IDCOL Domestic Rooftop Solar (DRS) Program
Solar & Backup Calculator Bangladesh Solar Expo 2026Roof type?
How big is your roof?
A rough guess is fine.
×
Or enter your own usable %
What matters most to you?
Tap one.
What is your monthly electricity bill?
Average of recent months.
Know your sanctioned load? (optional)
Sanctioned load
Printed on your bill
kW
Need power during load-shedding?
A battery keeps key appliances running.
What must keep running?
Tap + to add.
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LED light W · h/day
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Ceiling fan W · h/day
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TV W · h/day
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Refrigerator W · h/day
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Air conditioner W · h/day
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Computer/Laptop W · h/day
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Water Pump W · h/day
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Induction stove W · h/day
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Oven W · h/day
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Others W · h/day
Add at least one appliance, or go back and choose solar only.
Find a DA near you
Select your district to see authorised DA.
Your recommended system
Solar–
Battery–
Inverter–
See how this was worked out
Monthly solar generation
Electricity generated–
Market value–
The estimated cost of your DRS system
Down payment
20%
–
Adjust down payment & loan period
Down payment 20%
Loan period
You pay monthly–
Loan Tenure–
Loan amount–
Change your answers
Choose your division
Choose your district
Find a DA near you
Select your district to see authorised DA.