Green Energy- Sustainable Energy

Green Energy - Sustainable Energy

Energy is sustainable if it "meets the needs of the present without compromising the ability of future generations to meet their own needs". 


Types of Sustainable Energy

All renewable energy sources like solar, wind, geothermal, hydropower and ocean energy are sustainable as they are stable and available in plenty.

Solar   

long rows of dark panels, sloped about 45 degrees at the height of a person, stretch into the distance in bright sunshine


A photovoltaic power station in California, United States


Wind power

Wind has been an important driver of development over millennia, providing mechanical energy for industrial processes, water pumps, and sailing ships.

Photograph of wind turbines against a hazy orange sky

Wind turbines in Xinjiang, China


Hydropower

a river flows smoothly from rectangular openings at the base of a high sloping concrete wall, with electricity wires above the river



Guri Dam, a hydroelectric dam in Venezuela

Hydroelectric plants convert the energy of moving water into electricity. 

Geothermal   

3 enormous waisted vertical concrete cylinders, one emitting a wisp of steam, dwarf a building in the foreground


Cooling towers at a geothermal power plant in Larderello, Italy


Bioenergy



Man lighting a lamp hung from the ceiling

Kenyan dairy farmer lighting a biogas lamp. Biogas produced from biomass is a renewable energy source that can be burned for cooking or light.


A sugarcane plantation to produce ethanol in Brazil

Biomass is renewable organic material that comes from plants and animals. It can either be burned to produce heat and electricity or be converted into biofuels such as biodiesel and ethanol, which can be used to power vehicles.


Marine energy   

Marine energy has the smallest share of the energy market. It includes tidal power, which is approaching maturity, and wave power, which is earlier in its development. 



India's Effort in Sustainable Energy - MNRE

The Ministry of New and Renewable Energy (MNRE) is the nodal Ministry of the Government of India for all matters relating to new and renewable energy.

The broad aim of the Ministry is to develop and deploy new and renewable energy to supplement the energy requirements of the country.

Mission

Energy Security: Development and deployment of alternate fuels like hydrogen, bio-fuels and synthetic fuels and their applications to contribute towards bridging the gap between domestic oil supply and demand; lesser dependency on oil imports

Increase in the share of clean power: Renewables like wind, hydro, solar, geothermal, bio & tidal power to supplement fossil fuel based electricity generation.

Energy Availability and Access: Supplement energy needs of cooking, heating, motive power and captive generation in rural, urban,industrial and commercial sectors

Energy Affordability: Cost-competitive, convenient, safe, affordable and reliable energy supply options

Energy Equity: Per-capita energy consumption at par with the global average level by 2050, through a sustainable and diverse fuel- mix.



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