Repsol S.A. (Spanish pronunciation: [reβˈsol]) is a Spanish multinational energy and petrochemical company based in Madrid. It is engaged in worldwide upstream and downstream activities.

RenewableUK, formerly known as the British Wind Energy Association (BWEA), is the trade association for wind power, wave power and tidal power industries in the United Kingdom.

Agrivoltaics (also called agrophotovoltaics, agrisolar, or dual-use solar) refers to the practice of using the same land for both solar energy and agriculture. There are a range of approaches.

Wind power is the use of wind energy to generate useful work. Historically, wind power was used by sails, windmills and windpumps, but today it is mostly used to generate electricity.

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.

BayWa AG (until 1972: Bayerische Warenvermittlung landwirtschaftlicher Genossenschaften AG) is an internationally active group headquartered in Munich, Germany. Originally founded to support domestic agriculture, the company expanded its activities to the construction and energy sectors.

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.