2,500-hour rule & tariff choice
When crossing the 2,500-hour threshold (2.500-Stunden-Regel, § 19 StromNEV) pays off.
In Furo
Deeper dives on the blog
- Battery storage and the 2,500-hour rule, what to look out for? (blog article)
- From below to above 2,500 usage hours with a battery storage system, when does the jump pay off? (blog article)
Common question
Why does my analysis show negative grid savings but still an overall gain?