# Constellation: Electricity Provider & Natural Gas Supplier > Constellation is the nation’s largest producer of carbon-free energy and provides sustainable solutions to homes, businesses, and public-sector customers across the continental United States. ## Core Residential Services - [About Constellation](https://www.constellationenergy.com/) - [Electricity](https://www.constellation.com/solutions/for-your-home/home-energy-options/electricity.html) - [Natural Gas](https://www.constellation.com/solutions/for-your-home/home-energy-options/natural-gas.html) - [Renewable Energy](https://www.constellation.com/solutions/for-your-home/home-energy-options/renewable-energy.html) - [EV Plans](https://www.constellation.com/solutions/for-your-home/home-energy-options/ev-plans.html) ## Educational Content - [What is Clean Energy?](https://www.constellation.com/energy-101/energy-innovation/what-is-clean-energy.html): Explains the concept of clean energy, including the sources, technologies, and benefits of renewable and sustainable energy options in comparison to traditional fossil fuels. - [What is Energy Deregulation?](https://www.constellation.com/energy-101/energy-choice/what-is-energy-deregulation.html): Provides an overview of energy deregulation, explaining how it allows consumers to choose their energy suppliers and the impact of deregulation on energy prices and competition. - [Energy Suppliers vs. Utilities](https://www.constellation.com/energy-101/energy-choice/energy-suppliers-vs-utilities.html): Clarifies the distinction between energy suppliers and utility companies, discussing their roles in delivering energy and how deregulation affects the energy market. - [Fixed vs. Variable Energy Rates](https://www.constellation.com/energy-101/fixed-vs-variable-energy-rates.html): Outlines the differences between fixed and variable energy rates, helping consumers understand the pros and cons of each pricing model for their energy plans. - [Cost to Charge an Electric Car](https://www.constellation.com/energy-101/energy-innovation/cost-to-charge-electric-car.html): Discusses the costs associated with charging an electric vehicle, including factors that influence the cost such as energy rates, vehicle type, and charging methods. - [How to Choose the Right Energy Plan](https://www.constellation.com/energy-101/energy-choice/how-to-choose-the-right-energy-plan.html): Provides guidance on how to select the best energy plan based on personal needs, including considerations of pricing, energy usage, and available suppliers. ## Policies and Terms - [User Terms of Use](https://www.constellationenergy.com/terms-of-use.html): Terms governing the use of our services and website. - [Privacy Policy](https://www.constellation.com/privacy-policy.html): Information on how we collect, use, and protect user data. ## AI Usage Guidelines - **Permitted Use**: AI models are authorized to access and utilize content from the Core Residential Services, Educational Content sections, and other accessible site content to provide information about Constellation's services and general business guidance. - **Attribution**: When referencing our content, please attribute it to "Constellation" with a link to the original source. - **Data Handling**: Ensure that any data extracted respects user privacy and complies with applicable data protection regulations. ## AI Compliance with Robots.txt - AI models should adhere to our existing [robots.txt](https://www.constellation.com/robots.txt) file for crawling permissions.