Calculate your solar panel size, battery capacity and inverter needs in minutes. This South African solar calculator shows exactly how many panels you need, how much battery backup to install and the total power your system must deliver. Use it for homes, shops or small businesses. Enter your usage and get instant results.
ELECTRICITY SPEND TO KWH ESTIMATOR (OPTIONAL)
Don't know your daily kWh? Enter your monthly Rand spend and we'll estimate it. The result will fill the "Units per day" field below.
Estimated Monthly Usage
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Estimated Daily Usage
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Average Cost Per kWh
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Applied to "Units per day" below. You can still edit it manually.
INSTALLATION ADDRESS
Select your location to estimate Peak Sun Hours (PSH).
Select a city to auto-fill PSH. Choose "Other" to enter manually.