Rooftop solar in Indonesia typically costs about IDR 23,600,000 per kW installed, and household electricity is around IDR 1,650 per kWh. The average sunshine is about 5 peak sun hours a day.
As a rough example, a 5 kW home system would cost about IDR 135,700,000, make around 6,844 kWh a year, and save about IDR 11,292,188 a year. That is a payback of roughly 12 years.
Rooftop solar
For homes and businesses. Size, cost, savings and payback.
Open rooftop calculatorSolar plant
For larger projects. Project returns and break-even price.
Open plant calculatorThese are typical estimates, not quotes. Replace them with real quotes before you decide anything.
How to use the Indonesia calculator
- Open the rooftop or plant calculator above. It starts on Indonesia.
- Pick your region or search your city, so sunlight matches your area.
- Enter your monthly electricity use and replace the starting prices with your own quotes.
- Read the size, cost, savings and payback, and download the PDF report if you want to keep it.
Solar in Indonesia: common questions
How much does rooftop solar cost in Indonesia?
Rooftop solar in Indonesia typically costs about IDR 23,600,000 per kW installed. A 5 kW home system would cost roughly IDR 135,700,000. Real quotes vary by installer, roof and equipment, so use this as a starting point.
How much can I save with solar in Indonesia?
With electricity at around IDR 1,650 per kWh, a 5 kW system could make about 6,844 kWh a year and save roughly IDR 11,292,188 a year. Your own savings depend on how much power you use and your local price.
How long does solar take to pay for itself in Indonesia?
On these typical numbers, a 5 kW home system pays back in roughly 12 years. This is a simple estimate: system cost divided by yearly savings. It does not include subsidies, tax credits, price rises or upkeep.
How much sunshine does Indonesia get?
The average across the places we list for Indonesia is about 5 peak sun hours a day. Sunlight differs a lot between regions, so pick your own city in the calculator for a better figure.
Are subsidies or tax credits included?
No. The calculator does not include subsidies, tax credits or special tariffs. Rules differ by country and change often, so check current local rules before you decide.
How accurate is this solar calculator?
It gives planning estimates, not quotes. The starting prices are typical figures for Indonesia. Replace them with real quotes and your own electricity price to get a closer result.
Looking at another country? See all countries.