primary energy, definition of

This is the small but not insignificant amount of energy that some of your appliances, such as your television, stereo, answering machine, and microwave oven are using when they are turned off.

Unplugging the devices when you’re not using them or plugging them into a power strip with an on/off switch is often the only way to avoid this waste of power.

• 2010 - Chart of The Year
  A picture says a thousand words. In this post you will find only charts and graphs conveying important points from the world of energy 2010.
• The financial return on energy invested
  Global GDP data from the USDA. Primary energy data and energy prices from the BP statistical reveiw of world energy 2009.

Related Tags: environment