A solar cell, also known as a photovoltaic cell (PV cell), is an electronic device that converts the energy of light directly into electricity by using the photovoltaic effect. It is a type of photoelectric cell, a device whose electrical characteristics (such as current, voltage, or resistance) vary when it is…

British Gas (trading as Scottish Gas in Scotland) is an energy and home services provider in the United Kingdom. It is the trading name of British Gas Trading Limited, British Gas Services Limited, British Gas Services (Commercial) Limited, British Gas New Heating Limited and British Gas Insurance Limited, all of…

Leadership in Energy and Environmental Design (LEED) is a green building certification program used worldwide. Developed by the non-profit U.S. Green Building Council (USGBC), it includes a set of rating systems for the design, construction, operation, and maintenance of green buildings, homes, and neighborhoods,…

A hybrid electric vehicle (HEV) is a type of hybrid vehicle that couples a conventional internal combustion engine (ICE) with one or more electric engines into a combined propulsion system. The presence of the electric powertrain, which has inherently better energy conversion efficiency, is intended to achieve either…

Although Alberta has a presence in many industries such as agriculture, forestry, education, tourism, finance, and manufacturing, the politics and culture of the province have been closely tied to the production of fossil energy since the 1940s. Alberta—with an estimated 1.4 billion cubic metres of unconventional oil…

The Berkeley Group Holdings plc is a British property developer and house-builder based in Cobham, England. It is listed on the London Stock Exchange and is a constituent of the FTSE 250 Index.

In passive solar building design, windows, walls, and floors are made to collect, store, reflect, and distribute solar energy, in the form of heat in the winter and reject solar heat in the summer. This is called passive solar design because, unlike active solar heating systems, it does not involve the use of…

The Lawrence Weston Wind Turbine, also known as the Ambition Community Energy Wind Turbine, is a community-owned wind turbine located in Avonmouth, Bristol, England, near the Seabank Power Station. It is situated beside the A403 road and Severn Estuary, just north of the Avonmouth Docks and Chittening industrial…

In February 2021, the state of Texas suffered a major power crisis, which came about during three severe winter storms sweeping across the United States on February 10–11, 13–17 (known as Winter Storm Uri), and 15–20. The storms triggered the worst energy infrastructure failure in Texas state history, leading to…

The history of coal mining in the United States starts with the first commercial use in 1701, within the Manakin-Sabot area of Richmond, Virginia. Coal was the dominant power source in the late 19th century and the early 20th century, and although in rapid decline it remains a significant source of energy in 2025.