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Constellation

Written By: Adam Cain

Last Updated: 02/22/2024

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Provider Snapshot

  • Founded: 1999
  • Headquarters: Baltimore, MD
  • Service Areas: CT, GA, IL, OH, MA, MD, NJ, PA, TX
  • Provider Score™: 4.74/5 

Energy Options

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

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. 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.

Shop Constellation Energy Rates

Price to Compare 10.61¢

The electricity utility's price for electricity supply expressed as a price per kWh, to be used to contrast prices with competitive suppliers.

Best Electricity Rates
ProviderPlan NameLengthRate Per kWhSign Up
Constellation
12 Month Home Power Plan
12 Mo.9.99¢
Save 6%
Select
Constellation
24 Month Home Power Plan
24 Mo.10.59¢
Save 1%
Select
Constellation
24 Month Green Home Power Plan
24 Mo.11.29¢Select
Constellation
36 Month PowerPlug Plan
36 Mo.11.79¢Select
PlanRate Per kWh
Constellation
12 Month Home Power Plan

12 Months
9.99¢
Select
Constellation
24 Month Home Power Plan

24 Months
10.59¢
Select
Constellation
24 Month Green Home Power Plan

24 Months
11.29¢
Select
Constellation
36 Month PowerPlug Plan

36 Months
11.79¢
Select
  • 100% Renewable Sources
  • Smart Home System Included
See All Plans

Constellation Energy Reviews and Ratings

Best Overall Electricity Provider badge

Constellation Energy Provider Score: 4.74/5

Constellation is the Best Electricity Provider for 2024 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, E2 Energy to Educate and several other charitable causes. In 2021 Constellation and its employees contributed over $10M to support 4,000 organizations. Employees contributed 68,000 volunteer hours across 34 states.

Online Customer Reviews: 3.32/5
Constellation has a rating of 3.32/5, based on 1,594 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

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

Constellation Energy Products

Constellation Energy's suite of home energy products offer options to meet every home's needs and budget.

Constellation Energy offers home products to suite every need. Rooftop solar, Constellation Connect and Constellation 360 are a few of the services to support customers.

Rooftop Solar

Constellation Energy has partnered with Sunrun to offer rooftop solar solutions to homeowners. This partnership brings together Constellation Energy’s expertise in the energy industry and Sunrun’s experience in residential solar installations. The rooftop solar product offered by Constellation Energy and Sunrun allows homeowners to harness the power of the sun to generate clean and renewable energy for their homes.

The partnership between Constellation Energy and Sunrun offers homeowners a hassle-free experience with little to zero upfront cost. Sunrun takes care of the entire process, from installation to maintenance, ensuring that homeowners can enjoy the benefits of solar energy with a locked-in rate for 25 years. This includes handling permits, inspections, and system monitoring to ensure optimal performance.

(*Offer only available in select areas of Connecticut, Maryland, Massachusetts, Pennsylvania, Washington D.C., and the PSEG utility territory in New Jersey.)

Constellation 360 Plan

The Constellation 360 Plan is a comprehensive home management solution designed to save you money on unexpected HVAC repairs, routine home maintenance and save on your energy bill. This plan offers a range of benefits to homeowners, including discounts on parts and labor for HVAC repairs, replacement HVAC systems, or water heaters. While there may be costs associated with enrolling in the Constellation 360 Plan, the potential savings in energy costs and the increased comfort and convenience make it a worthwhile investment for homeowners looking to improve their energy efficiency.

Constellation Connect

Constellation Connect allows customers to bundle energy management and security solutions with your energy plan. You get a customizable smart home system for convenience and peace of mind. Benefits include:

  • Easy installation & compatibility with hundreds of smart devices
  • 24/7 connectivity and live security monitoring available
  • Voice control with Amazon Alexa or Google Home
  • Security and energy management tools within one app

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.

Constellation Energy offers home EV charger installation to customers. Enjoy the convenience of at home charging.

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.

Let Constellation Energy help your small business attain its sustainability goals.

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.