Page 1 - MM

Hydro Wind

Hydro power plant Wind enery mill
kinetic energy of the flowing water kinetic energy of the wind is used to rotates a
or the potential energy of the water
at height is used to turn the turbine set of blades and rotational energy of the
and generate electricity. blades is used to do some mechanical work
and power the turbine to generate electricity

Advantages: Advantages:
1.Renewable 1.Renewable
2. Pollution free 2. Pollution free

Disadvantages:
Disadvantages:
1. dam construction is 1. power generation
costly
low
2. neighbouring eco 2. noise pollution
system is affected

Solar fuels Heat engines
Photovoltaics
Solar cookers, solar
i.Solar cell water heaters, solar
ii.Solar panel furnaces, solar
thermal plants

advantages
Energy from heat Renewable,low
maintenance cost

Solar disadvantages
Solar thermal high cost
energy installation &
Energy weather dependant