Delmarva Power
Delmarva Power is Delaware's regulated electric distribution utility and provides Standard Offer Service to customers who do not select another supplier.
Visit Delmarva Power →Delaware Electricity Providers
Compare Delaware electricity supply rates, Delmarva Power Standard Offer Service, Delaware Electric Cooperative options, competitive suppliers and renewable electricity plans.
Delmarva Power
Delaware Electric Cooperative
Competitive suppliers
Renewable electricity
Compare Delaware Electricity Rates →
Find electricity plans
Enter your Delaware ZIP code to find electricity supply options and supplier offers available to your area.
Electricity supply and delivery are separate portions of a Delaware electric bill. Always review the current supplier rate, contract period, renewable content, monthly fees and cancellation terms before enrolling.
11.1063¢
Delmarva Summer SOS
11.4049¢
Delmarva Winter SOS
Jun + Oct
Delmarva SOS seasonal periods
Choice
Competitive supplier options
Delaware electricity options
How Delaware electricity supply works
Delaware separates electricity supply from delivery. Depending on your service territory, your local utility delivers electricity while your supply may come from Standard Offer Service or an eligible competitive supplier.
Delaware Electric Cooperative
Delaware Electric Cooperative serves members primarily in rural portions of Kent and Sussex counties and offers member choice.
Visit Delaware Electric Co-op →Competitive suppliers
Certified third-party suppliers may offer different prices, contract terms, renewable content and other conditions.
View Delaware supplier information →Renewable electricity
Some competitive electricity products include renewable energy content or renewable energy certificates.
Learn about supplier options →
Delaware electricity rates
Compare Delaware electricity supply rates
The following are current 2026 Delmarva Power residential Standard Offer Service supply-rate snapshots. Delivery, transmission and other regulated charges are separate.
● Rate snapshot:
August 2026
| Provider | Supply option | Supply rate* | Rate period | 600 kWh supply* | Type | |
|---|---|---|---|---|---|---|
|
Delmarva Power
Delaware residential electric service
|
Residential Standard Offer Service |
11.1063¢
/kWh
|
June 1 – Sept. 30, 2026 | ~$66.64 | Summer SOS | View |
|
Delmarva Power
Delaware residential electric service
|
Residential Standard Offer Service |
11.4049¢
/kWh
|
Oct. 1, 2026 – May 31, 2027 | ~$68.43 | Winter SOS | View |
|
Competitive Suppliers
Delaware retail electricity market
|
ZIP-code specific offers |
Varies
/kWh
|
Offer specific | Varies | Competitive | Shop |
|
Delaware Electric Cooperative
Member-owned electric cooperative
|
Member rates / supplier choice |
Varies
/kWh
|
Rate schedule specific | Varies | Cooperative | View |
* Supply-only comparison. A Delaware electric bill also includes delivery, transmission, public-benefit, renewable portfolio standard 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.
Delaware electricity options
Compare Standard Offer Service and competitive electricity
Delaware customers may remain on utility Standard Offer Service or select an eligible third-party electricity supplier.
Delmarva Power
Residential Standard Offer Service
11.1063¢
per kWh*
Jun–Sep
2026 rate period
11.1063¢
Supply
Default
Service
- Current Delmarva residential summer SOS supply rate
- Rate applies June 1 through September 30, 2026
- Delmarva Power provides electricity delivery
- Customers may choose an eligible supplier
Delmarva Power
Residential Winter Standard Offer Service
11.4049¢
per kWh*
Oct–May
2026–27 period
11.4049¢
Supply
SOS
Default
- Delmarva residential winter SOS supply rate
- Effective October 1, 2026
- Delmarva Power continues to provide delivery
- Supply and delivery charges are billed separately
Competitive Suppliers
Delaware certified electricity suppliers
Varies
by offer
ZIP
Specific
Fixed
or variable
Varies
Contract
- Certified electricity suppliers can offer retail supply
- Rates and terms vary by supplier and customer
- Fixed and variable products may be available
- Renewable electricity products may be available
Delaware Electric Cooperative
Member-owned cooperative electricity service
Varies
by rate schedule
DEC
Territory
SOS
Default
Choice
Available
- Member-owned electric cooperative
- Serves portions of Kent and Sussex counties
- Members can participate in electricity choice
- Supplier registration and eligibility apply
Delaware electricity guide
View Official Supplier Information
How to choose a Delaware electricity plan
Delaware electricity shopping separates supply from delivery. Your local electric utility continues to deliver electricity, while eligible customers may choose a competitive supplier for the supply portion.
View Official Supplier Information
Supply
The electricity you purchase
This portion covers the electricity itself. You may receive supply through Standard Offer Service or an eligible competitive supplier.
Delivery
Your local electric utility
Delmarva Power or Delaware Electric Cooperative delivers electricity within its respective service territory and maintains the local distribution system.
Standard
Default supply service
Customers who do not choose a competitive supplier generally receive Standard Offer Service through their applicable utility.
Supplier
Competitive electricity companies
Certified third-party suppliers can offer different prices, contract terms, renewable content and other conditions.
Understand your Delaware 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. Supply may come from Standard Offer Service or a competitive supplier.
Utility delivery
Delivery charges cover the local electric distribution system, transmission and other regulated delivery-related costs.
Other regulated charges
Delaware electric bills can also include renewable portfolio, public-benefit, transmission and other applicable charges.
Before you switch
Five things to check before choosing a Delaware plan
Compare the supplier's cents-per-kWh rate with your applicable utility Standard Offer Service rate.
Check how long the quoted price remains in effect.
Look for recurring monthly charges in addition to the advertised kWh price.
Review early termination fees, renewal provisions and variable-rate language.
Delaware electricity providers
Electricity supply and utility options in Delaware
Delmarva Power is Delaware's regulated electric distribution utility. Delaware Electric Cooperative serves members in its territory. Eligible customers may also select certified third-party electricity suppliers.
Delaware service areas
Electricity information by Delaware city
Electricity supply availability can depend on your exact address and utility territory. Enter your ZIP code to identify applicable supply options.
Ready to compare Delaware electricity rates?
Start with your ZIP code and identify electricity supply options available to your area.
Delaware electricity FAQ
Frequently asked questions
Important information before switching electricity supply in Delaware.
Who are the electricity providers in Delaware?
Delmarva Power is Delaware's regulated
electric distribution utility. Delaware
Electric Cooperative also serves members
in portions of the state. Eligible customers
may select a certified third-party supplier
for electricity supply.
What is the current Delmarva Power electricity rate?
The Delmarva Power residential Standard
Offer Service supply rate is 11.1063¢ per
kWh for the summer 2026 period, effective
June 1 through September 30, 2026. The
winter 2026–2027 supply rate is 11.4049¢
per kWh beginning October 1, 2026.
What is Standard Offer Service in Delaware?
Standard Offer Service, or SOS, is the
default electricity supply service for
customers who do not select a competitive
supplier. The local electric utility
continues to provide delivery service.
Does Delmarva Power deliver electricity in Delaware?
Yes. Delmarva Power is the regulated electric
distribution utility in its Delaware service
territory. Customers who select a third-party
supplier continue receiving delivery service
from Delmarva Power.
Does Delaware Electric Cooperative offer electricity choice?
Yes. Delaware Electric Cooperative members
have the option to choose an electricity
supplier, subject to supplier registration
and eligibility requirements.
Is Delaware electricity deregulated?
Delaware allows eligible customers to choose
competitive electricity suppliers for the
supply portion of electric service.
Electricity delivery remains with the local
electric distribution utility.
Are electricity supply and delivery the same?
No. Electricity supply is the cost of the
electricity itself. Delivery charges cover
the local electric distribution system,
transmission and other regulated services.
How do I find competitive electricity suppliers in Delaware?
The Delaware Public Service Commission
maintains consumer information about
electric choice and certified suppliers.
Customers should verify that a supplier
is currently offering service and carefully
review the rate, contract term, fees,
renewal provisions and cancellation terms.
What is the cheapest electricity rate in Delaware?
Competitive supplier rates vary by utility
territory, ZIP code, contract, eligibility
and date. Customers should compare the
supplier's current offer with the applicable
Standard Offer Service or cooperative rate.
Electricity pricing disclosure: Delaware electricity pricing consists of separate supply and delivery components. For Delmarva Power residential customers, the Standard Offer Service supply rate is 11.1063¢/kWh for June 1 through September 30, 2026, and 11.4049¢/kWh for October 1, 2026 through May 31, 2027. These are supply-rate figures and do not represent complete monthly electric bills. Competitive supplier offers can vary by utility territory, ZIP code, contract, eligibility and date. Always verify the current rate and supplier terms before enrolling.