Emerald Energy plc is an energy exploration subsidiary of Chinese state-owned company Sinochem with headquarters in London but is registered offshore in the Isle of Man. The company specialises in oil exploration and production of hydrocarbons.

Great British Energy (GB Energy, GBE) is a publicly owned energy investment company in the United Kingdom. It was established by the Great British Energy Act 2025, which received royal assent on 15 May 2025, and is sponsored by the Department for Energy Security and Net Zero.

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…

The Long Depression was a worldwide price and economic recession, beginning in 1873 and lasting until either March 1879, or the year 1899, depending on the metrics used. It was most severe in Europe and North America, which had been experiencing strong economic growth fueled by the Second Industrial Revolution.

SolaX Power Network Technology (Zhejiang) Co., Ltd. (Chinese: 艾罗能源), commonly known as SolaX Power or SolaX, is a Chinese manufacturer of solar inverters and energy-storage products headquartered in Hangzhou, Zhejiang.

A Renewable Portfolio Standard (RPS) is a regulation that requires the increased production of energy from renewable energy sources, such as wind, solar, biomass, and geothermal, which have been adopted in 38 of 50 U.S. states and the District of Columbia. The United States federal RPS is called the Renewable…

Carbon emission trading (also called carbon market, emission trading scheme (ETS) or cap and trade) is a type of emissions trading scheme designed for carbon dioxide (CO2) and other greenhouse gases (GHGs). A form of carbon pricing, its purpose is to limit climate change by creating a market with limited allowances…

Solar power in Switzerland has demonstrated consistent capacity growth since the early 2010s, influenced by government subsidy mechanisms such as the implementation of the feed-in tariff in 2009 and the enactment of the revised Energy Act in 2018. In 2025, solar power contributes nearly to 8 TWh of generation to the…

Energy is sustainable if it "meets the needs of the present without compromising the ability of future generations to meet their own needs." Definitions of sustainable energy usually look at its effects on the environment, the economy, and society. These impacts range from greenhouse gas emissions and air pollution to…

Engie Energy International, formerly International Power, is a multinational electricity generation company headquartered in Newcastle upon Tyne, and a wholly owned subsidiary of the French company Engie (formerly GDF Suez). The company was formed as International Power in 2000 by the demerger of National Power.