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Approximate cost and Subsidy
1. Cost
Approximate cost of the systems with different capacities for providing hot water at a temperature of 60-70C in a day are given in following table:
| System Capacity (lpd)* | ETC based systems with glass tubes | FPC based systems with metallic collectors | ||
| Cost (Rs) | Maximum Solar collector area** (sq. m.) | Cost (Rs) | Maximum Solar collector area** (sq. m.) | |
| 100 | 12000 | 1.5 | 23500 | 2 |
| 200 | 28000 | 3.0 | 42000 | 4 |
| 300 | 41000 | 4.50 | 61000 | 6 |
| 1000 | 171765 | 20 | ||
* Litres of hot water provided per day at 60-70C. Normal temperature of hot water requirement in homes is between 35-40C.
* This is the maximum solar collector area. It may slightly reduce gradually as system capacity increases from 100 to 500 litres/day
The cost indicated above includes the cost of collectors, insulated hot water storage tank, system piping, electrical back up, installation etc. with five year performance guarantee as per the minimum technical specifications laid down by MNRE. Costs towards piping from system to utility point, heat exchangers (if any), may be extra.
2. Subsidy(Haryana Govt.)
Haryana Government provides subsidy to users of Domestic Solar Water Heating Systems, as detailed under.
| System Capacity (lpd) | ETC based systems with glass tubes | FPC based systems with metallic collectors |
| 100 LPD | Rs. 3000/- | Rs. 10000/- |
| 200 LPD | Rs. 6000/- | Rs.20000/- |
| 300 LPD & above | Rs.9000/- | Rs.30000/- |
Subsidy is reimbursed after duly verification of commissioning of solar system. Subsidy is subject to availability of funds.