Supplier comparison
Direct Energy vs Constellation Energy
Two of the largest national retail electricity suppliers, both serving Pennsylvania's competitive market. Here's how their PA offerings compare.
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Written by John Spencer
Updated May 2026
Free comparison · No credit check required · 1,662 plans from PA suppliers
What you're actually comparing
Direct Energy and Constellation Energy are both national retail electricity suppliers operating across multiple deregulated states. In Pennsylvania, both compete for residential customers across the same utility territories — meaning shoppers in PECO, PPL, Duquesne Light, and other PA utility areas can typically choose either supplier.
Choosing between them isn't about geography. Both suppliers serve essentially the entire PA competitive market. The decision comes down to:
- Current plan rates and term lengths — what they're actually offering right now
- Plan diversity — each supplier offers multiple plans at different terms and rate structures
- Renewable energy options — both offer green plans, with different REC sourcing
- Contract details — early termination fees, renewal terms, monthly fees
We compare both suppliers across these dimensions below.
Direct Energy
Parent company
NRG Energy (since 2021)
Established
1986
Customers (nationwide)
4+ million
States served
50 states
PA PUC license
Active
Green energy options
Yes
Constellation Energy
Parent company
Constellation Energy Corp (independent)
Established
1999
Customers (nationwide)
2+ million
States served
16+ states
PA PUC license
Active
Green energy options
Limited
Current plans from each supplier
Fixed-rate plans (3+ months) from each supplier, sorted by rate. These are the substantive comparison — actual plans you can enroll in today.
Direct Energy plans (May 2026)
Direct Energy Services
6mo fixed
Available in AEP Ohio territory
Direct Energy Services
6mo fixed
Available in The Illuminating Company territory
Direct Energy Services
6mo fixed
Available in AES Ohio territory
Direct Energy Services
12mo fixed
Available in Toledo Edison territory
Direct Energy Services
12mo fixed
Available in AEP Ohio territory
Direct Energy's best fixed-rate plan is 8.99¢/kWh. Their PA portfolio includes 37 residential plans across 4 different term lengths.
Constellation Energy plans (May 2026)
Constellation Newenergy
7mo fixed
Available in Duke Energy Ohio territory
Early termination fee may apply
Constellation Newenergy
7mo fixed
Available in AEP Ohio territory
Early termination fee may apply
Constellation Newenergy
7mo fixed
Available in The Illuminating Company territory
Early termination fee may apply
Constellation Newenergy
18mo fixed
Available in AEP Ohio territory
Early termination fee may apply
Constellation Newenergy
18mo fixed
Available in AES Ohio territory
Early termination fee may apply
Constellation's best fixed-rate plan is 10.79¢/kWh. Their PA portfolio includes 19 residential plans across 4 different term lengths.
56 plans from these two suppliers of 1,662 total PA plans
View all PA plansHow Direct Energy and Constellation Energy compare
Best fixed-rate plans
Direct Energy
8.99¢
6-month term
Constellation
10.79¢
6-month term
The rate gap between each supplier's best fixed-rate plan is 1.80¢/kWh.
Plan diversity
Direct Energy currently offers 37 residential plans in PA, with term lengths of 6 months, 12 months, 18 months, 24 months.
Constellation offers 19 residential plans, with term lengths of 6 months, 7 months, 8 months, 18 months.
Direct Energy emphasizes longer-term commitments (24+ months), while Constellation focuses on shorter terms.
Renewable energy options
Direct Energy offers 100% renewable plans backed by Renewable Energy Certificates (RECs).
Constellation's current PA portfolio has limited 100% renewable options.
Both suppliers' green plans use RECs to match your usage with renewable generation. The specific REC sourcing (wind, solar, mix) varies by plan. Learn more about RECs →
Contract characteristics
Both suppliers' fixed-rate plans typically include early termination fees ranging from $50 to $200, depending on the specific plan and term length. Longer terms generally have higher ETFs.
Both suppliers auto-renew contracts at the end of the fixed term, typically rolling to a higher variable rate. Setting a calendar reminder 30 days before term-end is critical to avoid unexpected rate increases.
When each supplier fits better
When Direct Energy makes more sense
- You want longer fixed-rate terms (24 months) to lock in rates for extended periods
- You value a supplier backed by a major energy company (NRG Energy)
- You're planning to stay at your current address for 2+ years
When Constellation Energy makes more sense
- You prefer shorter commitments (6-8 months) with more flexibility to reassess
- You might move within the next year and want to avoid high ETFs
- You want to take advantage of the 90-day satisfaction guarantee many Constellation plans offer
Note: These observations reflect each supplier's current Pennsylvania plan portfolio as of May 2026. Supplier offerings change — what fits better today may shift in 3-6 months as each supplier adjusts their plan portfolio.
What's the same regardless of which you choose
Despite the differences in plan portfolio, choosing either supplier doesn't change several fundamentals:
- Your utility (PECO, PPL, Duquesne Light, etc.) continues delivering electricity
- Outage response and grid maintenance is utility responsibility, not supplier
- Both suppliers are PA PUC-licensed and bound by PA consumer protection rules
- Switching from one to the other takes 1-2 billing cycles
- Neither charges a deposit for residential plan enrollment
- Both bill the supply portion through the utility (consolidated billing)
See which plans are available at your address
Both suppliers may offer different plans in different PA utility territories. Enter your ZIP to see which plans are available in your specific area.
What to verify before enrolling
Confirm the rate has no hidden tiers
Some plans use tiered pricing where the rate changes above certain usage thresholds. Check the Plan Information Document (PID) before enrolling.
Understand the rate after the initial term
Both Direct Energy and Constellation plans typically roll to a higher variable rate when the fixed term ends. Set a calendar reminder 30 days before term-end.
Check the early termination fee
ETFs at both suppliers typically range $50-$200 depending on the plan. Verify the specific amount before signing.
Verify the supplier is PA PUC-licensed
Both Direct Energy and Constellation hold active PA PUC competitive supplier licenses. Verify current status at puc.pa.gov — license status can change.
Frequently asked questions
Can I switch from Direct Energy to Constellation Energy mid-contract?
Yes, but if you're in a fixed-rate contract with one supplier, you'll likely owe an early termination fee. Both suppliers' ETFs typically range $50-$200. Calculate whether the new plan's savings outweigh the ETF before switching.
Are Direct Energy and Constellation Energy related companies?
No. Direct Energy is owned by NRG Energy (since 2021). Constellation Energy is its own publicly-traded company (separated from Exelon in 2022). Both are major national retail electricity suppliers but operate independently.
Which supplier has more plans available in PA?
Plan counts change weekly as suppliers adjust their portfolios. Currently, Direct Energy has 37 fixed-rate plans and Constellation has 19 fixed-rate plans in PA. Generally, larger national suppliers maintain 5-30 active residential plans at any time.
Does choosing one over the other affect my utility service?
No. Your utility (PECO, PPL, Duquesne Light, etc.) continues delivering electricity, handling outages, and managing your account regardless of supplier choice. The supplier only handles the generation portion of your bill.
How do I know which supplier offers the best rate for me?
Compare current rates side-by-side using the plans listed above, and verify availability for your specific ZIP code. Lowest rate alone isn't the only factor — also consider term length, early termination fees, and whether the rate is fixed or variable.
Related resources
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Plan data sourced from PA Power Switch and updated weekly. Supplier metadata from public corporate records. Read our methodology →
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Free comparison · No credit check required · 1,662 plans available