Electricity, power grids, solar, wind, hydro, nuclear, fuels, batteries, and energy efficiency.
Energy World explores how energy is produced, converted, stored, transported, and used, comparing major technologies and the tradeoffs involved in reliable energy systems.



Charge, current, voltage, circuits, generators, motors, AC, DC, and safety.
ExploreGeneration, transmission, substations, transformers, distribution, balancing, outages, and smart grids.
ExploreSunlight, photovoltaic cells, panels, inverters, rooftop solar, farms, storage, and tradeoffs.
ExploreWind, blades, generators, towers, wind farms, offshore wind, variability, and wildlife.
ExploreDams, turbines, reservoirs, run-of-river, pumped storage, grid roles, ecosystems, and drought.
ExploreFission, chain reactions, steam, containment, radiation, waste, carbon, and tradeoffs.
ExploreCoal, oil, natural gas, combustion, transportation, climate, pollution, and transition.
ExploreElectrochemical cells, ions, lithium-ion, charging, EV packs, grid batteries, recycling, and safety.
ExploreEarth heat, reservoirs, power plants, volcanic regions, heat pumps, reliability, limits, and impacts.
ExploreBuildings, LEDs, heat pumps, appliances, transportation, industry, smart controls, and habits.
ExploreAmazing facts about sunlight, grids, conversion losses, batteries, nuclear energy, wind, hydro, and efficiency.
ExplorePlay and learn with educational games.
Coming Soon