Germany is Europe’s largest home-storage market by volume: over a million systems installed, driven by sky-high retail electricity prices and reliable feed-in tariffs that are now fading. The EEG 2023 solar-bonus era is closing, but Section 14a EnWG gives grid operators new control over private storage.
Buying in Germany: insist on VDE-AR-N 4105 compliance for single-phase and 4110 for three-phase connections. Size the battery to your household’s evening consumption minus PV direct use. The KfW 270 programme ended, but some Bundesländer offer regional top-ups. Get written quotes with Montagekosten detailed separately.
Key rules: EEG 2023 remuneration for new PV drops quarterly; from 2026, negative-price hours stop feed-in payments entirely. Section 14a allows grid operators to cap private storage to 4.2 kW at peak. The Smart Meter Gateway rollout is mandatory for systems over 7 kW. The CO₂ price on heating fuels rises annually through 2027.
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