When to use this tool
When you have a bill or daily kWh estimate and want a recommended kW and battery kWh range " "without opening the full app. It is homeowner-framed but the numbers work as a cross-check for designers.
Steps in the calculator
- Set location (country) for tariff and generation defaults.
- Enter daily or monthly electricity use.
- Adjust system kW and battery kWh sliders to explore trade-offs.
- Review savings and self-consumption summaries.
Limits
Not a string design or multi-roof layout tool. For a connected design from usage through " "proposal, use Photonik or Photonik Pro.