Alliant Energy Corporation is a public utility holding company headquartered in Madison, Wisconsin, providing power in Iowa and Wisconsin.

An energy crisis or energy shortage is any significant bottleneck in the supply of energy resources to an economy. In literature, it often refers to one of the energy sources used at a certain time and place, in particular, those that supply national electricity grids or those used as fuel in industrial development.

DCC Energy plc (formerly DCC plc) is a multi-energy sales and distribution business operating in Europe and the US. Headquartered in Dublin, DCC Energy plc is listed on the London Stock Exchange and is a constituent of the FTSE 100 Index.

CDW Corporation is an American multi-brand provider of information technology services, serving business, government, education, and healthcare sectors across the United States, the United Kingdom, and Canada. Headquartered in Vernon Hills, Illinois, CDW is a Fortune 500 and generated $21 billion in annual net sales…

In marketing, geomarketing (also called marketing geography) is a discipline that uses geolocation (geographic information) in the process of planning and implementation of marketing activities. It can be used in any aspect of the marketing mix — the product, price, promotion, or place (geo targeting).

The Global energy crisis (2021–2023) has caused varying effects in different parts of the world.

The Centre for Renewable Energy Systems Technology (CREST) is a research centre into renewable energy based in the Department of Mechanical, Electrical and Manufacturing Engineering, Loughborough University in England.

Ampli Energy (stylized as ampli ENERGY) is a South African company providing a renewable energy trading platform that uses a wheeling process to deliver green energy to consumers. The company was founded in 2025, as a joint venture between major South African financial services and private healthcare company…

World energy resources are the estimated maximum capacity for energy production given all available resources on Earth. They can be divided by type into fossil fuel, nuclear fuel and renewable resources.

Opus Energy Limited supplied gas and electricity to businesses across the United Kingdom. It purchases electricity from wind, solar, hydro, and anaerobic digestion generators, and provides support to develop energy-generating sites.