The United States is the second-largest single consumer of energy in the world. The U.S. Department of Energy categorizes national energy use in four broad sectors: transportation, residential, commercial, and industrial.

The economy of Bihar has been among the fastest-growing state economies in India in recent years. During the financial year 2025–26, Bihar's gross state domestic product (GSDP) is projected to grow by around 10–12% at current prices.

Home energy storage refers to residential energy storage devices that store electrical energy locally for later consumption. Usually, electricity is stored in lithium-ion rechargeable batteries, controlled by intelligent software to handle charging and discharging cycles.

Berkshire Hathaway Energy (BHE) is an American energy holding company and a wholly owned subsidiary of Berkshire Hathaway. The company is headquartered in Des Moines, Iowa.

A target market is a group of customers within a business's serviceable available market at which a business aims its product features, marketing efforts and pricing. A target market is a subset of the total market for a product or service.

New York energy law is the statutory, regulatory, and common law of the state of New York concerning the policy, conservation, taxation, and utilities involved in energy. Secondary sources have also influenced energy law in New York.

Shell Energy Retail Limited was a British consumer gas, electricity and broadband provider. Formerly a subsidiary of Shell, the business was acquired by Octopus Energy in December 2023.

Star Energy is a British oil, gas and geothermal company. It was a British onshore oil exploration company until it was acquired by IGas Energy in December, 2011.

Extra Energy Supply Ltd (trading as extraenergy) was an independent retail energy supplier based in Birmingham, England. It supplied gas and electricity to domestic and small business customers.

Renewable energy in Germany comes mainly from wind power, solar power and biomass and is a central component of the country's Energiewende. In 2025, renewable sources accounted for 23.8% of Germany's gross final energy consumption.