6.5.MARINE POWER STATIONS:
Use the movement of ocean wáter to generate electricity.

• Tidal power stations,which use the energy of tides.
• Wave power stations,which use the energy of waves.
• Ocean thermal conversión stations,which use the difference in wáter temperatura between the surface of the ocean and deeper áreas to produce energy.
  

6.6.GEOTHERMAL POWER STATIONS:

• It can be used directly to provide hot wáter for heating and industrial uses.In some places,this hot wáter is used for bathing and health spas.
• It can be used indirectly to drive generators and produce electricity.