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11.9avg. commissioner years of serviceSource: Advanced Energy United
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25.25¢avg. price per kWhSource: EIA
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5legislative session length, monthsSource: Legislative Session
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76%residential market share of the largest utilitySource: December 2024, Advanced Energy United
breakdown of market shareUtility Percentage Market Share in Connecticut
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Connecticut Light & Power Co
Market Share76% -
United Illuminating Co
Market Share20%
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6governor years servedSource: December 2024, Advanced Energy United
Utilities
Connecticut Utilities
In most cases, we only provide profiles for the largest five utilities with more than 100,000 total customers.
The schedules listed here reflect what is established in statute, rules, or Orders. However, PUCs and utilities sometimes deviate from these schedules. Please check the most recent proceeding by going to the "Important Recurring Proceedings" section for each utility below.
Policy AreaConservation & Load Management Plan
ScheduleStarting November 1, 2012, electric distribution companies in coordination with the gas companies must submit a combined electric and gas Conservation and Load Management Plan to the Energy Conservation Management Board every three years.
Policy AreaComprehensive Energy Strategy
ScheduleOn or before October 1, 2020, and every four years thereafter, the Commissioner of Energy and Environmental Protection shall prepare a Comprehensive Energy Strategy (CES). The CES should include findings of the Integrated Resource Plan (IRP) and energy efficiency plan, among other things, to provide any analysis and recommendations necessary to guide the state's energy policy to meet greenhouse gas emission reduction requirements in a cost-effective manner.
Policy AreaRenewable Portfolio Standard
ScheduleEach electric supplier and electric distribution company (EDC) shall file its Renewable Portfolio Standard (RPS) Compliance Report with the Connecticut Public Utilities Regulatory Authority by October 15th each year.
Policy AreaIntegrated Resource Plan
ScheduleThe Commissioner of Energy and Environmental Protection shall prepare an Integrated Resource Plan every two years in consultation with the electric distribution companies. No later than two years after the adoption of each Integrated Resources Plan, the Commissioner of Energy and Environmental Protection must also report to the joint standing committees of the General Assembly.
Connecticut Light & Power Co
Ownership TypeInvestor Owned
Balancing AuthorityISO New England Inc.
NERC Regional EntityNPCC
Holding Company
Structure
Owns Generation
Owns Transmission
Share of Residential Customers in CT76%
United Illuminating Co
Ownership TypeInvestor Owned
Balancing AuthorityISO New England Inc.
NERC Regional EntityNPCC
Holding Company
Structure
Owns Generation
Owns Transmission
Share of Residential Customers in CT20%