ROI - Solar Panels & Battery Payback Calculator

Find out how much you can save and how long it takes to recover your solar + battery investment with personalized simulations.

Configure the settings and run a simulation to see results here.

CPE Year Complete Do nothing

4.40 kWp 0.040 €/kWh

ROI - Return on Investment

Solar system

Yearly Savings

– €

Cost

– €

Payback period

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Expected ROI date

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Battery

Yearly Savings

– €

Cost

– €

Payback Period

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Expected ROI Date

–

This calculation assumes solar charging only. Surplus after the battery is full can be exported to the grid if enabled in settings.

Battery behavior

Simulation tariff

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Allow grid charge off-peak

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Allow solar charge

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Allow peak-hour discharge

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Allow grid export of surplus

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Inverter config

Max charge power (kW)

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Max discharge power (kW)

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Battery efficiency

–

Savings

Current Provider

Galp

Energy Provider

Select Energy Provider

Automatic Setup

Drag your electronic invoice here

Contract Power

Select Contract Power

Hours Information

Schedule

Simple Rate Bi-Hourly Tri-Hourly