Do I have to shut down my system?

We check whether your solar system must be shut down at negative electricity prices — and whether you then go away empty-handed. Enter the data yourself or search for your system.

Search system — number, name, town or postcode (optional)

System size in kilowatts (kWp) Since when has the system been running?

How much should you generate — and what is lost?

Estimated from the weather data of the German Weather Service (DWD). The financial loss uses the figures from the first tab.

Postcode of your location How are your panels oriented?

Your feed-in tariff in cents per kWh — stated in your EEG notice (optional) Where is the system located?

What does my power trader earn?

What your power trader charges in fees and additionally earns through clever selling. Uses the figures from the other tabs.

Annual generation in MWh (optional — otherwise we estimate from the system size)

Ask your question

Ask your question about shutdowns, negative prices and feed-in tariffs — you get an answer with a source from the law.

Your question

Letter to your contract partner

Generate a ready-made draft letter to your power trader, grid operator or metering point operator — factually worded and with a source. Uses the figures from the first tab.

What is it about? / To whom? Specific details (optional — e.g. date, time, system number, amount)

Who has to shut down — and from when?

Analysis of all solar systems registered in Germany: which system size has to shut down how quickly at negative electricity prices.

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