What do people always want with a storage? It doesn't pay off, the costs of a photovoltaic system with storage are not recovered through the feed-in tariff.
What do people always want with a storage system? It doesn't pay off, the costs of a photovoltaic system with storage cannot be recovered through the feed-in tariff.
Calculating a storage system through the feed-in tariff is also adventurous nonsense. You calculate price, lifespan, and cycles. Then a kWh from the storage currently costs you somewhere between 14 and 19 ct. The kWh coming directly from the panels is of course cheaper. The payback period of the system increases somewhat, after that the return rises faster. Those who also make intelligent use of excess energy and not only include batteries but also hot water, washing machine and dryer as well as e-mobility, buy somewhat less storage than usually recommended and come out far ahead both economically and in terms of degree of self-sufficiency.
My husband wanted a storage system to be more self-sufficient. So that the computers keep running even during a power outage
But you have to choose the right products very carefully. Standard battery storage systems cannot serve as an uninterruptible power supply (UPS). If I remember correctly, they always require the grid frequency as a "clock signal." Without a clock, there is no (AC) power.
What speaks against a storage system? Everyone talks about it, many buy, and many are "against" it. Technology only matures when a few people actually put up with it. It's not bad, others spend x € per month on clothing, mobility, or leisure. Is it always worth it? I, for one, haven't bought any electricity since April...