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Real-World Economics of Solar + Heat Pump: One Year of Data from a German Household

Germany

Jan 2, 2026

Real-World Economics of Solar + Heat Pump: One Year of Data from a German Household

A detailed financial breakdown of one German family’s first year with a 9kWp solar system, battery storage, heat pump, and EV, revealing why their €40,000 investment actually makes sense compared to gas heating.

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