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Solar Savings Calculator Malaysia

Use our free solar calculator to estimate your savings, recommended system size, and payback period. Simply enter your monthly electricity bill to get an instant personalised solar assessment for your home or business. A RM300/month bill typically points to a 5-8kWp system, while a RM800/month bill points toward 12-15kWp — the calculator matches your real bill to a specific system size rather than a generic estimate. Savings come from Solar ATAP export credits plus reduced grid consumption, with residential payback of about 3 to 10 years depending on system size and bill, and carrying a 30-year panel performance warranty. The estimate covers Tier-1 panels, a correctly sized inverter, mounting, and installation, starting from RM15,999 for the smallest catalogue system. Commercial and industrial users can estimate savings the same way, factoring in Maximum Demand charges and the GITA tax allowance. For a bill-verified quote, follow up with a bill upload.

1

Enter Your TNB Bill

Input your average monthly TNB electricity bill amount in Ringgit Malaysia (RM).

2

Get System Size

See your recommended solar system size based on your energy consumption.

3

View Savings & ROI

View your estimated monthly savings, payback period, and 25-year return.

4

Get a Free Quote

Request a detailed quote from our solar consultants — free, no obligation.

What it costs, by bill size

Entry-tier (Solis) installed prices, including panels, inverter, mounting, installation and Solar ATAP registration. Larger systems cost less per kWp.

Your billSystemInstalledSavesPayback
RM 200–3005.58 kWpRM 15,999RM 1628.2 years
RM 300–5006.2 kWpRM 16,999RM 2306.2 years
RM 500–8009.3 kWpRM 22,999RM 3525.4 years
RM 800+11.78 kWpRM 25,999RM 6103.6 years

These are real installed prices for our entry (Solis) tier, not starting-from placeholders. Your exact quote may differ once we've seen your bill and your roof.

Questions people actually ask

How accurate is this?

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Within about 10 to 15 per cent, because it assumes an average roof. It uses Malaysian irradiance data, current Solar ATAP rates and the bill you typed. Send your actual bill and the estimate is replaced by a quote built on your real usage; send roof photos with it and your roof, shading and wiring are reviewed for the written quote. No site visit is needed to quote.

What size system do I need?

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As a guide: RM200–300 → 5.58 kWp. RM300–500 → 6.2 kWp. RM500–800 → 9.3 kWp. RM800+ → 11.78 kWp. The calculator above sizes it exactly for your typed bill.

How long until it pays for itself?

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Between about 3.6 and 8.2 years for most homes, paying cash — larger systems tend to pay back faster because installed cost per kWp falls as size increases. Financing spreads the cost but extends the payback because of interest. After payback, the panels keep producing for the remaining years of the 30-year panel warranty.

What does it actually cost?

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Between about RM 2,210 and RM 2,870 per kWp installed, including panels, inverter, mounting, installation and Solar ATAP registration. Bigger systems cost less per kWp — around RM 2,870 at 5.58 kWp, around RM 2,210 at 11.78 kWp.

Do I have to buy anything to get a quote?

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No. The quote itself is free and there is no obligation. The only thing we ask for is your latest TNB bill, because without it we are guessing at your usage and so is the price.
A phone, calculator, electricity bill and a model house with solar panels on a desk