Solar calculator – calculate electricity demand and self-sufficiency days
Calculate in just a few steps how long you can be self-sufficient with your solar system and battery capacity. The solar and self-sufficiency calculator shows you your daily electricity needs and the solar power required to remain independent of the grid.
The results are for guidance only and may differ from the actual yield.
What does the result of the solar and self-sufficiency calculator tell us?
The results of the self-sufficiency calculator show you your daily electricity needs and how long you can remain self-sufficient with your existing or planned solar system. The calculated electricity needs are based on the total consumption of all your devices and their daily usage time. This allows you to estimate how much energy your solar system needs to generate per day to reliably charge your battery.
The number of days you can live off-grid helps you understand how many days you can manage without an external power connection. Location and time of year play an important role, as sunlight and energy yield vary depending on the region and season. The results serve as a realistic guide for your planning and help you select suitable solar and battery systems.
For which applications is the solar calculator suitable?
The self-sufficiency calculator is suitable for anyone who wants to realistically assess their electricity needs and better plan their independent power supply. It is particularly helpful for mobile and flexible applications where a permanent grid connection is not available.
- Motorhome & Camper
If you're traveling in a motorhome, the self-sufficiency calculator helps you determine how much electricity your devices need daily and how long you can manage without shore power. This allows you to assess which solar system and battery capacity are suitable for your travel habits – whether it's a weekend trip or a longer stay. -
Camping & mobile power supply
The calculator also helps you plan your power supply when camping or on mobile missions. It shows you whether your current solar solution is sufficient or whether additional solar power or battery capacity would be beneficial to remain independent. - Self-sufficient systems without a fixed grid connection
For garden sheds, small off-grid applications or temporary power solutions, the calculator provides a good guide to realistically plan energy requirements and avoid over- or undersizing.
How accurate is the self-sufficiency calculator?
The self-sufficiency calculator provides a realistic estimate based on your entered consumption data, battery capacity, and assumed solar yields. Since factors such as weather, solar panel orientation, and individual usage can vary, the results serve as a planning basis and not as an exact prediction.
Why does my result differ from other solar calculators?
Differences often arise from differing assumptions about solar radiation, efficiency, or usage patterns. Our self-sufficiency calculator takes location and season into account to provide a practical assessment for mobile and self-sufficient applications.
Can I use the self-sufficiency calculator specifically for motorhomes?
Yes, the self-sufficiency calculator is particularly well-suited for motorhomes. By adding your typical appliances and their usage duration, you can calculate your individual electricity needs and estimate how long you can remain self-sufficient without an external power connection.
What role do location and season play?
Location and time of year have a significant impact on solar energy yield. Generally, considerably more energy is generated in the summer months than in winter. The self-sufficiency calculator takes these differences into account so you can realistically plan your electricity supply.
What do I do after receiving the calculated result?
After the calculation, you can use your result to select suitable solar kits, solar panels, or batteries. This way, you'll find a solution that fits your actual electricity needs and your desired level of energy independence.
