Connecticut Department of Energy & Environmental Protection

DEEP headquarters at 79 Elm Street in Hartford has partially re-opened to staff and members of the public as of Tuesday, February 3. The DEEP records room has re-opened. The DEEP Central Permit Processing Unit (CPPU) will be open to the public starting on Wednesday, Feb. 4. For updates, please click here

Commissioner Katie S. Dykes – Biography

Katie Dykes is the Commissioner of Connecticut’s Department of Energy & Environmental Protection (DEEP). She has served since 2019, when she was first nominated by Governor Ned Lamont, and was re-confirmed in February 2023 to serve in Governor Lamont’s second term. Katie previously served as Chair of the Connecticut Public Utilities Regulatory Authority (PURA) from 2016–2019, and as Deputy Commissioner for Energy at Connecticut DEEP from 2012–2016. Katie serves in board positions for the National Association of State Energy Officials (NASEO), the New England States Committee on Electricity (NESCOE), and the Regional Greenhouse Gas Initiative (RGGI). Katie joined CT DEEP in March 2012 after prior service in the White House Council on Environmental Quality and the U.S. Department of Energy. She is a graduate of Yale College and the Yale Law School.