Rooftop solar power
A rooftop solar power system, or rooftop PV system, is a photovoltaic (PV) system that has its electricity-generating solar panels mounted on the rooftop of a residential or commercial building or structure. The various components of such a system include photovoltaic modules, mounting systems, cables, solar inverters…
Energy subsidies in the United States
Energy subsidies are government payments that keep the price of energy lower than market rate for consumers or higher than market rate for producers. These subsidies are part of the energy policy of the United States.
MoneySuperMarket
MONY Group plc, trading as MoneySuperMarket, is a British company which specialises in technology-led money-saving platforms including several price comparison websites. The company enables consumers to compare prices on a range of products, including energy, car insurance, home insurance, travel insurance, mortgages,…
Feed-in tariffs in the United Kingdom
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…
2020s energy crisis
The 2020s energy crisis was an energy crisis that 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…
Inflation Reduction Act
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.
Federal Energy Regulatory Commission
The Federal Energy Regulatory Commission (FERC) is an independent agency of the United States government that regulates the interstate transmission and wholesale sale of electricity and natural gas and the prices of interstate transport of petroleum by pipeline. FERC also reviews proposals to build interstate natural…
Home energy storage
Home energy storage refers to residential energy storage devices that store electrical energy locally for later consumption. Usually, electricity is stored in lithium-ion rechargeable batteries, controlled by intelligent software to handle charging and discharging cycles.
Tesla Megapack
The Tesla Megapack is a large-scale rechargeable lithium-ion battery stationary energy storage product, intended for use at battery storage power stations, manufactured by Tesla Energy, the energy subsidiary of Tesla, Inc. Launched in 2019, a Megapack can store up to 3.9 megawatt-hours (MWh) of electricity.
Power purchase agreement
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.