Makro (stylized as makro) is a South African warehouse club retail chain. Owned by local retail holding company Massmart, it operates under the Dutch Makro brand name.

Costco Wholesale Corporation is an American multinational corporation that operates a chain of membership-only big-box warehouse club retail stores. As of 2025, Costco is the third-largest retailer in the world, and as of August 2024, the world's largest retailer of beef, poultry, organic produce, and wine, with just…

A power purchase agreement (PPA), or electricity power agreement, is a long-term contract between an electricity generator and a customer, usually a utility, government or company. PPAs may last anywhere between 5 and 20 years, during which time the power purchaser buys energy at a pre-negotiated price.

Good Energy Group PLC is a British energy company based in Chippenham, Wiltshire that provides services in the electrification of transport and decentralised renewable energy generation such as domestic solar panels. The company is also an energy retailer, and built a portfolio of wind and solar generation which was…

Electricity price forecasting (EPF) is a branch of energy forecasting which focuses on using mathematical, statistical and machine learning models to predict electricity prices in the future. Over the last 30 years electricity price forecasts have become a fundamental input to energy companies' decision-making…

From the mid-1980s to September 2003, the inflation-adjusted price of a barrel of crude oil on NYMEX was generally under US$25/barrel in 2008 dollars. During 2003, the price rose above $30, reached $60 by 11 August 2005, and peaked at $147.30 in July 2008.

Many countries and territories have installed significant solar power capacity into their electrical grids to supplement or provide an alternative to conventional energy sources. Solar power plants use one of two technologies: Photovoltaic (PV) systems use solar panels, either on rooftops or in ground-mounted solar…

A feed-in tariff (FIT) is paid by energy suppliers in the United Kingdom if a property or organisation generates their own electricity using technology such as solar panels or wind turbines and feeds any surplus back to the grid. The FIT scheme was imposed on suppliers by the UK government, and applied to…

An energy crisis from 2021 to 2023 began in the aftermath of the COVID-19 pandemic, resulting in shortages and increased prices in oil, gas and electricity markets. The crisis was particularly acute in Europe, and especially following the Russian invasion of Ukraine, the energy crisis became popularly associated with…

The Inflation Reduction Act of 2022 (IRA), Pub. L. 117–169 (text) (PDF), is a United States federal law which aimed to reduce the federal government budget deficit, lower prescription drug prices, and invest in domestic energy production while promoting renewable energy.