Family Residential Units To Non-Emitting Renewable Geothermal Energy.)View SourceRhode IslandRI Rep. John "Jay" Edwards (D-RI-070), RI Rep. Lauren Carson (D-RI-075), RI Rep. Terri "Terri-Denise" Cortvriend (D-RI-072), RI Rep. June Speakman (D-RI-068), RI Rep. Michelle McGaw (D-RI-071), RI Rep. Jennifer Boylan (D-RI-066)ClimateBuilding DecarbonizationHeat PumpsIntroduced or Prefiled
SB2765: An Act Relating To Public Property And Works -- The Green Buildings Act (Creates The Green Buildings Act Commission To Consist Of 17 Members, Responsible For The Implementation Of The Green Buildings Act.)View SourceRhode IslandRI Sen. Hanna Gallo (D-RI-027), RI Sen. Louis "Lou" DiPalma (D-RI-012), RI Sen. Alana DiMario (D-RI-036), RI Sen. Matthew "Matt" LaMountain (D-RI-031), RI Sen. Pamela "Pam" Lauria (D-RI-032)Climate, EnergyBuilding Decarbonization, Utilities and the GridBuilding Performance StandardIntroduced or Prefiled
SB2793: An Act Relating To Public Property And Works -- State Purchases -- Lead By Example Act (Takes Several Measures To Lead By Example By Banning State Purchases Of Plastic Bottles, And Requires State Funds To Be Used To Lease Or Purchase Electric Vehicles And Renewable Energy Efficient Technologies For Use On State Property.)View SourceRhode IslandRI Sen. Melissa Murray (D-RI-024), RI Sen. Bridget Valverde (D-RI-035), RI Sen. Meghan Kallman (D-RI-015), RI Sen. Robert Britto (D-RI-018), RI Sen. Linda Ujifusa (D-RI-011), RI Sen. Pamela "Pam" Lauria (D-RI-032), RI Sen. Lammis Vargas (D-RI-028)Climate, Transportation, EnergyBuilding Decarbonization, Distributed Solar and Batteries, Electric VehiclesEnergy Efficiency, Solar and Public InfrastructureIntroduced or Prefiled
SB2654: An Act Relating To Health And Safety -- Rhode Island Clean Heat Standard Act (Establishes The Rhode Island Clean Heat Standards Program To Implement A System Of Tradeable Clean Heat Credits.)View SourceRhode IslandRI Sen. Dawn Euer (D-RI-013), RI Sen. Meghan Kallman (D-RI-015), RI Sen. Alana DiMario (D-RI-036), RI Sen. Samuel "Sam" Zurier (D-RI-003)ClimateBuilding DecarbonizationClean HeatIntroduced or Prefiled
H.B.467: AN ACT relating to real property.View SourceKentuckyKY Rep. DJ Johnson (R-KY-013)ClimateBuilding DecarbonizationEnergy EfficiencyPassed Original Chamber
A.4490: Establishes thermal energy network pilot program for gas public utilities.View SourceNew JerseyNJ Assemb. James "Jim" Kennedy (D-NJ-022), NJ Assemb. Clinton Calabrese (D-NJ-036), NJ Assemb. Andrew Macurdy (D-NJ-021)Climate, EnergyBuilding Decarbonization, Emerging Energy TechnologiesGeothermalIntroduced or Prefiled
HB369: Energy, Electric UtilitiesView SourceAlaskaClimate, EnergyBuilding Decarbonization, Distributed Solar and Batteries, Utilities and the GridEnergy Efficiency, Plug In Solar, PUC Mandates and PlanningIntroduced or Prefiled
S.B.0381: Education - School Building Energy Usage - Monthly ReportView SourceMarylandMD Sen. Ron Watson (D-MD-023)ClimateBuilding DecarbonizationEnergy EfficiencyIntroduced or Prefiled
HM60: Study Use Of Buildings As Grid AssetView SourceNew MexicoNM Rep. Dayan "Day" Hochman-Vigil (D-NM-015)Climate, EnergyBuilding Decarbonization, Utilities and the GridEnergy Efficiency, Demand ResponseIntroduced or Prefiled
H.B.0614: Education - School Building Energy Usage - Monthly ReportView SourceMarylandMD Del. Chao Wu (D-MD-009A)ClimateBuilding DecarbonizationEnergy EfficiencyIntroduced or Prefiled
S.B.1285: Public Facilities Act; establishing certain requirements for certain construction. Effective date.View SourceOklahomaOK Sen. Bill Coleman (R-OK-010)ClimateBuilding DecarbonizationHeat PumpsOut of Committee
SB 6223: Authorizing community scaled weatherization projects.View SourceWashingtonWA Sen. Victoria Hunt (D-WA-005)ClimateBuilding Decarbonization, Just TransitionWeatherization, Workforce DevelopmentOut of Committee
SB1588: Requires each electric company to develop an inclusive utility investment program to provide financing for customers' energy efficiency upgrades or renewable energy projects.View SourceOregonOR Sen. Jeff Golden (D-OR-003), OR Sen. Courtney Neron Misslin (D-OR-013)Climate, EnergyBuilding Decarbonization, Distributed Solar and Batteries, Utilities and the GridEnergy Efficiency, Heat Pumps, Demand Response, PUC Mandates and PlanningIntroduced or Prefiled
SB 6124: Assessing the feasibility of developing an affordability index for appliances sold into Washington state.View SourceWashingtonWA Sen. Marko Liias (D-WA-021)ClimateBuilding DecarbonizationAppliance StandardsOut of Committee
SB4020: District Energy StorageView SourceIllinoisIL Sen. Bill Cunningham (D-IL-018)Energy, ClimateBuilding Decarbonization, Emerging Energy TechnologiesEnergy StorageIntroduced or Prefiled
H.B.446: AN ACT relating to the home installation credit.View SourceKentuckyKY Rep. Nima Kulkarni (D-KY-040)ClimateBuilding DecarbonizationEnergy EfficiencyIntroduced or Prefiled
HB 2381: Concerning performance-based building codes for low-rise residential buildings.View SourceWashingtonWA Rep. Davina Duerr (D-WA-001)Climate, EnergyBuilding Decarbonization, Utilities and the GridBuilding Performance StandardOut of Committee
HB 2330: Establishing a prioritization process for capital funding for state campus district energy systems.View SourceWashingtonWA Rep. Alex Ramel (D-WA-040)ClimateBuilding DecarbonizationEnergy EfficiencyIntroduced or Prefiled
HB0717: An act relating to the Residential and Commercial Building Energy Standards and the adoption of a residential building codeView SourceVermontVT Rep. R. Scott "Scott" Campbell (D-VT-016)Climate, EnergyBuilding Decarbonization, Utilities and the GridBuilding Performance StandardIntroduced or Prefiled
H.B.0087: Income Tax - Energy Efficient Home Improvement CreditView SourceMarylandMD Del. Joe Vogel (D-MD-017)ClimateBuilding DecarbonizationEnergy Efficiency, Weatherization, Heat PumpsIntroduced or Prefiled
HB4110: Creating the WV Energy Efficiency Jobs Creation ActView SourceWest VirginiaWV Del. Evan Hansen (D-WV-079)Climate, EnergyBuilding Decarbonization, Utilities and the GridEnergy Efficiency, PUC Mandates and PlanningIntroduced or Prefiled
SB 992: Resilient BuildingsView SourceFloridaFL Sen. Ana Rodriguez (R-FL-040)Climate, EnergyBuilding Decarbonization, Utilities and the GridEnergy Efficiency, Building Performance StandardIntroduced or Prefiled
S.650: Requires BPU to establish beneficial building electrification and decarbonization program and requires electric public utilities to prepare and implement beneficial building electrification and decarbonization plans.View SourceNew JerseyNJ Sen. Bob Smith (D-NJ-017), NJ Sen. Andrew Zwicker (D-NJ-016)EnergyBuilding Decarbonization, Utilities and the GridPUC Mandates and PlanningIntroduced or Prefiled
A.3918: "Green Building Tax Credit Act."View SourceNew JerseyNJ Assemb. Robert "Rob" Karabinchak (D-NJ-018)Climate, EnergyBuilding Decarbonization, Utilities and the GridBuilding Performance StandardIntroduced or Prefiled
A.2556: Requires certain green building initiatives in plans for development or redevelopment of affordable housing planned for construction or substantial renovation.View SourceNew JerseyNJ Assemb. Rosaura "Rosy" Bagolie (D-NJ-027)Climate, EnergyBuilding Decarbonization, Utilities and the GridEnergy Efficiency, Building Performance StandardIntroduced or Prefiled
HB0609: An act relating to thermal energy networksView SourceVermontVT Rep. Kathleen James (D-VT-010), VT Rep. R. Scott "Scott" Campbell (D-VT-016)Climate, EnergyBuilding Decarbonization, Emerging Energy TechnologiesGeothermalIntroduced or Prefiled
HB0600: An act relating to appliance efficiencyView SourceVermontVT Rep. Kathleen James (D-VT-010)ClimateBuilding DecarbonizationAppliance StandardsIntroduced or Prefiled
SB0191: An act relating to appliance efficiencyView SourceVermontVT Sen. Anne Watson (D-VT-011)ClimateBuilding DecarbonizationAppliance StandardsIntroduced or Prefiled

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Fact Sheet
Building Decarbonization Fact Sheet
Climate, Energy
August 2, 2025

Decarbonized buildings incorporate energy efficiency upgrades, electrification, and design elements which can drastically lower U.S. energy demand while providing benefits such as cost savings, carbon pollution reduction, and improved indoor air quality. Commercial and residential buildings account for ~13% of U.S. emissions, largely due to burning gas, diesel, or heating oil. States that are proactive about building codes and standards can reduce emissions while creating jobs in retrofitting and weatherization.

Green buildings scaled e1680031397319
Policy Option
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Climate, Energy
August 1, 2025

Decarbonized buildings incorporate energy efficiency upgrades, electrification, and design elements which can drastically lower U.S. energy demand while providing benefits such as cost savings, carbon pollution reduction, and improved indoor air quality. Commercial and residential buildings account for ~13% of U.S. emissions, largely due to burning gas, diesel, or heating oil. States that are proactive about building codes and standards can reduce emissions while creating jobs in retrofitting and weatherization.

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State and Local Green Building Initiatives - The American Institute of Architects

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“In 2023, I introduced bills requiring new residential construction to be EV / PV ready and to install PV on new developments over 10 units. NEC gave me information immediately upon request about what had been done or tried in other states. These bills elevated the conversation about renewable energy and new construction.”
<p>Representative Lisa Marten</p>

Representative Lisa Marten

Hawaii

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2026 Energy Affordability Leaders Summit
December 6–9, 2026

Join NEC in Philadelphia, Pennsylvania, from December 6-9 for a convening of energy affordability leaders.

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State legislators from across seven states convened in Jackson, Mississippi, for the 2026 Mississippi River Legislative Caucus (MRLC) Forum, where they explored how to support one of the most economically and socially consequential waterways.

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A bipartisan group of 232 state legislators from 43 states and territories submitted a formal comment letter to the U.S. Department of Agriculture (USDA) opposing the proposed rescission of the Roadless Area Conservation Rule (the “Roadless Rule”).

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