Constellation

About Constellation Energy

Constellation is the nation’s leading provider of carbon-free energy with a commitment to be 100% carbon-free by 2040. They serve over 2.5 million residential and business customers across the United States.  Their headquarters is located in Baltimore, MD and currently employ over 13,000 people. Constellation’s priorities focus on customers, the planet and their employees.

For the fourth year in a row, Constellation has been awarded the 2026 Great Place to Work Certification™ by Great Place To Work®. This designation is based on how their employees rate their working experience. In a recent survey, 89% of Constellation employees who responded stated it is a great place to work—a score approximately 32 points higher than the average U.S. company.

Constellation Energy Reviews and Ratings

Constellation Energy Provider Score: 4.83/5

Constellation has been awarded Top Provider of 2026 in ElectricityRates.com’s list of the Best Electricity Providers. This results from a 20+ year track record of serving customers across the United States with innovative electricity plans, excellent customer service, and 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 have solar panel options for residential homes or businesses.

Customer Support: 5/5
When you need them, they are there for you. Day or night. You can reach out to 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 and several other charitable causes. In 2024 alone, Constellation contributed $20 million in combined company and employee giving to support more than 4,100 non-profit organizations. Plus, their employees logged 116,500 volunteer hours in service to their communities.

Online Customer Reviews: 4.5/5
Constellation has a rating of 4.49/5, based on over 8,000 reviews across various review sites, including Google and TrustPilot.

Constellation Energy Plans

• 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

*All options subject to availability. Enter your ZIP Code to see available energy products in your area.

Constellation Energy Products

EV Charger Home Installation

Constellation home service’s team offers EV charging station installation to electric vehicle owners in Maryland and in Houston and Dallas, TX. The installation experts will ensure your desired charger is compatible with your home, handle all the permits, inspections, and paperwork needed to complete the installation.

EV home chargers reduce your charging costs and spare you the stress of finding and using public charging stations. Let Constellation get you plugged in and on the road today! (Installation services only available in Maryland and Texas.)

Commercial & Small Business Sustainability Strategies

Constellation Energy wants to help its business customers meet their sustainability goals and reduce energy costs. They offer customized solutions to provide data and reporting to help you reduce or achieve net zero emissions, better manage energy usage, and become a steward for the environment.

With Constellation, your business can attain the following benefits at little or no cost to you.

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

Contact Information

• Official Website
• New Service Sign-Up & Customer Support Phone Number: 855-798-0821
• Constellation Account Login & Bill Pay

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