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Solar energy :


It 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 Power generation in grid interactive mode is also encouraged by TNEB based on the policy initiative taken by the government of India.

Power generation using SPV has not gathered momentum due to the

fact that the capital cost is very high even after the subsidy component provided by the Ministry of New and Renewable Energy(MNRE). 

However small sized stand-alone systems and roof top systems are being operated in various locations. At present Solar Energy is being harnessed for thermal /heat source required alone which is some what commercially viable.


Establishment of Solar Power Plants by Generation based  Incentive (GBI) scheme :
  • Generation Based Incentive scheme (GBI) was announced by MNRE for Grid Interactive Solar power generation projects during the year 2009.
  • The power purchase price fixed under the above scheme is Rs.15 per unit.
  •  Generation based Incentive (GBI) will be payable to the Utility for the power purchased from solar project. (i.e.,) as far as the state of Tamil Nadu is considered , TANGEDCO has to bear Rs.4.50/-( which is the maximum tariff fixed by TNERC for every kind of renewable energy other than solar ) .Then the remaining amount Rs. (15.0 – 4.50)= Rs.10.50/- will be borne by the MNRE.
  •  Under the above scheme , M/s. Sapphire Industrial Infrastructures Private Limited have been selected by MNRE to establish  5 MW SPV power   plant  at Rettai Pillai Iynarkulam village, New Kallatthur , Sivagangai Tk, Sivagangai district.
Jawaharlal Nehru National Solar Mission (JNNSM) :
          Ministry of New and Renewable Energy / GoI have launched Jawaharlal Nehru National Solar Mission (JNNSM). The mission has set a target of 20,000 MW and stipulates implementation and achievement of Target in 3 phases (Phase I – 2012-13, Phase II 2013-17, Phase III 2017-22).
          The establishment of Grid connected Solar power generation is broadly divided into two schemes namely,
(1) NVVN Scheme
(2) RPSSGP Scheme 
I.    NVVN Scheme :- (NTPC’s Vidyut Vyapar Nigam Ltd.,)
Under this scheme, NTPC Vidyut Vyapar Nigam Ltd., (NVVN) is designated as Nodal Agency for procuring the Solar power from Solar power generators, which are connected to the grid at a voltage level of 33 KV and above.
·         Only one developer (M/s.CCCL Infrastructure – 5 MW capacity) have been selected under this Scheme and comissioned their project on 29/03/2012.
II.         RPSSGP Scheme :- (Roof Top Photo Voltaic & Small Solar Generation Program)
Under this Scheme, IREDA (Indian Renewable Energy Development Agency) has been designated as Program Administrator for selection of solar power generators for establishment of SPV plants which are to be connected at a voltage level of below 33 KV.
·         7 Developers have been selected under this Scheme.
(1) M/s.RL Clean Power (1 MW)
(2) M/s.B&G Solar (1 MW)
(3) M/s.Great Shine Holdings (1 MW)
(4) M/s.Gemini Geoss (1 MW)
(5) M/s.Amsons (1 MW)
(6) M/s.Harrisons (1 MW)
(7) M/s.Noel (1 MW) 
6 Nos. power plants have been commissioned and works are under progress for the other plants.

REC Scheme (Renewable Energy Certificate):

          Under this scheme, application for the establishment of solar power plants in Tamil Nadu have been received directly at O/o the Chief Engineer/ NCES/TANGEDCO/Chennai-2. The developer have been paid TANGEDCO’s average pooled purchase cost of Rs. 2.37/unit on export of solar power to TNEB grid. For every MWHr generation i.e. 1000 KWHr, a certificate will be issued to the solar power developer which can be traded in CERC authorized power exchange.


          Under this scheme, M/s. Numeric Power Systems Limited has commissioned 1 MW solar PV power plant at Kuppepalayam village, Coimbatore district on 9.5.12.  


        Solar energy can also be used to meet our electricity requirements. Through Solar Photovoltaic (SPV) cells, solar radiation gets converted into DC electricity directly. This electricity can either be used as it is or can be stored in the battery. This stored electrical energy then can be used at night. SPV can be used for a number of applications such as:

a. domestic lighting
b. street lighting
c. village electrification
d. water pumping
e. desalination of salty water
f. powering of remote telecommunication repeater stations and
g. railway signals.

                 If the means to make efficient use of solar energy could be found, it would reduce our dependence on non-renewable sources of energy and make our environment cleaner the next few years it is expected that millions of households.


Guide lines for Generation Based Incentive for Grid interactive Solar Power Generation projects are availiable at www.mnre.gov.in


  For Registration and applications details click here



Tamil Nadu Generation and Distribution Corporation