(via Unitron Energy) Economics of complete system estimates.
1 KW purely solar will cost about Rs 3.5 to 4 Lakhs. The conversion ratio or efficiency of the solar panels will be betweeen 13-14%.
1 KW wind – solar hybrid depending of energy mix will cost between Rs 2.4 to 2.7 Lakhs
Only wind, will cost between 2.0 to 2.20 Lakhs and cost drops to Rs 1.65 – 1.85 Lakhs when installed in large numbers.
In the case of alternate systems, a 1KW portable generator will cost 0.30 Lakhs, cost of fuel per year 4-5 hours a day, 0.35 to 0.45 Lakhs, total first year expenses comes to 0.85 Lakhs. Similarly a 1 KW inverter with 4-6 hours of battery backup, 0.85 lakhs, annual draw from grid 0.20 to 0.25 Lakhs at Rs 5/- per unit, first year expense approx 1.10 lakhs.
We are evaluating Unitron Systems to be put along with all the villas on the golf course.