Solar Power, Karachi Pakistan - Karachi
- Country: Pakistan
- City: Karachi
- Contact Number: 0331 2036 422
- Posted on: June 14, 2018
- Price: Rs.1000
Date : 20 May 2018
Estimate for 1000 Watt System
Inverter ( To convert DC power of solar panels and batteries to 220V Alternating Current (AC) for appliance in the home, office or factory. )
1 KW Hybrid Inverter Rs. 29,900
Max power output in 220V while only on batteries without mains power : 1000 watts.
Max charging power into batteries via solar : 600 Watts
Max charging power into batteries via mains power : 240 Watts
Solar Panels : Rs 40 per watt for checking warranty.
Rs 45 per watt for shop warranty. And Rs 50 per watt for Factory warranty.
So for 600 watts of solar panels at the factory warranty rate, it shall be
600 Watts x Rs 50 per watt (Full factory warranty) = Rs 30,000
600 Watts x Rs 40 per watt (Checking warranty) = Rs 24,000
With 5 hours of power generated per day, 600 watts of panels shall generate
600 watts x 5 hours = 3,000 watt hours (wh) of usable energy.
Battery costs are :
Rs 1500 → 1950 for a used 50 ah = Rs 39 per ah. Rs 3.25 per wh.
Rs 3380 for a reconditioned for 65 ah = Rs 52 per ah. Rs 4.33 per wh
Rs 6110 for a new for 65 ah = Rs 94 per ah. Rs 7.83 per wh
Rs 18,980 for a sealed new for 65 ah = Rs 292 per ah. Rs 24.33 per wh.
To store 6000 watt hours in batteries for night time use the rates are as follows :
Used lead acid flooded : Rs 3.25 / wh x 3000 wh = Rs 9,750
Reconditioned lead acid flooded : Rs 4.33 / wh x 3000 wh = Rs 12,990
New lead acid flooded : Rs 7.83 / wh x 3000 wh = Rs 23,490
New lead acid sealed (called a dry battery in the market) : Rs 24.33 / wh x 3000 wh = Rs 72,990
Lithium Ion batteries : Rs 2,076,000 for a 25,600 wh pack. => Rs 81.09 / wh.
Tesla power wall 2 : Rs 1,416,000 for a 13,500 wh pack => Rs 107.27 / wh
Solar panel frames
Single module frame : Rs 1050 each
Two module frame thin metal : Rs 1950 each
Two module frame thicker metal : Rs 2600 each
Three module frame thicker metal : Rs 3250 each
For example for 600 watts of solar panels of 150 watts each, we shall have 600 watts / 150 watts per module = 4 solar modules
We can place these on 2 frames of 2 modules each. Rs 2600 x 2 = Rs 5,200 for the frames.
DC Circuit breakers new : Rs 2500 each. Minimum 1 required for every 5000 watts of solar panels.
For this case we need 1. So it is Rs 2,500 for DC breakers.
AC circuit breaker : Rs 1500. Minimum 1 required.
DC Fuses : Rs 1200 each. Minimum 1 required for every 5000 watts of solar panels.
For this case we need 1. So it is Rs 1,200 for DC fuses.
Distribution Box for fuses and breakers : Rs 2000
Wires rough estimate : Rs 10,000. Actual depends on the site survey and actual used.
Installation estimate : Rs 5,000
Support and Troubleshooting rates for installations in Karachi.
Less than 1 KW small home starter system installation estimate : Rs 3,000
1 – 2 KW Hybrid system at home installation charges estimate : Rs 5,000
3 – 5 KW Hybrid system at home installation charges estimate : Rs 12,000
Service Charges :
Worker Visit Charges for estimation and discussion of scope of work :
Rs 600 for inside Karachi.
Visit charges outside Karachi :
Worker : Rs 1500 / day + transport and lodging (if applicable)
Engineer : Rs 6250 per day + transport and lodging (if applicable)
Transport = Daewoo bus, train or economy airplane.
Lodging : Rs 4000 per day
Senior Engineer for troubleshooting : Rs 20,000 + transport and lodging (if applicable)
Installation, support and work charges : Based on the scope of work finalized and the estimates and quotations provided.
Rough estimate for a 1KW inverter system :
(This can be updated based on detailed requirements and a site survey and an analysis of the electricity bills for the last 12 months.)
Hybrid inverter : Rs. 29,900
Solar Panels : Rs 24,000
Used batteries : Rs 9,750
Solar Panel frames : Rs 5,200
DC breakers Rs 2,500
AC circuit breaker : Rs 1500.
DC Fuses Rs 1,200
Distribution Box for fuses and breakers : Rs 2000
Wires : Rs 10,000.
Installation estimate : Rs 5000
Total : 29900 + 24000 + 9750 + 5200 + 2500 + 1500 + 1200 + 2000 + 10000 + 5000
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- Listed by: khawarne
- Member Since: May 15, 2015
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