Tesla Energy Operations, Inc. is the sustainable energy division of Tesla, Inc.

The iPad is a brand of tablet computers developed and marketed by Apple since 2010. The first-generation iPad was introduced on January 27, 2010.

In energy economics and ecological energetics, energy return on investment (EROI), also sometimes called energy returned on energy invested (ERoEI), is the ratio of the amount of usable energy (the exergy) delivered from a particular energy resource to the amount of exergy used to obtain that energy…

Marriott International, Inc. (/ˈmær.i.ət/) is an American multinational company that operates, franchises, and licenses lodging brands that include hotel, residential, and timeshare properties.

Chiffon margarine is a brand of margarine. It was first manufactured in 1954 by Anderson, Clayton and Company, a cotton products firm of Houston, Texas.

Geothermal energy is thermal energy extracted from the Earth's crust. It combines energy from the planet's formation and from radioactive decay.

The energy policy of the United Kingdom refers to the United Kingdom's efforts towards reducing energy intensity, reducing energy poverty, and maintaining energy supply reliability. The United Kingdom has had success in this, though energy intensity remains high.

Open energy-system models are energy-system models that are open source. These models can also be known as open energy models or open-source energy-system models or some combination thereof.

Outfox Energy, the trading name of Foxglove Energy Supply Limited, is a British energy supplier based in Leicester, United Kingdom. It was founded in 2017.

Octopus Energy Group Limited (formerly Octopus Energy Limited and Octopus Energy Holdings Limited), known as Octopus Energy, is a British company operating in the fields of energy generation and supply. It was founded in 2015 with the backing of Octopus Group, a British asset management company.