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Learn about the concept of energy and its various forms, such as potential, kinetic, thermal, electrical, and nuclear. Explore how energy is conserved and transformed in different processes and systems.
Energy. In physics, energy (from Ancient Greek ἐνέργεια (enérgeia) 'activity') is the quantitative property that is transferred to a body or to a physical system, recognizable in the performance of work and in the form of heat and light.
Learn the definition and forms of energy, such as kinetic, potential, and radiant energy, and how energy can be converted and never lost. Watch a video tutorial and see examples, questions, and tips from other learners.
Explore data and charts on energy consumption, production, sources, prices, impacts, and access around the world. Learn about the challenges and opportunities of energy transitions, decarbonization, and sustainability.
Hace 6 días · Booming investment in the manufacturing of clean energy technologies, especially solar PV and batteries, is becoming a powerful economic driver globally, creating new industrial and employment opportunities, according to a new report from the International Energy Agency released today.
Clean Energy Columbus has launched! Welcome to the City’s 100% Ohio-based clean energy program, voted on and approved by residents in November 2020. Learn more.
Changes to the State Energy Data System (SEDS) Notice:In October 2023, we updated the way we calculate primary energy consumption of electricity generation from noncombustible renewable energy sources (solar, wind, hydroelectric, and geothermal). Visit our Changes to 1960—2022 conversion factor for renewable energy page to learn more.
