Eversource
Eversource provides electricity delivery across much of Connecticut and offers Standard Service supply to eligible customers.
Visit Eversource →Connecticut Electricity Providers
Compare Connecticut electricity supply rates, Eversource and United Illuminating Standard Service, competitive electricity suppliers and renewable electricity options.
Eversource
United Illuminating
Competitive suppliers
Renewable electricity
Compare Connecticut Electricity Rates →
Find electricity plans
Enter your Connecticut ZIP code to find electricity supply options and supplier offers available to your area.
Electricity supply and delivery are separate portions of a Connecticut electric bill. Always review the current supplier rate, contract period, renewable content, monthly fees and cancellation terms before enrolling.
11.58¢
Eversource Standard Service
11.95¢
UI Standard Service
Jan + Jul
Standard Service rate changes
3rd Party
Competitive supplier options
Connecticut electricity options
How Connecticut electricity supply works
Connecticut separates electricity supply from delivery. Your local utility delivers electricity, while your supply can come from Standard Service or an eligible competitive supplier.
United Illuminating
UI provides electric delivery service in its Connecticut territory and offers Standard Service generation supply.
Visit United Illuminating →Competitive suppliers
Licensed third-party suppliers may offer different rates, contract lengths, renewable content and fees.
Compare suppliers →Renewable electricity
Some competitive electricity products include renewable energy content or renewable energy certificates.
Learn about options →
Connecticut electricity rates
Compare Connecticut electricity supply rates
The following are July 2026 residential Standard Service supply-rate snapshots. Delivery and other regulated charges are separate from the supply rate.
● Rate snapshot:
July 2026
| Provider | Supply option | Supply rate* | Rate period | 600 kWh supply* | Type | |
|---|---|---|---|---|---|---|
|
Eversource
Connecticut electric service
|
Residential Standard Service |
11.58¢
/kWh
|
July 1 – Dec. 31, 2026 | ~$69.48 | Standard Service | View |
|
United Illuminating
Connecticut electric service
|
Residential Standard Service |
11.95¢
/kWh
|
July 1 – Dec. 31, 2026 | ~$71.70 | Standard Service | View |
|
Competitive Suppliers
Connecticut retail electricity market
|
ZIP-code specific offers |
Varies
/kWh
|
Offer specific | Varies | Competitive | Shop |
|
Connecticut Supplier Market
Licensed third-party suppliers
|
Fixed or variable offers |
Varies
/kWh
|
Offer specific | Varies | Supplier | Learn |
* Supply-only comparison. A Connecticut electric bill also includes delivery, transmission, public benefits and other applicable charges. The 600-kWh figures are simple supply calculations and are not estimates of complete monthly electric bills. Competitive supplier rates vary by utility territory, ZIP code, contract, eligibility and date.
Connecticut electricity options
Compare Standard Service and competitive electricity
Connecticut customers can remain on Standard Service or select an eligible third-party electricity supplier.
Eversource
Connecticut Residential Standard Service
11.58¢
per kWh*
Jul–Dec
2026 rate period
11.58¢
Supply
Default
Service
- Current Connecticut residential Standard Service rate
- July 1, 2026 rate of 11.58¢/kWh
- Eversource provides electricity delivery
- Standard Service rates change twice annually
United Illuminating
Residential Standard Service
11.95¢
per kWh*
Jul–Dec
2026 rate period
11.95¢
Supply
Default
Service
- Current UI residential Standard Service
- July 1, 2026 rate of 11.95¢/kWh
- UI provides electricity delivery
- Standard Service rates change twice annually
Competitive Suppliers
Connecticut licensed electricity suppliers
Varies
by offer
ZIP
Specific
Fixed
or variable
Varies
Contract
- Multiple licensed supplier options
- Rates vary by utility and customer location
- Different contract periods and terms
- Renewable electricity products may be available
Connecticut Supplier Information
PURA consumer resources
Official
state resource
PURA
Oversight
Rates
Official board
CT
Statewide
- Connecticut licensed supplier information
- Official electricity supply resources
- Consumer information about choosing a supplier
- Information maintained by Connecticut PURA
Connecticut electricity guide
Compare Official Supplier Offers
How to choose a Connecticut electricity plan
Connecticut electricity shopping separates supply from delivery. Eversource or UI may deliver electricity to your property, while you can receive supply through Standard Service or an eligible third-party supplier.
Compare Official Supplier Offers
Supply
The electricity you purchase
This portion covers the electricity itself. You can receive supply through Standard Service or select an eligible competitive supplier.
Delivery
Your local electric utility
Eversource or United Illuminating generally delivers electricity, maintains the local distribution system and responds to outages.
Standard
Default supply service
Customers who do not choose a third-party supplier generally receive Standard Service through their electric distribution company.
Supplier
Competitive electricity companies
Licensed third-party suppliers can offer different prices, contract terms, renewable content and other conditions.
Understand your Connecticut electric bill
What determines your electricity bill?
The advertised electricity supply rate is only one component of the total bill.
Electricity supply
The cost associated with the electricity you use. You may receive supply through Standard Service or a third-party supplier.
Utility delivery
Delivery charges cover the electric distribution system, transmission and other regulated delivery-related costs.
Public benefits
Connecticut electric bills also include regulated public-benefit and other applicable charges.
Before you switch
Five things to check before choosing a Connecticut plan
Compare the supplier's cents-per-kWh rate with your applicable Standard Service rate.
Check how long the quoted price remains in effect.
Look for recurring monthly charges in addition to the advertised kWh price.
Review any early termination fees and renewal provisions before enrolling.
Connecticut electricity providers
Electricity supply and utility options in Connecticut
Most Connecticut customers receive electric delivery from Eversource or United Illuminating. Eligible customers can also select licensed third-party electricity suppliers.
Connecticut service areas
Electricity information by Connecticut city
Electricity supply availability can depend on your exact address and utility territory. Enter your ZIP code to identify available supply options.
Ready to compare Connecticut electricity rates?
Start with your ZIP code and compare electricity supply options available to your area.
Connecticut electricity FAQ
Frequently asked questions
Important information before switching electricity supply in Connecticut.
Who are the electricity providers in Connecticut?
Most Connecticut customers receive
electricity delivery from Eversource
or United Illuminating. Customers can
receive supply through Standard Service
or select an eligible third-party
electricity supplier.
What is the current Eversource electricity rate in Connecticut?
Effective July 1, 2026, the Eversource
residential Standard Service supply rate
is 11.58¢ per kWh. This is the supply
component and does not represent the
complete electric bill.
What is the current United Illuminating rate?
Effective July 1, 2026, the United
Illuminating residential Standard Service
supply rate is 11.95¢ per kWh. Delivery
and other applicable charges are separate.
What is Standard Service in Connecticut?
Standard Service is the default electricity
supply option for customers who do not
select a third-party supplier. Connecticut
Standard Service generation rates are
adjusted twice each year, in January and July.
Does Eversource deliver electricity in Connecticut?
Yes. Eversource provides electric delivery
service in much of Connecticut. Customers
may choose an eligible third-party supplier
while Eversource continues to provide
delivery service in its territory.
Does United Illuminating deliver electricity in Connecticut?
Yes. United Illuminating provides electric
delivery service in its Connecticut service
territory. Customers can receive supply
through UI Standard Service or an eligible
competitive supplier.
Is Connecticut electricity deregulated?
Connecticut allows eligible customers to
choose competitive electricity supply
products from licensed suppliers.
Electricity delivery remains with the
local electric utility.
Are Eversource and UI electricity rates the same?
No. The utilities have separate Standard
Service supply rates. Effective July 1,
2026, the residential supply rates are
11.58¢/kWh for Eversource and 11.95¢/kWh
for United Illuminating.
How do I find competitive electricity suppliers in Connecticut?
Connecticut maintains official consumer
information and a generation supply rate
board through state regulatory resources.
Customers can use EnergizeCT to review
available supplier offers and should
carefully review rates, contract terms,
monthly fees and cancellation provisions.
Electricity pricing disclosure: Connecticut electricity pricing consists of separate supply and delivery components. Effective July 1, 2026, residential Standard Service supply rates are approximately 11.58¢/kWh for Eversource and 11.95¢/kWh for United Illuminating. Standard Service rates are adjusted twice annually. Competitive supplier offers can vary by utility territory, ZIP code, contract, eligibility and date. Always verify the current rate and supplier terms before enrolling.