Introduction

Which energy sources seem to have an infinite supply with minimal environmental effects?



C11.1 electric power lines in Banff National Park
Technologies that promote sustainable energy are those that use renewable energy sources and those that are designed to improve energy efficiency.

Sustainable energy is energy that is used at a much slower rate than is required to replenish it, so its supply seems endless. It is also an energy source that has products and effects on the environment that are manageable and minimal.

  Targets

By the end of this lesson, you will be able to

  • compare the energy content of fuels used in thermal power plants in Alberta in terms of costs, benefits, efficiency, and sustainability
  • explain the need for efficient energy conversions to protect our environment and to make judicious use of natural resources

  Watch This

Which Power Source Is Most Efficient? © YouTube Seeker  


This video provides you with an extensive overview of the different power sources in creating electricity. It focuses primarily on the efficiencies of the different power sources and also discusses the advantages and disadvantages of them. This will help get you in the right mindset for this lesson in this section.