Electricity sector of the United States
The United States has the second largest electricity sector in the world, with 4,430 Terawatt-hours of generation in 2025. In 2024 the industry earned $514b in revenue (1.8% of GDP) at an average price of $0.129/kWh.
Economics of nuclear power
The economics of nuclear power concerns the costs, financial risks, and economic factors involved in generating electricity from nuclear reactors, including the capital required to build plants, the operating and fuel costs over their lifetime, and the expenses of decommissioning and managing radioactive waste. It…
Limitation of the Vend
The Limitation of the Vend was a historic price fixing cartel of coal mine owners of north east England. Its principal customers were ships' captains who purchased cargoes of coal and aimed to resell them in other parts of England; but above all in London which, by becoming the planet's first large mineral-fuelled…
Energy transition
An energy transition (or energy system transformation) is a major structural change to energy supply and consumption in an energy system. Currently, a transition to sustainable energy is underway to limit climate change.
Renewable energy
Renewable energy (also called green energy) is energy made from renewable natural resources that are replenished on a human timescale. The most widely used renewable energy types are solar energy, wind power, bioenergy/biomass, and hydropower.
NRG Energy
NRG Energy, Inc. is an American energy company, headquartered in Houston, Texas.
Geothermal energy
Geothermal energy is thermal energy extracted from the Earth's crust. It combines energy from the planet's formation and from radioactive decay.
Constellation Energy
Constellation Energy Corporation is an American energy company headquartered in Baltimore, Maryland. The company provides electric power, natural gas, and energy management services.
Open energy system models
Open energy-system models are energy-system models that are open source. These models can also be known as open energy models or open-source energy-system models or some combination thereof.
Octopus Energy
Octopus Energy Group Limited (formerly Octopus Energy Limited and Octopus Energy Holdings Limited), known as Octopus Energy, is a British company operating in the fields of energy generation and supply. It was founded in 2015 with the backing of Octopus Group, a British asset management company.