Use Our Free Solar Calculator to Estimate Your Savings
Curious about how much you could save by installing solar panels at home? Whether you’re in Kuala Lumpur, Penang, Johor Bahru or anywhere else in Malaysia, our solar calculator helps you make smarter energy decisions in just minutes.
Discover Your Solar Savings in Malaysia
Solar Savings Calculator
Calculate your potential savings with solar panels in Malaysia
A 12kWp Solar System is just right
It will generate enough Solar Electricity to offset your higher-tier TNB usage, giving you the best total savings over 10 years.
Monthly Savings
RM 219
1,620 kWh generated
Estimated System Cost
RM 54,000
12 kW = ~30 panels
Payback Period
6.8 years
Break-even point
📈 Solar Investment Return Over Time
🎯 Break-even Point: Year 7 (6.8 years)
After this point, your solar system generates pure profit! 🚀
⚡ System Details
System Size: 12 kW
Daily Generation: 54.0 kWh
Annual Generation: 19,710 kWh
Peak Sun Hours: 4.5 hours/day
💎 Financial Summary
Annual Savings: RM 2,628
25-Year Savings: RM 65,700
Total ROI: 22%
Cost per Watt: RM 3.64
📋 Please note when using this tool:
1. Capacity limits are set at up to 7.14kWp for 1-phase and up to 16.32kWp for 3-phase electrical systems.
2. All figures are estimates. Solar generation depends on various factors including orientation, location of the home, the surroundings and even the roof design.
3. Savings calculations are based on current tariff structure and government policies.
4. Post-Solar TNB bill is calculated on the premise that all Solar Electricity is exported to the grid during the day. The more Solar Electricity the home consumes directly, the lower the Post-Solar TNB bill would be.
5. Savings estimates are calculated using peak sunlight hours per day based on your selected location, according to statistics from government agencies.
6. Panel calculations assume 400W solar panels and RM 4.5 per watt installation cost.
7. Electricity rate calculations use an average of RM 0.365 per kWh based on current TNB tariff rates.
How TopSolar Works
Asia’s Best No.1 Solar Comparison Site
Exclusive Customer Reach
We actively reach out to potential customers, dedicated to connecting them with trusted service providers like you. Our extensive marketing experience and consistent efforts ensures a steady flow of targeted leads.
Customer Information Collection
We collect and validate customer information on your behalf, saving you valuable time and resources. Our platform streamlines the process, so you can focus on what you do best—providing exceptional solar installation services.
Simplified Lead Engagement
We simplify the process of reaching out to customer leads, eliminating unnecessary complexities. With TopSolar, you can easily connect with interested customers, nurturing valuable relationships that lead to long-term success.
Join TopSolar Today!
Don’t miss out on the countless opportunities awaiting your solar installation business. Become a trusted service provider with TopSolar and unlock new avenues for growth and success.
How Much Can You Save with Solar in Malaysia?
Electricity prices are rising across Malaysia, and many homeowners are already switching to solar to take control of their bills. Our solar calculator gives you a fast and easy way to:
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Estimate your potential monthly savings
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Understand your payback period
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See how many panels you might need
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Get personalised results based on your roof and usage
There’s no commitment, and no need to speak with a salesperson. Just clear, accurate numbers based on your home.
Solar Calculator Built for Malaysia
Our calculator is designed specifically for the Malaysian market. We factor in:
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Local sunlight hours (solar irradiance)
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Average installation costs across different states
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Net Energy Metering (NEM) benefits
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Your electricity tariff bracket
Whether you’re looking to lower your TNB bill or want to understand if solar is right for your home, our tool gives you localised insights.
Why Go Solar in Malaysia?
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Save thousands over the system’s lifetime
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Enjoy lower electricity bills from day one
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Increase your home’s value
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Reduce your carbon footprint
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Get payback in as little as 4 – 6 years
Solar power is no longer just for eco-enthusiasts it’s smart financial planning for the modern Malaysian homeowner.
Who Should Use This Calculator?
Our solar calculator is perfect for:
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Homeowners exploring solar for the first time
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Anyone curious about ROI before getting quotes
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Those comparing solar packages and options
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Property owners looking to cut long-term costs
Ready to get a quote?
Request a free solar quote and find out how much you can save on electricity bills by installing solar panels and systems.