RENEWABLE RENEWABLE POWER RESOURCESPOWER RESOURCES

HEP

• Location:– mountainous &

wet areas

• Advantages:– low running

cost– cheap

electricity– limited

pollution

• Disadvantages:– high construction cost– disturbs ecosystems & destroys

farmland– unreliable electricity supply

HEP

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

SOLAR ENERGY

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 )