1. RENEWABLE POWER RESOURCES

2. HEP Location: –mountainous & wet areas Advantages: –low running cost –cheap electricity –limited pollution

3. Disadvantages: –high construction cost –disturbs ecosystems & destroys farmland –unreliable electricity supply HEP

4. WIND Location: –windy areas Advantages: –pollution-free –low running cost Disadvantages: –high construction cost –spoils natural beauty –cannot be built in densely populated areas –restricted to windy areas

5. SOLAR ENERGY Location: –areas with much sunshine Advantages: –solar panels are cheap –low running cost Disadvantages: –high construction cost –restricted to sunny areas

6. SOLAR ENERGY

7. TIDAL Location: –coastal areas –large tidal range Advantages: –abundant in coastal areas Disadvantages: –affects water transport –restricted to coastal areas

8. GEOTHERMAL Location: –volcanic regions Advantages: –low running cost Disadvantages: –restricted to volcanic areas

9. THINKS ABOUT: Do we have a free choice in selecting different power resources? What should be considered in making the decision?

10. THINKS ABOUT: What is this? methane hydrates 可燃冰 ( 甲烷水合物 )