Utility Warehouse is a multi-service provider based in London, England that uses multi-level marketing to obtain customers through independent distributors. It is a brand name of its parent company, Telecom Plus.

Nebraska Furniture Mart (branded as NFM since 2019) is a home furnishing store in North America that sells furniture, flooring, appliances, and electronics. It is the largest of its kind in North America.

A Special Economic Zone (SEZ) is a region with more relaxed economic regulation than the country as a whole. India has specific legislation governing its SEZs.

An energy transition (or energy system transformation) is a major structural change to energy supply and consumption in an energy system. Currently, a transition to sustainable energy is underway to limit climate change.

NRG Energy, Inc. is an American energy company, headquartered in Houston, Texas.

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

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…

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

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.