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United States · Pennsylvania · electricity · Prices checked yesterday · 14 November 2026 · re-read daily

Cirro Energy vs Constellation Energy: electricity prices in Pennsylvania

At 1,000 kWh a month on PECO, the cheapest offer from each is Cirro Energy, variable, 3 months, at 10.59¢/kWh (Price to Compare 11.759¢/kWh) against Constellation Energy, fixed, 8 months, at 13.49¢/kWh (Price to Compare 11.759¢/kWh), as listed on PAPowerSwitch on 2026-11-14; Cirro Energy is cheaper on 7 and Constellation Energy on 0 of the 7 distribution companies both sell on.

Each supplier's cheapest offer on every distribution company both sell on, the cheaper first. Ranked on the generation cost at 1,000 kWh a month, the listed price with any monthly fee spread over it; delivery is billed by the distribution company whichever supplier you choose, so it is in neither figure.

OpenStream holds no Pennsylvania PUC licence as an electric generation supplier, broker or marketer, and earns nothing from any supplier. How we are paid.

The plans behind it

Cheapest first. Each row goes to the provider's own sign-up page.

  1. 1.Cirro Energy · Variable, 3 months
    10.59¢/kWh at 1,000 kWh on PECO, 1.17¢ under the 11.759¢/kWh Price to Compare
    10.59¢/kWh generation price, no monthly fee · about $105.90 a month for generation at 1,000 kWh (our arithmetic on the listed figures; delivery is billed by PECO either way) · variable rate · 3-month term · 0% renewable as listed · no cancellation fee as listed · introductory price · new-customer offer
    Offer page (/us/pa/plan/cirro-energy/1717); the supplier's own enrolment page is linked as listed on PAPowerSwitch.
    Go to Cirro Energy
  2. 2.Constellation Energy · Fixed, 8 months
    13.49¢/kWh at 1,000 kWh on PECO, 1.73¢ over the 11.759¢/kWh Price to Compare
    13.49¢/kWh generation price, no monthly fee · about $134.90 a month for generation at 1,000 kWh (our arithmetic on the listed figures; delivery is billed by PECO either way) · fixed rate · 8-month term · 0% renewable as listed · cancellation fee as listed: $150
    Offer page (/us/pa/plan/constellation-energy/1799); the supplier's own enrolment page is linked as listed on PAPowerSwitch.
    Go to Constellation Energy
  3. 3.Cirro Energy · Variable, 3 months
    11.70¢/kWh at 1,000 kWh on PPL Electric Utilities, 1.38¢ under the 13.079¢/kWh Price to Compare
    11.70¢/kWh generation price, no monthly fee · about $117.00 a month for generation at 1,000 kWh (our arithmetic on the listed figures; delivery is billed by PPL Electric Utilities either way) · variable rate · 3-month term · 0% renewable as listed · no cancellation fee as listed · introductory price · new-customer offer
    Offer page (/us/pa/plan/cirro-energy/1714); the supplier's own enrolment page is linked as listed on PAPowerSwitch.
    Go to Cirro Energy
  4. 4.Constellation Energy · Fixed, 8 months
    14.79¢/kWh at 1,000 kWh on PPL Electric Utilities, 1.71¢ over the 13.079¢/kWh Price to Compare
    14.79¢/kWh generation price, no monthly fee · about $147.90 a month for generation at 1,000 kWh (our arithmetic on the listed figures; delivery is billed by PPL Electric Utilities either way) · fixed rate · 8-month term · 0% renewable as listed · cancellation fee as listed: $150
    Offer page (/us/pa/plan/constellation-energy/1796); the supplier's own enrolment page is linked as listed on PAPowerSwitch.
    Go to Constellation Energy
  5. 5.Cirro Energy · Fixed, 24 months
    15.99¢/kWh at 1,000 kWh on Duquesne Light, 1.85¢ over the 14.14¢/kWh Price to Compare
    15.99¢/kWh generation price, no monthly fee · about $159.90 a month for generation at 1,000 kWh (our arithmetic on the listed figures; delivery is billed by Duquesne Light either way) · fixed rate · 24-month term · 0% renewable as listed · no cancellation fee as listed · new-customer offer
    Offer page (/us/pa/plan/cirro-energy/3838); the supplier's own enrolment page is linked as listed on PAPowerSwitch.
    Go to Cirro Energy
  6. 6.Constellation Energy · Fixed, 8 months
    16.09¢/kWh at 1,000 kWh on Duquesne Light, 1.95¢ over the 14.14¢/kWh Price to Compare
    16.09¢/kWh generation price, no monthly fee · about $160.90 a month for generation at 1,000 kWh (our arithmetic on the listed figures; delivery is billed by Duquesne Light either way) · fixed rate · 8-month term · 0% renewable as listed · cancellation fee as listed: $150
    Offer page (/us/pa/plan/constellation-energy/1805); the supplier's own enrolment page is linked as listed on PAPowerSwitch.
    Go to Constellation Energy
  7. 7.Cirro Energy · Variable, 3 months
    12.50¢/kWh at 1,000 kWh on Met-Ed, 1.45¢ under the 13.951¢/kWh Price to Compare
    12.50¢/kWh generation price, no monthly fee · about $125.00 a month for generation at 1,000 kWh (our arithmetic on the listed figures; delivery is billed by Met-Ed either way) · variable rate · 3-month term · 0% renewable as listed · no cancellation fee as listed · introductory price · new-customer offer
    Offer page (/us/pa/plan/cirro-energy/1718); the supplier's own enrolment page is linked as listed on PAPowerSwitch.
    Go to Cirro Energy
  8. 8.Constellation Energy · Fixed, 8 months
    16.29¢/kWh at 1,000 kWh on Met-Ed, 2.34¢ over the 13.951¢/kWh Price to Compare
    16.29¢/kWh generation price, no monthly fee · about $162.90 a month for generation at 1,000 kWh (our arithmetic on the listed figures; delivery is billed by Met-Ed either way) · fixed rate · 8-month term · 0% renewable as listed · cancellation fee as listed: $150
    Offer page (/us/pa/plan/constellation-energy/1801); the supplier's own enrolment page is linked as listed on PAPowerSwitch.
    Go to Constellation Energy
  9. 9.Cirro Energy · Variable, 3 months
    11.60¢/kWh at 1,000 kWh on Penelec, 1.54¢ under the 13.142¢/kWh Price to Compare
    11.60¢/kWh generation price, no monthly fee · about $116.00 a month for generation at 1,000 kWh (our arithmetic on the listed figures; delivery is billed by Penelec either way) · variable rate · 3-month term · 0% renewable as listed · no cancellation fee as listed · introductory price · new-customer offer
    Offer page (/us/pa/plan/cirro-energy/1716); the supplier's own enrolment page is linked as listed on PAPowerSwitch.
    Go to Cirro Energy
  10. 10.Constellation Energy · Fixed, 8 months
    14.09¢/kWh at 1,000 kWh on Penelec, 0.95¢ over the 13.142¢/kWh Price to Compare
    14.09¢/kWh generation price, no monthly fee · about $140.90 a month for generation at 1,000 kWh (our arithmetic on the listed figures; delivery is billed by Penelec either way) · fixed rate · 8-month term · 0% renewable as listed · cancellation fee as listed: $150
    Offer page (/us/pa/plan/constellation-energy/1803); the supplier's own enrolment page is linked as listed on PAPowerSwitch.
    Go to Constellation Energy
  11. 11.Cirro Energy · Variable, 3 months
    11.80¢/kWh at 1,000 kWh on Penn Power, 1.68¢ under the 13.477¢/kWh Price to Compare
    11.80¢/kWh generation price, no monthly fee · about $118.00 a month for generation at 1,000 kWh (our arithmetic on the listed figures; delivery is billed by Penn Power either way) · variable rate · 3-month term · 0% renewable as listed · no cancellation fee as listed · introductory price · new-customer offer
    Offer page (/us/pa/plan/cirro-energy/1715); the supplier's own enrolment page is linked as listed on PAPowerSwitch.
    Go to Cirro Energy
  12. 12.Constellation Energy · Fixed, 8 months
    15.19¢/kWh at 1,000 kWh on Penn Power, 1.71¢ over the 13.477¢/kWh Price to Compare
    15.19¢/kWh generation price, no monthly fee · about $151.90 a month for generation at 1,000 kWh (our arithmetic on the listed figures; delivery is billed by Penn Power either way) · fixed rate · 8-month term · 0% renewable as listed · cancellation fee as listed: $150
    Offer page (/us/pa/plan/constellation-energy/1804); the supplier's own enrolment page is linked as listed on PAPowerSwitch.
    Go to Constellation Energy
  13. 13.Cirro Energy · Variable, 3 months
    10.80¢/kWh at 1,000 kWh on West Penn Power, 1.27¢ under the 12.075¢/kWh Price to Compare
    10.80¢/kWh generation price, no monthly fee · about $108.00 a month for generation at 1,000 kWh (our arithmetic on the listed figures; delivery is billed by West Penn Power either way) · variable rate · 3-month term · 0% renewable as listed · no cancellation fee as listed · introductory price · new-customer offer
    Offer page (/us/pa/plan/cirro-energy/1713); the supplier's own enrolment page is linked as listed on PAPowerSwitch.
    Go to Cirro Energy
  14. 14.Constellation Energy · Fixed, 8 months
    13.79¢/kWh at 1,000 kWh on West Penn Power, 1.71¢ over the 12.075¢/kWh Price to Compare
    13.79¢/kWh generation price, no monthly fee · about $137.90 a month for generation at 1,000 kWh (our arithmetic on the listed figures; delivery is billed by West Penn Power either way) · fixed rate · 8-month term · 0% renewable as listed · cancellation fee as listed: $150
    Offer page (/us/pa/plan/constellation-energy/1809); the supplier's own enrolment page is linked as listed on PAPowerSwitch.
    Go to Constellation Energy

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Says which counties the ZIP is in and which distribution companies serve them, from the Census and EIA-861. Which one serves your address is on your bill.

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Every Cirro Energy offerEvery Constellation Energy offerCheapest on PECOCheapest on PPL Electric UtilitiesCheapest on Duquesne LightCheapest on Met-EdEvery Pennsylvania question

Related questions

Which is cheaper on PECO, Cirro Energy or Constellation Energy?
At 1,000 kWh a month on PECO: Cirro Energy, variable, 3 months, at 10.59¢/kWh (Price to Compare 11.759¢/kWh); Constellation Energy, fixed, 8 months, at 13.49¢/kWh (Price to Compare 11.759¢/kWh), as listed on PAPowerSwitch on 2026-11-14.
Which is cheaper on PPL Electric Utilities, Cirro Energy or Constellation Energy?
At 1,000 kWh a month on PPL Electric Utilities: Cirro Energy, variable, 3 months, at 11.70¢/kWh (Price to Compare 13.079¢/kWh); Constellation Energy, fixed, 8 months, at 14.79¢/kWh (Price to Compare 13.079¢/kWh), as listed on PAPowerSwitch on 2026-11-14.
Which is cheaper on Duquesne Light, Cirro Energy or Constellation Energy?
At 1,000 kWh a month on Duquesne Light: Cirro Energy, fixed, 24 months, at 15.99¢/kWh (Price to Compare 14.14¢/kWh); Constellation Energy, fixed, 8 months, at 16.09¢/kWh (Price to Compare 14.14¢/kWh), as listed on PAPowerSwitch on 2026-11-14.
Which is cheaper on Met-Ed, Cirro Energy or Constellation Energy?
At 1,000 kWh a month on Met-Ed: Cirro Energy, variable, 3 months, at 12.50¢/kWh (Price to Compare 13.951¢/kWh); Constellation Energy, fixed, 8 months, at 16.29¢/kWh (Price to Compare 13.951¢/kWh), as listed on PAPowerSwitch on 2026-11-14.
Which is cheaper on Penelec, Cirro Energy or Constellation Energy?
At 1,000 kWh a month on Penelec: Cirro Energy, variable, 3 months, at 11.60¢/kWh (Price to Compare 13.142¢/kWh); Constellation Energy, fixed, 8 months, at 14.09¢/kWh (Price to Compare 13.142¢/kWh), as listed on PAPowerSwitch on 2026-11-14.
Which is cheaper on Penn Power, Cirro Energy or Constellation Energy?
At 1,000 kWh a month on Penn Power: Cirro Energy, variable, 3 months, at 11.80¢/kWh (Price to Compare 13.477¢/kWh); Constellation Energy, fixed, 8 months, at 15.19¢/kWh (Price to Compare 13.477¢/kWh), as listed on PAPowerSwitch on 2026-11-14.
Which is cheaper on West Penn Power, Cirro Energy or Constellation Energy?
At 1,000 kWh a month on West Penn Power: Cirro Energy, variable, 3 months, at 10.80¢/kWh (Price to Compare 12.075¢/kWh); Constellation Energy, fixed, 8 months, at 13.79¢/kWh (Price to Compare 12.075¢/kWh), as listed on PAPowerSwitch on 2026-11-14.

Where this comes from

Dated 2026-11-14. Nothing is estimated beyond arithmetic the page names, and no provider pays to appear.