Water heating is a heat transfer process that uses an energy source to heat water above its initial temperature. Typical domestic uses of hot water include cooking, cleaning, bathing, and space heating.

The phrase sustainable industries is related to the development of industrial processes in a sustainable way. The phrase refers to greening of energy intensive industries such as the textiles, steel, cement, and paper industries.

SSE plc (formerly Scottish and Southern Energy plc) is a British multinational electricity company headquartered in Perth, Scotland. It is listed on the London Stock Exchange, and is a constituent of the FTSE 100 Index.

Electric power transmission is the bulk movement of electrical energy from a generating site, such as a power plant, to an electrical substation. A long conductor used to facilitate such movement is called a transmission line.

Altenergy Power System better known as APsystems (formerly APS) is a global technology company that operates in the renewable energy space. APsystems is a provider of multi-platform module-level power electronics (MLPE) solutions for the solar photovoltaic (PV) industry.

Vitol (pronounced Vee-Tol) is a Swiss-based Dutch multinational energy and commodity trading company that was founded in Rotterdam in 1966 by Henk Viëtor. Vitol has over 40 offices worldwide, with its largest operations in Geneva, Houston, London, and Singapore.

The economy of Papua New Guinea (PNG) is largely underdeveloped with the vast majority of the population living below the poverty line. It is dominated by the agricultural, forestry, and fishing sector and the minerals and energy extraction sector.

While being a major oil producing country, the United Arab Emirates (UAE) has taken steps to introduce solar power on a large scale. However, solar power still accounts for a small share of energy production in the country.

This is a list of notable photovoltaics (PV) companies. Grid-connected solar photovoltaics (PV) is the fastest growing energy technology in the world, growing from a cumulative installed capacity of 7.7 GW in 2007, to 320 GW in 2016.

The Renewable Heat Incentive (the RHI) is a payment system in England, Scotland and Wales, for the generation of heat from renewable energy sources. Introduced on 28 November 2011, the RHI replaced the Low Carbon Building Programme, which closed in 2010.