1. The NEED Project: 30 Years of Energy Education1 Solar Energy

2. Radiant Energy The NEED Project: 30 Years of Energy Education2

3. Average Daily Solar Insolation Per Month The NEED Project: 30 Years of Energy Education3

4. 4

5. Drying Agricultural Products Heating Water Space Heating Generating Electrical Energy The NEED Project: 30 Years of Energy Education5 Major Uses of Solar Energy

6. Solar Technologies The NEED Project: 30 Years of Energy Education6 o Daylighting o Passive Solar Heating o Active Solar Heating o Concentrating Solar Thermal o Photovoltaics (PV)

7. The NEED Project: 30 Years of Energy Education7 Passive Solar

8. Daylighting The NEED Project: 30 Years of Energy Education8

9. 9 Active Solar Heating Flat Plate Collector Evacuated Tube Collector

10. Concentrating Solar Power The NEED Project: 30 Years of Energy Education10

11. Power Tower The NEED Project: 30 Years of Energy Education11

12. How a Power Tower Works The NEED Project: 30 Years of Energy Education12

13. The NEED Project: 30 Years of Energy Education13 Photovoltaics

14. The NEED Project: 30 Years of Energy Education14

15. PV Cell The NEED Project: 30 Years of Energy Education15

16. PV Array Components o PV Cells o Modules o Arrays The NEED Project: 30 Years of Energy Education16

17. True or False?

18. Today’s PV Cells are less than 20% efficient at converting radiant energy to Electrical energy

19. It’s True!

20. Conversion Efficiency The NEED Project: 30 Years of Energy Education20

21. PV System Components The NEED Project: 30 Years of Energy Education21

22. Residential PV Installation The NEED Project: 30 Years of Energy Education22

23. The NEED Project: 30 Years of Energy Education23

24. Source: Solarbuzz, a part of The NPD Group

25. Advantages and Disadvantages The NEED Project: 30 Years of Energy Education25

26. o Clean o Sustainable o Free o Provide Electricity to Remote Places The NEED Project: 30 Years of Energy Education26 Advantages of Solar Energy

27. Disadvantages of Solar Energy o Inefficient and costly equipment o Part Time o Reliability Depends On Location o Environmental Impact of PV Cell Production The NEED Project: 30 Years of Energy Education27

28. The NEED Project: 30 Years of Energy Education28