Energy Encyclopedia
The Daily Energy Knowledge Graph: encyclopedia, database and reference pages on energy terms, companies, people, countries, fields and infrastructure.
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How Does a Nuclear Power Plant Work?
How does a nuclear power plant work? It uses the heat released when uranium atoms split to make steam, and the steam spins a turbine...
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The Largest Oil Fields in the World, Ranked
There is no single, universally agreed ranking of the world’s largest oil fields, because “largest” can mean total oil ever discovered, oil still remaining to...
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Inside Ghawar, the World’s Largest Oil Field
Ghawar is a roughly 230-kilometer-long oil field in eastern Saudi Arabia that has produced more crude oil than any other field in history — over...
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How Do Wind Turbines Work?
How do wind turbines work? They capture the kinetic energy of moving air with rotating blades, turn that rotation into mechanical power in a shaft,...
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How Do Solar Panels Work?
How do solar panels work? Each panel contains solar cells made mostly of silicon, and when sunlight hits them the light knocks electrons loose, which...
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What Is a Battery Energy Storage System (BESS)?
Last updated: November 9, 2026 A battery energy storage system (BESS) is a grid-connected installation of rechargeable batteries, usually lithium-ion, that stores electricity when it...
