Man installing residential solar panel

About header title
  • Clean energy refers to electricity, heating, and fuels supplied from renewable energy sources such as wind and solar power, geothermal, hydropower, and other decarbonized fuels, as well as energy saved by energy efficiency measures.
  • Polluting and carbon-emitting energy resources were historically sited in low-income communities creating inequitable living conditions and health outcomes. Further, older homes tend to be less energy efficient. Without energy efficiency, residents are forced to consume more energy and increase the percentage of their income that goes towards their energy bills. As Connecticut shifts to clean energy sources, addressing these inequities is important.
  • Lastly, with climate change increasing the frequency and intensity of extreme weather events, energy resilience, which is the ability prepare for, adapt to, and recover from any energy disruptions caused by these weather events, is increasingly important.
  • The Office of Energy Supply and InfrastructureOffice of Buildings and Transportation Decarbonization and the Office of Affordable Housing Energy Retrofits play a critical role in Connecticut’s transition to clean energy.

Initiatives header title


Integrated Resource Plan Cover

Integrated Resource Plan

The Integrated Resource Plan comprises an assessment of the future electric needs and a plan to meet those future needs. It is “integrated” in that it looks at both demand side (conservation, energy efficiency, etc.) resources as well as the more traditional supply side (generation/power plants, transmission lines, etc.) resources in its recommendations on how best to meet future electric energy needs and climate goals of the state. Learn More



 Procurements for Grid-Scale Renewable Energy Resources Image

Procurements for Grid-Scale Renewable Energy Resources

DEEP’s Procurements for Grid-Scale Renewable Energy Resources bring clean resources online, diversify our fuel sources to improve reliability, and decarbonize the electric sector. Learn More






Shared Clean Energy Facility Image

The Shared Clean Energy Facility (SCEF) Program

The SCEF Program was established by Public Act 18-50 Section 7(c) to support the deployment of renewable energy resources and provide on-bill electric savings for participating subscribersThe Statewide SCEF Program began in 2020 and includes an annual clean energy procurement for six years. Learn More



MicrogridThe Microgrid and Resilience Grant and Loan Program

The Microgrid and Resilience Grant and Loan Program creates local distributed energy generation for critical facilities. A Microgrid generally operates while connected to the grid but can disconnect and operate in island mode on its own if there is a crisis such as a power outage or a major storm.





Steps for Solar Development

Sustainable, Transparent, and Efficient Practices (STEPS) for Solar Development

Sustainable, Transparent, and Efficient Practices (STEPS) for Solar Development identifies policies, legislative actions, and best practices, particularly related to the procurement, siting, and permitting of ground-mounted solar systems in Connecticut. Learn More





Siting Clean Energy on Connecticut Brownfields

Siting Clean Energy on Connecticut Brownfields

Siting Clean Energy on Connecticut Brownfields is particularly effective since resources like solar can require large sites for installation and help reuse land with limited development opportunitiesLearn More







Regional Greenhouse Gas Initiative

The Regional Greenhouse Gas Initiative (RGGI)

The Regional Greenhouse Gas Initiative (RGGI) is a cooperative effort among the states of Connecticut, Delaware, Maine, Maryland, Massachusetts, New Hampshire, New Jersey, New York, Rhode Island, Vermont, and Virginia (participating RGGI states) to cap and reduce power sector CO2 emissions. 
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Renewable Thermal Energy

Renewable thermal energy

Renewable thermal energy is a key element of Connecticut’s deployment of clean energy. A wide range of technologies – from heat pumps to biofuels to solar water heating – harvest energy from the environment to provide buildings with efficient, low-carbon heating and cooling. Learn More






DEEP is regularly involved in regional electricity matters, including participation before the Federal Energy Regulatory Commission and the region’s grid operator, ISO New England, through the New England Power Pool (NEPOOL) stakeholder process to advocate for ways to ensure a continued transition to a cleaner electricity grid that is reliable, equitable, and affordable. With these efforts, DEEP helped prepare the New England States’ Vision for a Clean, Affordable, and Reliable 21st Century Regional Electric Grid, which included the issuance of a Vision Statement, a report to the region’s governors, and a series of technical meetings examining wholesale market design, governance reforms, transmission planning, and environmental justice and equity issues.


Key Partners header title


PURA LogoThe Public Utilities Regulatory Authority regulates the rates and services of Connecticut’s investor-owned electricity, natural gas, water, and telecommunication companies and is the franchising authority for the state’s cable television companies. PURA balances the public’s right to safe, adequate, and reliable utility service at reasonable rates with the provider’s right to a reasonable return on its investment. PURA also oversees utility-administered programs supporting on-site renewable energy deployment, like the Residential Renewable Energy Solutions.


CT Green BankThe Connecticut Green Bank offers incentives and innovative low-cost financing to encourage homeowners, companies, municipalities, and other institutions to support both renewable energy and energy efficiency.


HeatSmart LogoThe HeatSmart Connecticut Program is a community-based outreach and education program that promotes the adoption of clean heating and cooling technologies in Connecticut.


NESCOE LogoNESCOE represents the collective perspective of the six New England Governors in regional electricity matters and advances the New England states’ common interest in the provision of electricity to consumers at the lowest possible prices over the long-term, consistent with maintaining reliable service and environmental quality.


Energy Efficiency BoardThe Energy Efficiency Board is a group of advisors who evaluate, advise, and assist the state’s utility companies in developing and implementing comprehensive, cost-effective energy conservation and market transformation plans to help Connecticut consumers reduce and decarbonize energy use in their homes and businesses.



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Content last updated June 2022