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A Trusted Electric, Natural Gas, Renewable Energy Supplier

Are you searching for an electricity or natural gas supplier, solar solution or renewable energy plan to power your home?

In deregulated energy markets, Constellation competes with other energy suppliers over the price of the electricity and natural gas. This competition allows customers to compare energy rates and plans, and helps keep energy costs as low as possible. If you live in a state where you can choose your energy supplier, there may be an opportunity for you to save.

Constellation, a leading competitive energy company, offers a variety of options for you to choose from. Join approximately 2 million residential, public sector and business customers, including two-thirds of Fortune 100 companies, who use Constellation as their trusted energy supplier. Choose the best energy solution for your home or business below.

Residential Energy Solutions

In the past you had only one option for your electricity. If you live in a deregulated energy market, you now have more energy choices, allowing you to choose the best electricity or natural gas supplier for your home. Constellation offers natural gas, electricity, solar through Sunrun in six states, plus Washington, D.C., and renewable energy plans in many of the states where we provide energy services. Click home energy options to find energy options from Constellation that work with your budget.

Home Energy Solutions

Small Business Energy Options

Having a trusted energy company like Constellation on your side means knowing you have the right energy solutions, resources and payment plans to help meet your small business needs. In deregulated energy markets, Constellation offers a variety of natural gas and electricity plans for small business owners who want to be empowered and more informed when making smart energy choices for your business' needs and budget. Explore small business energy options to see what’s available in your area.

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Commercial & Industrial Business Energy Solutions

Constellation offers commercial business customers comprehensive energy solutions. We provide a variety of pricing options for electric, natural gas, and renewable energy products for companies of any size. Contact us to see what we offer in your market.

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Government Agency Solutions

A leading energy supplier across the U.S., Constellation has the kind of experience and energy resources to provide government agencies with the energy solutions they need.

Strategic Considerations

Best Thermostat Settings for Winter

Lowering your thermostat 10-15 degrees for eight hours can reduce your heating bill by 5-15%. What should you set your thermostat at in the winter?

Learn what the ideal temperature setting is for winter

You Have a New Option When It Comes to Smart Home Energy Management

We've got the smart home energy management and security system that brings you peace of mind while integrating with thousands of smart home devices.

Start getting a handle on your energy usage today

Understand the Charges on Your Energy Bill

The key to understanding your electric bill is understanding your energy costs and the line items that are shown on your bill.

Learn how to read your bill

Want an energy company that does more for you? Constellation now offers home services and home security options.

Our home services team is one of the nation’s leading air conditioning and heating experts, who have been helping to make homes more comfortable for decades. To learn more, visit our Home Services page.

Constellation Connect is our innovative and easy-to-use home security feature that offers 24/7 professional monitoring, keeping your home secure and providing you and your family with peace of mind. Learn more about Constellation Connect.

Residential Plans

Business Plans