COMPARISON 01

Wave

WAVE POWER

Wave power is one of the few ways electricity is generated without a steam turbine. A buoy sits atop the ocean with an anchor holding it to the sea bed. as the waves rise and fall, the buoy generates power through a piston.

Advantages

• Almost free long-term
• Requires little maintenance
• Renewable
• Does not pollute

Disadvantages

• New, experimental technology
• Costly short-term

COMPARISON 02

Coal

COAL POWER

Power from coal is generated  by burning it to boil water, which then drives a turbine.

Advantages

• Cheap
• Some by-products can be used for roads
• Plentiful right now

Disadvantages

• Non-renewable
• Creates pollution
• Coal mining destroys the landscape