Skip to content

Animals & PetsAnimal Health, Animal Parks & Zoo, Cats & Dogs
Beauty & Well-beingCosmetics & Makeup, Hair Care & Styling, Personal Care
Business ServicesAdministration & Services, Associations & Centers, HR & Recruiting
Construction & ManufacturingArchitects & Engineers, Building Materials, Chemicals & Plastic
Education & TrainingColleges & Universities, Courses & Classes, Education Services
Electronics & TechnologyAppliances & Electronics, Audio & Visual, Computers & Phones
Events & EntertainmentAdult Entertainment, Children's Entertainment, Clubbing & Nightlife
Food, Beverages & TobaccoAgriculture & Produce, Asian Grocery Stores, Bakery & Pastry
Health & MedicalClinics, Dental Services, Diagnostics & Testing
Hobbies & CraftsArt & Handicraft, Astrology & Numerology, Fishing & Hunting
Home & GardenBathroom & Kitchen, Cultural Goods, Decoration & Interior
Home ServicesCleaning Service Providers, Craftsman, House Services
Legal Services & GovernmentCustoms & Toll, Government Department, Law Enforcement
Media & PublishingBooks & Magazines, Media & Information, Photography
Money & InsuranceAccounting & Tax, Banking & Money, Credit & Debt Services
Public & Local ServicesEmployment & Career, Funeral & Memorial, Housing Associations
Restaurants & BarsAfrican & Pacific Cuisine, Bars & Cafes, Chinese & Korean Cuisine
Shopping & FashionAccessories, Clothing & Underwear, Clothing Rental & Repair
SportsBall Games, Bat-and-ball Games, Bowls & Lawn Sports
Travel & VacationAccommodation & Lodging, Activities & Tours, Airlines & Air Travel
UtilitiesEnergy & Power, Oil & Fuel, Water Utilities
Vehicles & TransportationAir & Water Transport, Airports & Parking, Auto Parts & Wheels

All categories Browse by state

Companies How it works For businesses

Search companies/

Menu

Search companies

All companies
Companies by state
How it works
For businesses

Categories

Animals & Pets
Beauty & Well-being
Business Services
Construction & Manufacturing
Education & Training
Electronics & Technology
Events & Entertainment
Food, Beverages & Tobacco
Health & Medical
Hobbies & Crafts
Home & Garden
Home Services
Legal Services & Government
Media & Publishing
Money & Insurance
Public & Local Services
Restaurants & Bars
Shopping & Fashion
Sports
Travel & Vacation
Utilities
Vehicles & Transportation

Customer reviews of businesses across the United States, so the next customer knows who they are dealing with.

About

About Five Star Index
How it works
How scores work
Contact

Community

Write a review
Review guidelines
All companies
Companies by state

For businesses

Claim your listing
Respond to reviews
How listings work

Categories

Animals & Pets
Beauty & Well-being
Business Services
Construction & Manufacturing
Education & Training
Electronics & Technology
Events & Entertainment
Food, Beverages & Tobacco
Health & Medical
Hobbies & Crafts
Home & Garden
Home Services
Legal Services & Government
Media & Publishing
Money & Insurance
Public & Local Services
Restaurants & Bars
Shopping & Fashion
Sports
Travel & Vacation
Utilities
Vehicles & Transportation

© 2026 Five Star Index. Reviews are the opinions of their authors, not of Five Star Index.

Terms of use
Privacy policy
Review guidelines
Contact

Constellation Reviews | Read Customer Reviews of constellation.com

Home
Utilities
Energy & Power
Constellation

ConstellationReviews of constellation.com

4.2362 reviews
Energy & Power
1310 Point Street, Baltimore, Maryland

Call Directions Website

Constellation4.2

Reviews362 About Contact

Overall score

4.2 out of 5

Great

Average of 362 reviews

Distribution

5★71%
4★9%
3★4%
2★4%
1★13%

What customers rate

Detail scores appear once 5 customers have rated them.

Contact & location

(855) 465-1244
constellation.com
1310 Point StreetBaltimore, MD 21231

Call Directions

About Constellation

View Plans

Constellation (constellation.com) has 362 customer reviews on Five Star Index, with an average rating of 4.2 out of 5.

Also known as: constellation.com
Website: constellation.com
Category: Energy & Power
Location: Baltimore, Maryland
Listed on Five Star Index: 2026

About these reviews

Replies: The company replied to 24% of reviews.
Latest: Most recent review: October 2026.
Edits: Reviews are shown as their authors wrote them. The company can reply, but cannot edit them.
Score: This company cannot pay to remove reviews or change its score.

How we calculate scores

Is this your business?

Correct your details and reply to customers in public. Both are free.

Claim this listing

More in Energy & Power

CompanyRatingReviews

National Solar Energy Corporation
Energy & Power · Laurel, Maryland
New
1 review
1
Solar Energy World
Energy & Power · Laurel, Maryland
New
1 review
1
Energy Ogre
Energy & Power · Houston, Texas
Excellent
275 reviews
275
EZ Energy Services
Energy & Power · Brooklyn, New York
Excellent
85 reviews
85

Call the company Directions Write a review

Constellation reviews

362 approved reviews, newest moderated first

Sort

Apply

Peter & Lucy M G.
May 31, 2026
Easy to sign up
Easy to sign up. Lowest rates available.
Report
Carmela
May 30, 2026
Very easy and quick to switch.
Very easy and quick to switch.
Report
CHARLES
May 30, 2026
Easy to change from Eversource.
Was easy to make change.
Report
Andrew
May 29, 2026
Easy transition
Easy transition from previous provider
Report
Jeanne J.
May 28, 2026
Great prices and terms
Great prices and terms, easy to select and my lights seem brighter now!
Report
Tammie
May 28, 2026
We needed immediate service after…
We needed immediate service after landlord said lights were on and we needed good rates Constellation had our light on in less than an hour! Thank you!
Report
ronald
May 28, 2026
Saving money made simple.
Saving money made simple.
Report
Dhanu U.
May 27, 2026
They just cancelled the application…
They just cancelled the application without giving any reason.
Response from ConstellationMay 27, 2026
Hi Dhanu, We're very sorry to hear about this issue. We have sent you an email requesting additional information so that our customer care team can look into this further. If you can please respond to that, a team member will reach out to you. Thank you.
Report

Previous 1…17 18 19 20 21…46 Next