Overview

• Owners and tenants generally have a legal claim to approval for mini‑PV setups, with landlords or homeowner associations unable to issue blanket refusals.
• Registration in the Bundesnetzagentur’s Marktstamm‑Datenregister is free and must be completed within one month of commissioning.
• Courts have ruled inconsistently on glare disputes, with some decisions tolerating limited reflection and others siding with neighbors when disturbance is frequent or prolonged.
• Pre‑installation checks include potential heritage or milieu protections, structural statics and mounting, snow and wind loads, and state‑specific neighbor distance rules.
• Typical 800‑watt balcony systems produce roughly 4–5 kWh per day, with about one million units installed nationwide and reported payback times of roughly two to three years.