Constellation Customer Reviews (July 2025 Update)

Updated: July 2025

The best review categories for Constellation are the order experience, with an average of 4.3 stars, and their customer service, with an average of 4.2 stars.

Reviews Overall

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Plans & Pricing

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Order Experience

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Customer Service

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Billing & Acct Mgmt

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Likely to Recommend

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Reviews by Star

PA Energy Ratings's Gold Tier Providers are the best of the best in Pennsylvania electric. These are the best providers over the past year at providing customers and communities great service, stellar customer service, and top of the line resources, just to name a few things. When you select one of these providers, know you're choosing from among the best options in the Pennsylvania electric market.

Review from Jack

Very satisfied

I had a one year contract. No regrets about pricing.
Signed back up for three more years

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— Jack from Landenberg, PA on November 19th, 2020

Most Recent 5 Star Reviews

30 Customer Reviews Written Overall

Read All 5 Star Reviews

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Great Experience

Everything was easy. Phone Rep was great when signing up. Significant savings so far.

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— Rich B from Lititz, PA on March 20th, 2024

Great pick

Easy sign up, sit back and know your meter is spinning slower!

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— Lori Biehler from Hawley, PA on February 1st, 2024

New customer

Very pleased

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— Cindy DeSarno from Scranton, PA on May 24th, 2023

New customer

It's very simple to go online and save money by switching to Constellation .

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— Ddsurovec from Snow Shoe, PA on April 4th, 2023

Review

Very good and through.

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— Sarah from Leola, PA on March 24th, 2023

Excellent Company

Received a very nice letter and welcoming calls from Constellation.

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— Fred M Myers from Fairfield, PA on November 12th, 2022

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— Ok from Aston, PA on October 21st, 2022

Perfect

Great rates, great service, best price

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— Jim R from Pittsburgh, PA on June 1st, 2022

Smooth process

Process of switching to Constellation was easy, rates are competitive.

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— Lynda from Feasterville Trevose, PA on December 10th, 2021

A trusted company

Constellation offers the best rates around. When you are looking for a new electric supplier look at them first.

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— Jane R. from Hopwood, PA on December 5th, 2021

Constellation is great!

For a lower electric and gas Constellation is the best.

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— Emil from Media, PA on March 16th, 2021

Very satisfied

I had a one year contract. No regrets about pricing.
Signed back up for three more years

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— Jack from Landenberg, PA on November 19th, 2020

Great value

Looked online ,Constellation great value and chose 3 yr guaranteed price

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— Search Ended Here from Telford, PA on August 9th, 2020

All good so far!

So far, so good!

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— Kevin Kordelski from on August 3rd, 2020

Service is ahead of my last two vendors

Good pricing, great communication between myself and vendor. Useful weekly energy costs/comparison's.

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— J & L Fisher from on June 2nd, 2020

Good all around experience

Company was easy to work with and gave me the best price that was available

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— David C from Pittsburgh, PA on April 21st, 2020

Satisfied

Best price I was able to find

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— Ulli from Mechanicsburg, PA on March 25th, 2020

I got my first bill and was very happy with the charge it was what they said would be

I had a good experience when ordering thanks a bunch

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— Rick from Newry, PA on March 15th, 2020

Great Experience so Far

The process of switching to Constellation was a seamless one.

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— Margie from Hellertown, PA on March 9th, 2020

Great promotional pricing

Great promotional pricing, lots of communication with customers via email. Very satisfied.

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— Holly from Middleburg, PA on February 22nd, 2020

Easy Transition

Very easy transition from my previous supplier. Had significant savings already on my first bill.

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— KMDS from Pittsburgh, PA on January 26th, 2020

Good job

Every thing went fine

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— Me from Mechanicsburg, PA on January 14th, 2020

Amazing

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— Tara Siglin from Bethlehem, PA on December 23rd, 2019

Fabulous transition!

Wonderful experience transitioning to Constellation. Great rates and customer service!!

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— Sarah from Macungie, PA on December 16th, 2019

So easy

This was easy to do - and hopefully a great value

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— Kathi from Dallastown, PA on September 6th, 2019

Conversion to Constellation

I was amazed with how easy it was to convert my electric service to Constellation. They not only had one of the lowest rates, but also the online process was quick, very easy, and I received emails explaining my account had been created and the cancellation to my previous supplier.

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— Scott B. From Bethlehem from Bethlehem, PA on August 6th, 2019

No Problems

I had no problems with this company. My account was closed due to some new regulation with the PUC.

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— Pagram09 from Bellefonte, PA on May 23rd, 2019

Good

Good and easy

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— Good from Philadelphia, PA on April 12th, 2019

Great company!

Have used this company for the past 2 1/2 years with no problems. We just renewed for another 3 yrs at an even lower rate. Helps greatly with our all electric house.

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— John from Wampum, PA on March 27th, 2019

The sign up process was very easy. I could not have been happier with the process.

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— Judi from Elizabethtown, PA on November 25th, 2018

Most Recent 4 Star Reviews

7 Customer Reviews Written Overall

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Constellation review

Switched over to Constellation mainly because price was better. Everything went very smooth.

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— Mike C from Mars, PA on May 15th, 2024

Very Pleased

So far, things are great. The only things I found mildly annoying were: 1) The letter they sent advertised a lower rate, but "my area" was not eligible. 2) The website is not easy to navigate. Otherwise, I'm quite happy.

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— Cory Spotts from Mill Hall, PA on October 16th, 2023

Renewal Notice

The renewal letter notice should have contained the new options so we have ample time to make the best decision.

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— Jeff Morgan from Springfield, PA on March 3rd, 2021

Constellation is a good company that followed thru with their promises.

I have had no problems with Constellation since I signed up with them. Their rates were good and were exactly what they promised. Just waiting to see how much of a change there will be after my first year!

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— Pagram09 from Bellefonte, PA on February 22nd, 2020

Good Alternative

They made it so easy

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— Bob from New Kensington, PA on January 14th, 2020

Satisfied customer

Constellation communicates with their customers each month and gives them a comparison of the amounts of electricity used from month to month. They also give suggestions on how to cut power costs in your home. I have been more than satisfied with their service. They also began reminding me several months ago that my contract with them is about to expire and offered options to stay with them or find another provider.

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— Patricia Wheatley from Confluence, PA on December 9th, 2019

A Smooth Transformation

Like the title says, things went smoothly and I saved a bit on the costs.

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— Robert T Wuscher from Emmaus, PA on November 6th, 2019

Most Recent 3 Star Reviews

6 Customer Reviews Written Overall

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Electric Bill Still Higher Than Expected

While I am glad to have received a better rate with Constellation, for a fixed 6-month period, no less, I will continue to search for a lower rate because my bill is still considerably higher than I had hoped, despite having gotten new weather stripping and additional insulation added to multiple areas of my house in the past few months.

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— ErinK from State College, PA on February 20th, 2025

Never Received Promised Gift Card

I was told I would receive a $100.00 gift card after 6 straight months of service. Filled out the required information,mailed it in and never heard back.

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— Lisa from Blue Bell, PA on March 27th, 2023

New customer

No comment at this time, new customer less than 1 month

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— Bob from West Chester, PA on May 28th, 2020

So Far the savings are there

My charges were in the $60.00 to $64.00 per month before signing with this firm. My current costs $47.00 to $51.00 per month, but summer is coming

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— John B. from Palmerton, PA on May 7th, 2020

Switched before old contract expired

The only thing that concerned me, that I was switched immediately before my contract expired with Tri- Eagle. Which caused me to pay a pentality. Which was probably my fault.

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— Tom Swingler from Mount Joy, PA on November 12th, 2019

Just starting w/ Constellation

Since our present electric company's rates have jumped dramatically we decided to try another company. I can not
share Constellation's business procedures; we Just became Consellation consumers - however, I will say that the information that was available for us to 'compare' their company w/ the others was extremely helpful. The procedure was a snap to sign on. I only hope that the rest of our contracted time will be as 'comfortable'.

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— MJ from Pleasant Hall, PA on March 24th, 2019

Most Recent 1 Star Reviews

9 Customer Reviews Written Overall

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Worst company to deal with

I found out today that I am locked into a 5 year contract with this company!! Would NEVER have signed with this company had I been told that up front. Was charged $2,000 for an early cancellation fee! Extortion! Just my opinion , but buyer beware!!!

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— Maria Calasso from Newtown, PA on November 13th, 2023

Changed my price

I secured 11.9 cents per KWh. Theyve been charging me 23.9 cents per kWh.

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— False Advertising from Greensburg, PA on July 24th, 2022

$150 sham!!

I will never use this company again, when I tried to change 3weeks before the actual year, they tried to send me a bill for $150!!! Stating I was breaking the contract with them early...lol...who does this????

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— Heather Cioffi from Williamsport, PA on December 28th, 2020

Compare rate using Therm is not easily compared to mcf units.

Rate is almost double what Peoples Gas is quoting.

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— Travelinman from Irwin, PA on August 5th, 2020

STAY WHERE YOURE----DO NOT CHANGE

NEVER again

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— Denise Melchiorre from Nescopeck, PA on February 9th, 2020

Constellation

Signing up was no problem. They sent us an order number and confirmation but as far as we know we are not getting anything from constellation. My last bill did not reflect constellation. This does not make us happy!

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— Peter Barthelemy from Canonsburg, PA on December 21st, 2019

Bait & Switch

I your advertised rate for Constellation and signed up for it. When they sent me my confirmation, a higher rate was given. I immediately emailed them for an answer (and to have a legal copy of the document on hand). I got a canned reply saying I would have an answer on 2-3 business days. I had to call them 2 weeks later since I received no other reply. I cancelled their service since they did not answer me and they did a "bait and switch" on pricing. I though I was signing up for .481/CCF but they gave me .499/CCF

Very poor customer service.

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— Constellation Bait And Switch from Lansdale, PA on April 11th, 2019

Will not partner with People's Gass

I attempted to shop competitively for gas prices and attempted to switch to Constellation, who I've used in the past. However, they don't partner with People's Gas anymore and so the switch never took place.