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Savings calculator

Explore what solar could mean for your bill.

Enter your own figures to see an illustrative estimate in Kenyan shillings. Every result is calculated with the simple formulas shown below the calculator.

Your assumptions

Check a few recent bills or token purchases and use a typical month.

Your assumption. The starting value of 40% is a placeholder to adjust, not a typical result. It depends on system size, battery use and when you use power.

For a payback estimate

From a quotation, if you have one. Leave blank to skip the payback estimate.

Cleaning, inspections and servicing. Leave blank to assume zero.

Illustrative estimate

Based on your assumptions

Enter your monthly bill to see an estimate

Results update as you type. Nothing you enter leaves your browser.

This is an illustrative estimate, not a quotation or an electrical assessment. Actual results depend on tariffs, consumption patterns, system size, site conditions, battery use and installation costs.

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Transparent formulas

How the estimate is calculated

The calculator does simple arithmetic on the numbers you provide. It does not model your electrical installation, sunlight at your location or equipment performance.

Estimated monthly reduction
Monthly bill × assumed offset %
Estimated annual reduction
Estimated monthly reduction × 12
Estimated remaining bill
Monthly bill − estimated monthly reduction
Simple payback (years)
System cost ÷ (annual reduction − annual maintenance)

Only calculated when the result is positive.

Real-world results

What affects actual savings

A professional assessment considers these factors before recommending a system or estimating savings.

  • Tariffs

    Electricity prices, charges and levies change over time, which affects the value of each unit solar replaces.

  • Consumption patterns

    Solar generates during the day. Energy used at night needs a battery or comes from the grid.

  • System size

    A larger system can offset more consumption, up to the limits of your roof space and usage.

  • Site conditions

    Orientation, shading, dust and local weather all affect how much a system produces.

  • Battery use

    Batteries let you use more solar energy but add cost and have their own efficiency losses.

  • Installation costs

    Equipment choice, roof type, cable runs and electrical upgrades all affect the upfront cost.

Want a figure based on your actual property?

A professional quote considers your consumption, roof, equipment and site conditions. Share a few details to get started.

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