Solar Power

Solar Power

1. How It Works

   • Photons cause electrons to move
     • Causes flow of electricity

2. Advantages

   • Clean and renewable
   • Source lasts forever
   • Little maintanace required
   • High investment
     • Price guaranteed for 25yrs
       • Depends on time of installation

3. Disadvantages

   • Unreliable - No sun=no power
   • Solar farms cause visual pollution
   • Take up a lot of land (if not on rooves)

4. Examples

   • UK capacity is 1GW
   • By 2020 could expand to 22GW

5. Location Factors

   • Large amount of sunlight
     • Facing equator
     • Not blocked by trees
   • Space for panels
   • Warm climate