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Posts of category: Private

Energy autarky without restrictions

25 Swiss francs a year is the electricity bill of Mark and Barbara in a small village near Solothurn. Steadily rising electricity prices no longer interest them. Their detached house with a small hobby workshop is completely self-sufficient. The system can bridge three days in winter or in fog with its various storage tanks. Gerber Energietechnik AG from Gümligen near Bern is responsible for the energy concept and its implementation.

Storing costs electricity: The issue of conversion losses

Renewable energy systems, such as your photovoltaic system, produce direct current (DC). The storage battery in your basement also needs direct current. But the electricity grid in your house or flat uses alternating current (AC) – even the public grid. And everywhere there are converters or inverters that bring voltages and current to the same level.

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