CM’s Solar Powered Green House Scheme

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Govt of Tamil Nadu has launched Solar powered Green House Scheme. Under this scheme 3 lakh houses will be constructed with solar powered lighting systems over a period of 5 years from 2011-12 to 2015-16 for the benefit of poor in rural areas.

For the year 2011-12, 60,000 Houses have been taken up and solar powers lighting systems are provided at an estimated cost of Rs.180 Cr. Out of 180 Cr the eligible subsidy from Ministry of New and Renewable Energy, GOI will be appx Rs.42.6 Cr

For the year 2012-13 , 60,000 Houses have been takenup and are being provided with 49650 CFL based , 10,350 LED based solar power lighting system at an estimated cost of Rs 180 Cr. With approximately Rs 39.42 Cr subsidy from MNRE .

The solar lighting system consists of 5 nos CFLs/ LEDsone each in Living room, Bed room, Kitchen, Toilet & Verandah. These CFLs/ LEDscan be operated for 5 hrs a day. The solar home lighting system is with grid backup and has following innovative features:

1. Smart power conditioning unit to charge the battery from grid only in rainy or cloudy days when solar power is insufficient.

2. MNRE design of solar system is with 3 day autonomy. ie., even if it is raining for 3 days the system will work as the required energy for 3 days is generated by the panel & stored in the battery. Provision of grid back up avoids requirement of autonomy for more than a day. Hence additional capacity of battery and SPV panel required for more autonomy is reduced, resulting in huge capital saving.

3. Direct EB supply to lights in case of failure of Battery/Inverter

4. Comprehensive maintenance of the systems by the supplier for 5 years

5. Call Centre is established for addressing the grievance of beneficiaries.

Energisation Of Street Lights Through Solar Power

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Govt of Tamil Nadu has decided to energise 1 lakh street lights in village panchayats through solar power over a period of 5 years upto 2016. For the year 2011-12, 20,000 street lights have been taken up at an estimated cost of Rs. 50.5 Cr out of which Ministry of New and Renewable Energy, GOI provides the subsidy of Rs. 8.1Cr.

For the year 2012-13, 20,000 street lights have been taken up at an estimated cost of Rs. 50.5 Cr out of which Ministry of New and Renewable Energy, GOI provides the subsidy of Rs. 8.1Cr

The street lights are energised through solar power in three categories.

1. Per year 18000 existing street lights with 40W incandescent bulbs or tube lights are replaced with 20W LED lights and powered in clusters from centralised Solar Photo Voltaic(SPV) power plants through the existing distribution line of TANGEDCO, with grid backup.

2. per year 1000 new LED based street lights are powered in clusters from centralised SPV power plants.

3. Per year 1000new LED based stand alone street lights are powered by SPV.

LED lights are used as its life is around 50,000 hrs, which is 5-8 times that of CFL and consumes only half of the energy consumed by CFL.

This is first of its kind in the country, as the existing street lights so far powered from grid supply are now being powered with solar energy with provision for grid backup. ie., Battery charges from EB supply only during Cloudy/Rainy days.

The solar street lighting system has following innovative features:

1. Remote monitoring unit is provided to monitor the performance of the street lighting systems from anywhere. A daily fault report will be generated & given to the installer for rectification within 48 Hrs. Tampering of Panel, battery & inverter housing is also monitored.

2. Automatic ON/OFF control of the lights from 6am to 6 pm

3. Automatic dimming of lights to one third during off peak hours. The LED lights glow with full brightness during the peak hours (Evening 6.00pm-10.00pm & Morning 5.00am – 6.00am) and one third of full brightness during remaining period. This reduces the capacity of SPV panel, Battery and other accessories resulting in huge reduction in investment, while going for large scale implementation.

4. Smart power conditioning unit to charge the battery from grid only in only during rainy or cloudy days when solar power is insufficient.

5. MNRE design of solar system is with 3 day autonomy. ie., even if it is raining for 3 days the system will work as the required energy for 3 days is generated by the panel & stored in the battery. Provision of grid back up avoids requirement of autonomy for more than a day. Hence additional capacity of battery and SPV panel required for more autonomy is reduced, resulting in huge capital saving.

6. Direct EB supply to lights in case of failure of Battery/Inverter

7. Comprehensive maintenance of the systems by the supplier for 5 years.

Install solar on house – save upto Rs.14,700 per year

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