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RENEWABLE POWER RESOURCES. HEP. Location: mountainous & wet areas Advantages: low running cost cheap electricity limited pollution. HEP. Disadvantages: high construction cost disturbs ecosystems & destroys farmland unreliable electricity supply. WIND. Location: windy areas
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HEP • Location: • mountainous & wet areas • Advantages: • low running cost • cheap electricity • limited pollution
HEP • Disadvantages: • high construction cost • disturbs ecosystems & destroys farmland • unreliable electricity supply
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
SOLAR ENERGY • Location: • areas with much sunshine • Advantages: • solar panels are cheap • low running cost • Disadvantages: • high construction cost • restricted to sunny areas
TIDAL • Location: • coastal areas • large tidal range • Advantages: • abundant in coastal areas • Disadvantages: • affects water transport • restricted to coastal areas
GEOTHERMAL • Location: • volcanic regions • Advantages: • low running cost • Disadvantages: • restricted to volcanic areas
THINKS ABOUT: Do we have a free choice in selecting different power resources? What should be considered in making the decision?
THINKS ABOUT: • What is this? methane hydrates 可燃冰(甲烷水合物)