A solar tracker is a device that orients a payload toward the Sun. Payloads are usually solar panels, parabolic troughs, Fresnel reflectors, lenses, or the mirrors of a heliostat.

npower Business Solutions is a British supplier of gas and electricity to large businesses. It has been a subsidiary of E.ON UK since January 2019.

Ferrellgas Partners, L.P. is an American supplier of propane founded in 1939 in Atchison, Kansas by A.C. Ferrell. The nationwide company is headquartered in Liberty, Missouri.

Martin Guerre is a two-act musical with a book by Claude-Michel Schönberg and Alain Boublil, lyrics by Alain Boublil, Edward Hardy and Stephen Clark, and music by Claude-Michel Schönberg. Written in the operatic style similar to the creative team's previous efforts, Les Misérables and Miss Saigon, the bulk of the show…

The availability and uptake of green electricity in the United Kingdom has increased in the 21st century. There are a number of suppliers offering green electricity in the United Kingdom.

Building insulation materials are the building materials that form the thermal envelope of a building or otherwise reduce heat transfer. Insulation may be categorized by its composition (natural or synthetic materials), form (batts, blankets, loose-fill, spray foam, and panels), structural contribution (insulating…

Economy 10 is the name of a tariff provided by United Kingdom electricity suppliers created in 2004. It is named because the corresponding electricity plan offers ten hours of off-peak access during each 24-hour period.

Telecom Plus plc is a British multi-utility supplier of gas, electricity, home insurance, and landline, broadband and mobile services to residences and businesses. It is listed on the London Stock Exchange and is a constituent of the FTSE 250 Index.

The 1979 oil crisis, sometimes referred to as the second oil crisis (in reference to the 1973 oil crisis), refers to the drop in oil production in the aftermath of the Iranian Revolution that led to an energy crisis in 1979. Although the global oil supply only decreased by approximately four percent, the oil markets'…

Radiant heating and cooling is a category of HVAC technologies that exchange heat by both convection and radiation with the environments they are designed to heat or cool. There are many subcategories of radiant heating and cooling, including: "radiant ceiling panels", "embedded surface systems", "thermally active…