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The recommendation of the Regulatory Committee and the decision taken by the K S E B for purchasing the excess Solar Energy from Private sector is a very good decision. Similarly the Board should take all initial precautions like safety, loss or damage etc but we are very sorry to say that the Board is not bothered about any such loss or damage till date. 
For the success of this Project, first of all we need a fresh Distribution system, Installation, Cabling and Metering etc on grid line. We can transfer the excess Solar Electricity to Grid, only when the Grid Line is alive otherwise the Generated Solar Energy will not be distributed to the Grid ( K S E B ) Line.
When we are supplying excess solar energy to Power Grid line that should be result oriented. But in Kerala this Project is not hopeful to succeed in the near future because in the “ GODS OWN COUNTRY” all days and nights of every season the Power cut is a course to each and every citizen of Kerala. When we are facing the power cut at night we are in darkness and this is the main drawback of this Project which is being used for residential purpose. In this case we need a storage backup facility with which we can survive. For the success of the Solar Power Generating System, we need to follow some of the main instructions like checking the Technical Specifications of the Solar Inverter and a competent technical installation guideline. 

In the previous year the Central Government has announced a Subsidy for the Solar P V application for the implementation and distribution, but later this has been withdrawn by the Govt. Not even a single political party or leader has raised any question regarding the withdrawal of the subsidy for the Solar P V Application and hence we humbly request to have a rethink regarding the above subsidy.


The Central Govt. Subsidy for Solar Water Heater Manufacturing & Trading is facing a Critical Condition which is under Hold. The Amount of Subsidy under hold is around Rs.350-Crores.as per Solar Thermal Federation of India. This subsidy is sanctioned by Jawaharlal Nehru National Solar Mission to the Solar Water Heater Manufacturers. For every Unit the Subsidy Amount is 30%. In the F Y -2012-13 it was 50- Crore, and the last year it was 300-Crores which was not distributed by the Ministry till date.When there is a Business Volume of 800-Crores, the subsidy Amount is Rs.350-Crores.as per Federation Secretary General Jaidev Malviya.The increased tendency of Public towards Solar Water Heater, Subsequently the sale may also increased this year. In this Condition the Subsidy amount will met an Amount of Rs.500-Crores. If this Condition is continued, We afraid that this may cause an END to the Solar Water Heater Industry.

Kerala State to mainstream use of solar energy

The Cabinet on Wednesday approved the Kerala Solar Energy Policy aimed at mainstreaming the use of solar energy in the energy mix of the State. The policy proposes to increase the installed capacity in the solar sector to 500 MW by 2018 and 2,500 MW by 2030. Various incentives are proposed to promote the use of solar energy. The plans include promotion of offsite generation at locations such as canals, reservoirs, wastelands and quarries besides off-shore generating plants.

A) Off-grid applications
Off-grid solar applications shall be promoted for replacing diesel-based generator sets. Interventions will also be made for establishing rooftop system at demand points or consumer premises and promotion of conversion of existing inverter installation to solar power. The State will also promote solar water heating system by making its use mandatory in industrial buildings, hospitals, hotels, housing complexes, hostels, barracks and jails, guesthouses, and similar buildings. It will also promote solar steam systems for wider applications such as community cooking, process industries and laundries, and industrial processes requiring steam. Use of solar power and water heater will be made mandatory for residential flats, buildings with floor area of more than 2,000 sq ft. For off-grid systems, the policy seeks to ensure bank finance at attractive interest rates and provide generation-based incentives. For grid-connected systems, the government itself will set an example by setting up generation facilities in public buildings. The policy urges all concerned to make use of rooftop and premises to install solar plants to match maximum demand of the offices within two years. For grid-connected systems in non-government buildings and premises, incentives will be provided on the basis of net metering, feed-in-tariff, and renewal energy certificate mechanism. Since large-scale absorption of solar power into the system is impossible without sufficient storage, a programmed for exploring and developing pumped storage schemes will be promoted. For evolving safety and quality standards, capability of academic institutions both within and outside the country will be leveraged. The policy also proposes licensing for manufacturers and all solar photovoltaic systems to be installed in the State. Solar procurement obligation will be mandated for commercial consumers with more than 20kVA of connected load.

The policy will be extended to other industrial consumers in a phased manner. At a later stage, similar conditions will also become applicable for high consuming domestic consumers. The legal and regulatory framework that will come into force following implementation of the policy is to mandate 100 litres solar water heater and 500 W solar photovoltaic systems for domestic building with floor area of between 2,000 sq ft to 3,000 sq ft.All buildings above 3,000 sq ft will have to install a 100-litre solar water heater and at least 1,000 W solar photovoltaic system. In case of residential flats and apartments, five per cent of the energy usage for common amenities should be from solar power.

Q.What is the difference between a solar inverter and a normal inverter?
Ans. :-
1. A solar inverter works absolutely on solar power ie., sun light. Whereas a normal inverter works with the current from the grid power. ( to charge the battery while In solar inverter uses sun rays and have the provition to charge using grid power in critical situation )
2. A solar inverter can give more backup time however, a normal inverter gives a full load back up of only 2 to 3 hours.
3. Solar inverter comes with good advanced security features than the normal inverter.

Q. Can you explain the major advantage while installing a solar inverter instead of normal inverter?
Ans : The major advantage is stated below:-
A normal inverter is charged from grid power and it is AC current. While using, AC current is converted into DC current and there will be conversion loss. The conversion is required from ac to dc and the output energy we get is half of what its used in storing in battery. In solar inverter system panel generate dc current while it using to charge the battery there is no conversion loss so we get full efficiency i.e. we get 2 way saving like we can avoid the conversion energy loss and get solar energy free of cost.

Q. Can I convert my existing normal inverter to solar power?
Ans : Yes, you can manually convert the existing UPS or inverter to solar power with some conditions. Before conversion please contact for the technical support for what capacity, model of the panel and the charger should be used for the existing system.

Q: What are included in solar power plant installation ?
Ans:Solar Inverter/UPS for conversion from DC to AC , battery pack for backup of the excess current, solar panels for power generation.

Q. What is the average current generated by the solar?
Ans: The amount of electricity that you can generate depends on the size of system, which way it is facing, whether there is any shading from trees or other buildings and the local climatic conditions. Normally in Kerala climate the average entire year per day calculation is 1000 W Solar panels can create between 4 to 4.5 units electricity per day.

Q. Can the solar work on rainy or cloudy or in winter ?
Ans: Yes, it can, but its efficiency will reduce to produce the electricity and the usage of home appliances will be also reduced during these periods too compared to the sunny days of summer.

Q. Can we give solar connections to house hold items like AC, Washing Machine, Fridge, Water pumps etc?
Ans: Yes, we can give the connections but you have to select the right kind of solar system to power that kind of load.

Q. How is the load calculated?
Ans: The load is calculated by using a simple formula i.e. list out all the house hold items and its current consumption including starting current and by totaling consumption, we get the total amount of the load.

Q. How to decide which type of solar installation is required in homes?
What all precautions are to be taken when considering to install a solar in our home?
Ans: Firstly decide what type of load you are going to give to the solar power plant viz. light or heavy. A place to keep the inverter and battery pack. Panel space availability and that side gets enough sun light. If you need only light load power - give separate wiring it increases efficiency and less distribution loss.

Q. Which all parts of solar panel system are serviceable?
Ans: Yearly Check the battery water level . If the water is less then refill it and also clean the spilled water that has fallen on the battery to avoid any mishap. The panel should be cleaned for any type of dust that is there on it .Use the load that is prescribed in the system configuration for efficient working of the system.

Q. For a new house which is the decision making time? Is it when the construction has begun or after construction, and how to make judgment on whether structural changes or electrical works are needed or not?
Ans: No major structural or electrical works are needed. But if less load is preferred then you need a separate wiring or if the load is of heavy one there is no need of separate wiring. But in DC wiring length from solar panel to solar inverter - make sure that the wiring should have less bends and length should be less so that the distribution loss can be minimized and efficiency of the system will be more.

Q. For optimum efficiency, which side the solar should be kept and why?
Ans: It should face south direction so as to get maximum sunlight and so that the panels are in 90 degrees perpendicular to the sun rays.

Q. How much solar subsidy by kerala and central governments can a consumer get in kerala?
Ans: This was for the limited number of solar installations to be done in kerala by the government. The consumer can get about 30 percent of the total cost by central government and the state government gives 30% for 1KW system. But as of now the Kerala government quota for the solar installation is over.

Q. How a solar panel can be installed in house, in roof top or on ground and which is the best?
Ans: It can be installed on rooftop or ground. There should be sufficient sunlight in the place of installation, but in India, it’s recommended to setup the panels on the rooftop to save space to get more sun rays.

Q. Is battery required or not in solar power plant?
Ans: If installing in a house then the battery pack is necessary for backup purpose, but if it’s installed in a commercial place, functions in day time only then the battery pack is not required.

Q. When selecting a solar panel installer, what all things we should consider?
Ans : 1. Deal with an experienced company.
2. Find out the reliability of the company.
3. Avoid purchase from dealers and retailers. If you are willing, have a contact with the manufacturer and check their service support if any failure happens.

Q. Can you say approximate solar inverter cost ?

Ans: Price of the Solar inverter is depend up on quality , capacity/power of inverter, capacity of battery, type and watts of solar panel we use. Over all cost is based on back-up of solar power we needed. An average cost is 1 Lakhs . KVA