Energy 101: Geothermal Heat Pumps

An energy-efficient heating and cooling alternative, the geothermal heat pump system moves heat from the ground to a building (or from a building to the ground)...

- U.S Department of Energy

Energy 101 | Concentrating Solar Power

From towers to dishes to linear mirrors to troughs, concentrating solar power (CSP) technologies reflect and collect solar heat to generate electricity...

- U.S. Department of Energy

Energy 101 | Lighting Choices

In this edition of Energy 101, we discuss lighting choices. People have been using the same light bulb since Thomas Edison invented it about 130 years ago...

- U.S. Department of Energy

Energy 101 | Daylighting

Daylighting—the use of windows or skylights for natural lighting and temperature regulation—is one building strategy that can save money for homeowners and...

- U.S. Department of Energy

Energy 101 | Fuel Cell Technology

Learn how fuel cell technology generates clean electricity from hydrogen to power our buildings and transportation—while emitting nothing but water...

- U.S. Department of Energy

Energy 101 | Marine and Hydrokinetic Energy

See how marine and hydrokinetic technologies harness the energy of the ocean's waves, tides, and currents and convert it into electricity to power our homes, buildings and...

- U.S. Department of Energy

Energy 101 | Lumens

Description: In this edition of Energy 101, we talk about Lumens. When you're shopping for light bulbs, compare lumens to be sure you're getting the amount of light...

- U.S. Department of Energy

Energy 101 | Home Energy Assessment

A home energy checkup helps owners determine where their house is losing energy and money. A professional technician - often called an energy auditor...

- U.S. Department of Energy

Energy 101 | Energy Efficient Data Centers

Data centers consume large amounts of energy to run and maintain their computer systems, servers, and associated high-performance components—up to 3%...

- U.S. Department of Energy

Energy 101 | Solar PV

Solar photovoltaic (PV) systems can generate clean, cost-effective power anywhere the sun shines. This video shows how a PV panel converts the energy...

- U.S. Department of Energy

Energy 101 | Algae-to-Fuels

One of the fuel sources of the future is algae, small aquatic organisms that convert sunlight into energy and store it in the form of oil...

-U.S. Department of Energy

Energy 101 | Biofuels

Biomass is an organic renewable energy source that includes materials such as agriculture and forest residues, energy crops, and algae...

- U.S. Department of Energy

Energy Literacy | Introduction

Energy plays a major role in the everyday functions of our planet and all its life forms. From weather patterns and food chains, to human society’s daily electricity...

- U.S. Department of Energy

Energy Literacy | Principle 1

Energy is a physical quantity that follows precise natural laws...

- U.S. Department of Energy

Energy Literacy | Principle 2

Physical processes on Earth are the result of energy flow through the Earth system...

- U.S. Department of Energy

Energy Literacy | Principle 3

Biological processes depend on energy flow through the Earth system...

- U.S. Department of Energy

Energy Literacy | Principle 4

Various sources of energy can be used to power human activities, and often this energy must be transferred from source to destination...

- U.S. Department of Energy

Energy Literacy | Principle 5

Energy decisions are influenced by economic, political, environmental, and social factors...

- U.S. Department of Energy

Energy Literacy | Principle 6

The amount of energy used by human society depends on many factors...

- U.S. Department of Energy

Energy Literacy | Principle 7

The quality of life of individuals and societies is affected by energy choices...

- U.S. Department of Energy