India’s effort in renewable energy led to drop in solar price

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Merkley said during the hearing on Energy and International Development that because of India’s effort in renewable energy there has been a considerable drop in solar price..

This transition occurred in this single year between April and June


At one point in a conversation with the Prime Minister in India, he was relaying – this is now outdated, but he wanted to reach two-thirds of the 300 million folks in India with electricity from coal-powered plants and a third with renewable.

India has been able to auction for power, grid-connected solar power at very competitive prices and now believes that solar power is cheaper than coal without subsidy.Image result for solar energy

What we see in smaller projects around the world and in particular in Africa is the lack of availability to well- priced long-term debt. And perhaps a lack of awareness within the banking sector and some of the developing countries around the future for off-grid renewable energy.

Environment and Energy

Sound management of the earth’s ecosystems is fundamental for sustained economic growth, livelihoods, security, and human well-being. Natural resources such as clean water and air, forests, agricultural land, and coastal systems all provide the basis for lasting human development and resilience.

Solar energy

Solar energy is the most readily available source of energy. It does not belong to anybody and is, therefore, free. It is also the most important of the non-conventional sources of energy because it is non-polluting and, therefore, helps in lessening the greenhouse effect.

Solar energy is radiant light and heat from the Sun that is harnessed using a range of ever-evolving technologies such as solar heating, photovoltaics, solar thermal energy, solar architecture, molten salt power plants and artificial photosynthesis.

Development Agency and the Ministry of Non-Conventional Energy Sources are formulating a programme to have solar energy in more than a million households in the next few years. However, the people’s initiative is essential if the programme is to be successful.

India is one of the few countries with long days and plenty of sunshine, especially in the Thar desert region.

This zone, having abundant solar energy available, is suitable for harnessing solar energy for a number of applications. In areas with similar intensity of solar radiation, solar energy could be easily harnessed. Solar thermal energy is being used in India for heating water for both industrial and domestic purposes. A 140 MW integrated solar power plant is to be set up in Jodhpur but the initial expense incurred is still very high.


The Earth receives 174 petawatts (PW) of incoming solar radiation (insolation) at the  upper   atmosphere.   Approximately 30% is reflected back to space while the rest is absorbed by clouds, oceans and land masses.

Yearly solar fluxes & human consumption
Biomass potential~200[16]
Primary energy use2539[17]
1 Energy given in Exajoule (EJ) = 1018 J = 278 TWh
2 Consumption as of year 2010





The solar technology can be distinguished into active and passive. Photovoltaic panels and solar thermal collectors which harness solar energy are examples of active solar technology. Passive technology includes constructing rooms to improve air circulation, orienting space to favorably use sunlight.

Applications of solar energy

  • domestic lighting
  • street lighting
  • village electrification
  • water pumping
  • desalination of salty water
  • powering of remote telecommunication repeater stations and
    g. railway signals.
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