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Constellation Energy Rates and Reviews

Updated: 05/12/2021

Constellation Energy Logo

Provider Snapshot

  • Founded: 1999
  • Headquarters: Baltimore, MD
  • Customers: 2.5 Million+ Residential & Commercial Customers
  • Service Areas: CT, GA, IL, OH, MA, MD, NJ, NY, PA, TX
  • Provider Score™: 4.5/5 

Energy Options

  • Electricity Plans
  • Natural Gas Plans
  • 100% Renewable Plans
  • Smart Home Bundles
  • Business Electricity

Constellation, an Exelon Company, is a leading competitive energy company serving over 2.5 million residential and business customers across the United States. They specialize in integrated energy solutions from electricity, natural gas, and renewable energy supply to energy efficiency and distributed energy solutions. This creates a one-stop shop for your personal or business energy needs.

Constellation is 2021 Best Overall Electricity Provider and a great option for all of your energy needs.

Shop Constellation Energy Rates

Best Electricity Rates
ProviderPlan NameLengthRate Per kWhSign Up
36 Month Home Power Plan
36 Mo.7.39¢Select
6 Month Home Power Plan
6 Mo.7.69¢Select
24 Month Green Home Power Plan
24 Mo.7.89¢Select
12 Month Home Power Plan
12 Mo.7.89¢Select
PlanRate Per kWh
36 Month Home Power Plan

36 Months
6 Month Home Power Plan

6 Months
24 Month Green Home Power Plan

24 Months
12 Month Home Power Plan

12 Months
  • 100% Renewable Sources
See All Plans

Constellation Energy Reviews and Ratings

Best 2021 Electricity Provider - Constellation Energy

Constellation Energy Provider Score: 4.51/5

Constellation is the Best Overall Electricity Provider in’s 2021 Top Electricity Provider Ratings. This is as a result of a 20+ year track record of serving customers across the United States with innovative electricity plans, excellent customer service and having a lasting, positive impact in their communities.

Rate Offering: 4.83/5

Constellation offers a wide variety of energy plans and solutions including low fixed-rate electricity and natural gas plans, 100% renewable plans and smart home bundles. Depending on location, they also offer plans with either a 90-day guarantee or a low early termination fee.

Customer Support: 5/5

You can reach out for customer support via their call center, live-chat or email 24/7.

Business History & Community Outreach: 5/5

Founded in 2001, Constellation has been serving customers across the United States for 20+ years. They also have a significant positive impact in their local communities supporting Habitat for Humanity, E2 Energy to Educate and several other charitable causes.

Online Customer Reviews: 3.25/5

Constellation has an above average rating of 3.25/5 Based on 848 reviews across various review sites.

Constellation Energy Options

  • Low Cost, Fixed-Rate Electricity Plans: 6, 12, 30 and 36-month plans
  • Electricity Plans with Bundles: Plans that include smart home systems and A/C protection plans
  • 100% Renewable Plans: Plans that support green power and offset energy usage with 100% renewable energy sources
  • Natural Gas Plans: Lock in a fixed-rate natural gas plan and avoid untimely fluctuations on your gas bill
  • Small Business & Commercial Electricity: Lower your energy overhead by procuring lower energy rates for your business

Why Choose Constellation?

Constellation is committed to maintaining high levels of customer service, competitive pricing, and working with their local communities to help those in need. You’ll get:

  • Timely, personal responses to any and all of your questions
  • Continuous feedback for added value to products and services
  • A user-friendly online experience
  • Competitive pricing and various payment options

They also regularly partner with groups such as Habitat for Humanity to implement affordable energy options and offer various educational grants.

Residential Energy Service Areas

Contact Information

Note: If you’re experiencing an electricity outage, contact your local utility company.