Animations
These animations illustrate technologies and concepts from the Office of Energy Efficiency and Renewable Energy's (EERE) programs. Animations about EERE's work in geothermal energy, hydrogen, industrial energy efficiency, solar energy, vehicle technologies, and wind energy are available here.
Crosscutting Technologies
Make Every Day Earth Day
Demonstrates and explains the many different things homeowners and others can do at home to save energy. Also provides an overview of the many types of alternative energy sources that are available.
Geothermal
How a Geothermal Power Plant Works
Shows how a geothermal plant operates.
How an Enhanced Geothermal System Works
Explains how an enhanced geothermal system functions.
Geothermal Heat Pumps — Heating Mode
Shows how geothermal heat pumps heat your home.
Geothermal Heat Pumps — Cooling Mode
Shows how geothermal heat pumps cool your home.
Hydrogen
How Fuel Cells Work
Shows how a polymer electrolyte membrane (PEM) fuel cell works (PEM fuel cells are the most common type used in light-duty fuel cell vehicles).
Hydrogen Fueled Vehicles Have Multiple Safety Systems
Illustrates how multiple safety systems are integrated into the design of hydrogen-fueled vehicles.
Solar Energy
Solar Energy Technology Program Animations
See animations from the Solar Energy Technology Program on its multimedia website.
Vehicles
How Hybrid Electric Vehicles Work
Explains how hybrid vehicles work by showing energy flow among components during various driving activities.
Wind Energy
How Does a Wind Turbine Work?
Shows how wind turbines operate and produce electricity for homes or other buildings.
Installed Wind Capacity Animation
Shows the progress of installed wind capacity from 1999 to present.
Wind Power Animation
Describes wind turbines and the use of wind power to produce electricity in small and large applications.