Wednesday, June 29, 2011

Tapping Optimum Solar Energy

The Electricity Generation from Renewable Energy sources is on the rise throughout the world. It is estimated that around 18% of world’s electricity is generated through renewable energy, replacing usage of conventional fossil fuels to this extent. In the near future the dependence on renewable energy will certainly become inevitable. The output of hydro-electricity is about 15% of the world’s power generation with 3% from other renewables. Nuclear energy also plays a pivotal role along with coal based power generation plants. But in view of saving the planet earth from continuous consumption of fossilised fuels and reducing the emission of toxic greenhouse gases, the alternative generation of electricity through solar energy is now under active consideration by many nations. There are some economic and non-technical barriers preventing the widespread use of renewables. The strong determination and dedicated efforts by political leadership of a particular nation could cross these barriers and drive the wider acceptance of renewable energy technologies.

Solar energy
is the energy derived directly from the Sun and this abundant energy is available on Earth. Since the solar source for renewable energy is clean and free, countries of the world can protect its people, environment and future economic development by using renewable energy sources. Solar energy is the most efficient renewable energy source. It can be easily converted into useable energy. The installed solar power capacity worldwide is expected to rise from 40 GW in 2010 to 100 GW in 2013 and 130 GW in 2015.

In fact Germany, Spain, Japan and Italy use more solar power than the global leaders for solar manufacturing countries like U.S and China. Solar energy use may be struggling now but it is likely to dominate in the future. Currently, unlike oil, coal is dominating now but these energy types of fossilised fuels will run out in the future.

The Concentrated Solar Power (CSP) technology boom has already geared up in Germany (17193MW), Spain (3784MW), Japan (3622MW), United States (2693MW), Italy (2500MW appx.) and other countries. These countries marching ahead to install solar projects are using perfect technology, research, planning, encouragement and implementation. They are getting guaranteed feed in tariffs to subsidize new solar installations. These feed-in tariffs encourage investment in solar development by providing renewable power producers with a long-term guarantee to purchase the power they generate.

In India the implementation of solar projects is at its infancy stage and India’s approach to renewables is not as fast as expected due to numerous reasons. The solar power capacity installed so far is a meager 30MW and India is ranked ninth in manufacturing the solar panels. Jawaharlal Nehru National Solar Mission (JNNSM) was launched in July 2009 by the Government for deployment of 20GW of solar power by 2022 and 2GW equivalent off-grid solar applications. Setting up 1,000 MW solar capacity is planned in India’s Phase-1, which is to be producing electricity by 2013. But during 2010-11, NVVN has only selected new projects of about 620 MW capacity (470 MW of solar thermal and 150 MW of solar PV). A far cry from the 1,000 MW it was promising.

 
The following points are likely to speed up in achieving the targets of many countries mission program:


1.The financial institutions should loosen loan policies towards developers of Solar Power under renewable energy.
2.  Encouragement from the Govt. is needed to set up manufacturing units to build solar equipment like: Tracking Devices (single axis and dual axis), Receivers, Heliostats including large size mirrors, molten salt pumps, automation systems, panels (Mono & Poly-crystalline PV cells, CPV panels) etc…
3.Encouraging developers to establish plants at a faster pace by providing land at suitable locations, facilitating loans at lower interest rates, exemption/minimising import duties when the owner’s country are short of project equipment.
4.To achieve the goal of this mission must establish a Project Monitoring Group which helps to solve the major hurdles faced by the developers by liaising.
5.Since many countries are still struggling to implement projects at lower cost and to prove solar as a viable technology, the Govt. has to take steps to create a healthier environment liaising between manufacturers and project developers.
6.Allotment of projects based on discount based tariff, discourages many small developers, thus a fixed tariff is the right thing to encourage.
7.The respective states authorities be authorised to allot projects of small magnitude by fixing at the tariffs, a fixed rate based on the viable cost data and approved by the state electricity regulatory authorities.
8.Tie-ups with the technology provider countries should share the knowledge and latest developments in implementation of projects duly imparting training to personnel and encouraging prestigious educational institutions to come out with results of research at a faster rate. The Allocation of funds to train-up personnel and establishing exclusive research institutions. Thus, encouraging frequent interactions between the research groups.
9.Identifying and inviting extraordinary/outstanding research wings, individuals (for research, development, and testing of concentrating solar power technologies from other countries to advise on the renewable energies.
10.Strengthening and improving to the existing transmission system for the grid parity projects and readying the system well in advance.

                       

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