Is Constellation Energy a licensed PA electricity supplier?

Yes. Constellation Energy is licensed by the Pennsylvania Public Utility Commission under license number A-110036.

Will my utility change if I sign up with Constellation Energy?

No. Your distribution utility (PECO, PPL, Duquesne Light, etc.) continues to deliver your electricity. Constellation Energy supplies the generation portion only.

How do I compare Constellation Energy to my utility's default rate?

Check your utility bill for the "Price to Compare" (PTC). Any supplier rate below that number saves you money on the supply portion.

PA PUC-licensed electricity supplier

Constellation Energy Pennsylvania plans & rates

From 10.79¢/kWh19 active PA plans• Rates verified Jun 8, 2026

Constellation Energy is a subsidiary of Exelon and a PA PUC-licensed electricity supplier serving residential customers throughout Pennsylvania. This is an independent comparison, not Constellation Energy's official site.

Affiliate disclosure: We may earn a commission if you sign up through our links. Learn more

Reviewed by John Spencer

Updated June 2026 • PA PUC License: A-110036

Compare Constellation Energy PA rates

EIA-cited dataPA PUC-sourced102 PA suppliersUpdated June 2026Independent comparison

Constellation Energy in Pennsylvania

A-110036

PA PUC License

Exelon

Parent company

Electric Generator Supplier

Service type

About Constellation Energy in Pennsylvania

Constellation Energy is a Pennsylvania PUC-licensed Electric Generator Supplier (EGS) serving residential and commercial customers throughout the state. Founded 1999 (spun off from Exelon Feb 2022), the company has grown to serve 2.5 million residential and business customers.

Operates the largest nuclear fleet in the US with 21 reactors generating 10% of America's carbon-free energy. Fortune 200 company serving three-fourths of Fortune 100 companies.

Constellation Energy at a glance

Founded: 1999 (spun off from Exelon Feb 2022)
Parent company: Exelon
Current HQ: Baltimore, Maryland
Customers: 2.5 million residential and business customers

As an EGS, Constellation Energy competes with other licensed suppliers to provide the generation portion of your electricity bill. Your local utility (PECO, PPL, Duquesne Light, etc.) continues to handle delivery, maintenance, and outage response regardless of which supplier you choose.

Visit constellation.com to learn more about their current plans and offers.

Constellation Energy electricity plans in Pennsylvania

Constellation Energy currently offers 19 residential electricity plans across PA utility territories. Rates range from 10.79¢ to 16.59¢/kWh.

Plan Name	Rate	Term	Type	Utility	Action
7mo fixed0	10.79¢/kWh	7 mo	Fixed	Duke Energy Ohio	View
7mo fixed0	10.89¢/kWh	7 mo	Fixed	AEP Ohio	View
7mo fixed0	10.99¢/kWh	7 mo	Fixed	The Illuminating Company	View
7mo fixed0	10.99¢/kWh	7 mo	Fixed	AES Ohio	View
7mo fixed0	10.99¢/kWh	7 mo	Fixed	Toledo Edison	View
7mo fixed0	10.99¢/kWh	7 mo	Fixed	Ohio Edison	View
18mo fixed0	11.19¢/kWh	18 mo	Fixed	AEP Ohio	View
18mo fixed0	11.29¢/kWh	18 mo	Fixed	AES Ohio	View
18mo fixed0	11.39¢/kWh	18 mo	Fixed	Duke Energy Ohio	View
18mo fixed0	11.39¢/kWh	18 mo	Fixed	The Illuminating Company	View
18mo fixed0	11.39¢/kWh	18 mo	Fixed	Ohio Edison	View
18mo fixed0	11.39¢/kWh	18 mo	Fixed	Toledo Edison	View
6-Month Fixed Rate0	12.89¢/kWh	6 mo	Fixed		View
6-Month Fixed Rate0	12.99¢/kWh	6 mo	Fixed		View
6-Month Fixed Rate0	13.19¢/kWh	6 mo	Fixed		View
8-Month Fixed Rate0	13.89¢/kWh	8 mo	Fixed		View
6-Month Fixed Rate0	14.89¢/kWh	6 mo	Fixed		View
6-Month Fixed Rate0	15.09¢/kWh	6 mo	Fixed		View
6-Month Fixed Rate0	16.59¢/kWh	6 mo	Fixed		View

Note: Some fixed-rate plans include early termination fees. Check plan details before enrolling.

Rates last verified Jun 8, 2026. Actual rates may vary by utility territory. Enter your ZIP code for personalized rates.

Constellation Energy estimated bill by usage

Estimated monthly supply cost using Constellation Energy's lowest available rate (10.79¢/kWh). Find your typical kWh usage on your utility bill.

Light

$54/mo

500 kWh/month

Apartment, 1-2 people

Average

$108/mo

1000 kWh/month

Small home, 2-3 people

Medium

$162/mo

1500 kWh/month

Mid-size home, 3-4 people

High

$216/mo

2000 kWh/month

Large home, 4+ people

Supply cost only. Your total bill also includes delivery charges from your utility, which vary by territory.

Service area in Pennsylvania

Constellation Energy serves customers in the following PA utility territories:

Citizens' ElectricDuquesne LightMet‑EdPECOPenelecPenn PowerPikePPLUGI Utilities ‑ ElectricWellsboroWest Penn Power

This covers most of Pennsylvania's population. Enter your ZIP code to confirm service availability at your specific address.

How Constellation Energy compares to other PA suppliers

Pennsylvania has 100+ PUC-licensed residential suppliers. Here's how Constellation Energy fits in the landscape:

How to enroll with Constellation Energy in PA

Compare rates

Visit constellation.com or use our ZIP submit to see what plans are currently offered for your area.

Check your Price to Compare

Compare Constellation Energy's rate against your utility's default service rate. This is listed on your bill as "Price to Compare."

Enroll directly

Constellation Energy also enrolls customers through PA Power Switch and licensed brokers.

Frequently asked questions

Is Constellation Energy a licensed PA electricity supplier?: Yes. Constellation Energy is licensed by the Pennsylvania Public Utility Commission under license number A-110036.
Which PA utilities can I use Constellation Energy with?: Constellation Energy serves customers in Citizens' Electric, Duquesne Light, Met‑Ed, PECO, Penelec, Penn Power, Pike, PPL, UGI Utilities ‑ Electric, Wellsboro, West Penn Power service territories.
Will my utility change if I sign up with Constellation Energy?: No. Your distribution utility continues to deliver your electricity. Constellation Energy supplies the generation portion only. You'll see both charges on your utility bill.
How do I compare Constellation Energy to my utility's default rate?: Check your utility bill for the "Price to Compare" (PTC). Any supplier rate below that number saves you money on the supply portion of your bill.
Does Constellation Energy offer renewable energy plans in PA?: Most major PA suppliers offer some renewable energy plans. Visit constellation.com for current options and pricing.