PA PUC-licensed electricity supplier

Constellation Energy Pennsylvania plans & rates
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
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), authorized to sell electricity to residential and commercial customers throughout the state. The company operates as part of Exelon.
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 12 residential electricity plans across PA utility territories. Rates range from 10.69¢ to 11.59¢/kWh.
| Plan Name | Rate | Term | Type | Utility | Action |
|---|---|---|---|---|---|
| 6mo fixed0 | 10.69¢/kWh | 6 mo | Fixed | Duke Energy Ohio | View |
| 6mo fixed0 | 10.79¢/kWh | 6 mo | Fixed | AES Ohio | View |
| 6mo fixed0 | 11.19¢/kWh | 6 mo | Fixed | The Illuminating Company | View |
| 6mo fixed0 | 11.19¢/kWh | 6 mo | Fixed | Ohio Edison | View |
| 6mo fixed0 | 11.19¢/kWh | 6 mo | Fixed | Toledo Edison | View |
| 6mo fixed0 | 11.29¢/kWh | 6 mo | Fixed | AEP Ohio | View |
| 18mo fixed0 | 11.39¢/kWh | 18 mo | Fixed | Ohio Edison | View |
| 18mo fixed0 | 11.39¢/kWh | 18 mo | Fixed | Toledo Edison | View |
| 18mo fixed0 | 11.39¢/kWh | 18 mo | Fixed | The Illuminating Company | View |
| 18mo fixed0 | 11.49¢/kWh | 18 mo | Fixed | AES Ohio | View |
| 18mo fixed0 | 11.59¢/kWh | 18 mo | Fixed | Duke Energy Ohio | View |
| 18mo fixed0 | 11.59¢/kWh | 18 mo | Fixed | AEP Ohio | View |
Note: Some fixed-rate plans include early termination fees. Check plan details before enrolling.
Rates last verified Jun 15, 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 (10.69¢/kWh). Find your typical kWh usage on your utility bill.
Light
$53/mo
500 kWh/month
Apartment, 1-2 people
Average
$107/mo
1000 kWh/month
Small home, 2-3 people
Medium
$160/mo
1500 kWh/month
Mid-size home, 3-4 people
High
$214/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:
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
Sign up with Constellation Energy. Your distribution utility continues delivery. Billing arrangements vary by supplier.
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.
Related guides

Pennsylvania Price to Compare Explained
What the PTC is and how to use it when shopping

Fixed vs Variable Rate Plans
Which plan type makes sense for your household

How to Switch Suppliers in PA
Complete guide to switching providers in Pennsylvania

Green Energy Plans in PA
What 100% renewable plans really mean
Ready to see what Constellation Energy offers in Pennsylvania?
Enter your ZIP code to see available plans and rates.
Free comparison • PA PUC-licensed suppliers • EIA-cited data