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Electric Delivery Charge and Supply Cost

Your monthly electric usage impacts both supply and delivery. Using less energy can help lower your bill.

Local Delivery

This is our core business, safely and reliably delivering power to your home. This part of your bills is regulated by the Connecticut Public Utility Regulatory Authority (PURA).

Beyond delivering the power to you, this service includes the cost of skilled employees that operate and maintain the local system of poles and wires and provide customer service. It also includes the cost of improvements to make the electric grid more resilient and reliable. 

Since 2019, the average cost of a utility pole has increased nearly 30%, transformer has increased about 130% and a spool of distribution wire has increased nearly 50%. 

Unlike a flat charge for the delivery of a package, the local delivery charges on your energy bill are driven by how much energy you use and can vary from month to month.   

Line items on your bill that fall into this category include: 

  • Fixed Monthly Charge - This charge includes the cost for poles, wires, meters and personnel needed to provide service.
  • Local Delivery - This is the cost to maintain and repair the poles, lines and meters that deliver power from the substation.
  • Local Delivery System Improvements –This is a rate component that allows us to recover our investments that protect, strengthen or modernize the electric grid.
  • Revenue Decoupling – This balances the difference between the amount we are allowed to collect for energy delivery during a specific period for our operating costs, and how much was actually collected at the end of that period.
  • Competitive Transition Assessment (CTA) Charge – These are costs associated with deregulation. Regulators approved the costs before electric utility deregulation in 1998 and ensured continued cost recovery in a deregulated market. 

Public Benefits 

This portion includes costs mandated by the state and federal government for financial assistance and energy efficiency programs, purchasing renewable and carbon-free electricity, and funding solar and electric vehicle incentives to help make it easier to take advantage of clean energy options. 

We are working on solutions to lower Public Benefits rates.

Through charges on your bill, you're paying to fund these programs, so we encourage you to take advantage of what's available to you.    

Line items on your bill that fall into this category include: 

  • Combined Public Benefits Charge – This charge is made up of three charges, which are:
    • The Systems Benefits Charge that covers assistance programs
    • The Conservation and Load Management Charge, which covers energy efficiency programs
    • The Renewable Charge, which promotes growth, development and sale of renewable energy
  • The Federally Mandated Congestion Charge (FMCC) collects costs for:
    • The Millstone energy contract
    • Distributed resource (generation) programs
    • Long-term renewable energy contracts
    • The Low-Emission Renewable Energy Credit and Zero-Emission Renewable Energy Credit Programs
    • Solar Home Renewable Energy Certificate program and Passive Demand Response Programs.

If the FMCC Charge is $0, it will not be listed on billing statements. 

Transmission

Transmission is the cost of building, maintaining and operating the regional transmission system that brings electricity from power generators to the local distribution system.

These costs are generally shared across all customers served by the regional transmission system through ISO New England and are not solely our costs.

These charges are federally regulated by the Federal Energy Regulatory Commission, the independent agency that regulates the interstate transmission of electricity.

It’s critical to have a robust electric transmission system that provides reliable power while also supporting the interconnection of new energy resources onto the grid to address supply challenges in the region.

Supply

We purchase electricity from third-party suppliers that generate electricity at a power plant or generating station. This is a pass-through cost for you. What we pay, you pay.

All customers have the option of choosing Eversource or another energy supplier to obtain energy on their behalf.

How we determine the supply rate.

The supply rate is based on the current market price of electricity. This price changes twice each year—on January 1 and July 1—as demand for energy increases or decreases.

How you're charged

We track your usage in kilowatt hours (kWh). This is a measure of energy use over time. We then multiply your usage by the supply rate to determine your supply charge.

Supply rate x kilowatt hours = supply charge

See our current supply rates

Manage your bill and usage