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Solar Panel Calculator
Panel count, wattage & cost for your home or business. BD & global.
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Solar & Energy Calculators
Plan your solar setup — panels, savings and battery backup
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Solar Savings Calculator
Monthly savings, payback period & ROI from solar installation.
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Solar Battery Backup
Battery size, backup hours & bank capacity for off-grid or hybrid.
Electricity Bill Calculator BD
Bangladesh electricity bill using BPDB 2024 slab rates.
Solar Energy in Bangladesh
Bangladesh receives 4.5–5.5 peak sun hours per day on average, making solar power economically viable across most of the country. The Sustainable and Renewable Energy Development Authority (SREDA) regulates the solar sector and offers net metering guidelines for grid-tied systems.
Net metering allows you to export excess solar electricity to the grid and receive credit on your BPDB bill at the prevailing retail tariff rate. A typical 3kW rooftop system in Dhaka costs 2.5–3.5 lakh BDT installed and generates approximately 350–400 kWh per month.
With BPDB slab rates averaging 6–8 BDT per kWh for moderate consumers, the payback period is typically 5–7 years, with a system life of 25+ years.
Frequently Asked Questions
How many solar panels do I need for a typical Dhaka home?
A typical Dhaka household using 200–300 kWh/month needs a 2–3 kW system, approximately 6–10 panels depending on wattage (300–400W per panel).
What is net metering in Bangladesh?
Net metering allows solar system owners to export surplus electricity to the BPDB grid and receive credit at retail tariff rates, effectively reducing or eliminating monthly bills.
What is the typical payback period for solar in Bangladesh?
Most residential solar installations in Bangladesh pay back in 5–7 years. After that, electricity is essentially free for the remaining 18–20 year system life.
Does BPDB still use slab-based pricing in 2024?
Yes. BPDB uses a progressive slab tariff — the current rates range from 4.19 BDT/kWh for the first 75 units to 11.46 BDT/kWh above 600 units.
Is solar battery backup worth it in Bangladesh?
Battery backup is valuable for areas with frequent load shedding. A 100Ah 12V battery provides approximately 3–4 hours of basic household load.