Solar
powered System Cost Evaluation with Diesel Gen-set
|
Diesel Vs Solar
|
System Capacity
|
Daily Power Production
Time
|
Power Generated Per Year
|
Initial Cost
|
Recurring Cost/Year
|
Total
Cost In 5 Years
|
System Life
|
|
Solar PV
(Grid Tie
System – No Battery Bank)
|
20 KW
 |
Daylight
|
35 MW h
|
Rs 26 Lacs
|
Rs .04 Lacs
|
Rs 28 Lacs
|
25 Years
The
recurring cost with increase by around 5% per year
|
|
Diesel Gen-set
|
20 KW
 |
5 Hours
|
36 MW h
|
Rs 3Lacs
|
5 Hours x6
liters
X Rs 46 x
365 Days = Rs 5 Lacs
|
Rs 28 Lacs
|
12 Years
Recurring
cost of diesel and unpredictable price
increase in running cost
|
*diesel
cost Rs 46 / liter for next 5 years * Cost of solar installation without
battery * Rs 1.3 Lacs / KW
With
the Indian industries growing at rapid pace, recurrent interruption of power
from the grid is a grave problem. The above computation proves that solar power
is more cost-effective and workable alternate to diesel generator option. Cost
of operating diesel operated gen-set is equal to the total cost of solar
powered system for the same number of units generated. Gen-set will continue to
exhaust diesel for further operation, while solar powered will continue to
function for an additional 20 years with bare minimum maintenance.
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