How big a system is needed?
3-5 kW panels for a 52m² floating house. From April to October, consumption is fully covered. In winter, a backup connection or a generator is required.
Battery storage
LiFePO4 batteries - the safest, 4000-6000 cycles. 5-10 kWh is recommended. Place in a dry, ventilated compartment.
Costs and payback
5kW system with 10kWh batteries EUR 6,000-8,000. Savings 800-1200 EUR/year. Payback in 6-8 years.
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