sessy

Welcome to the year 2027. The year where the net metering policy in the Netherlands stopped. This post is about owning a home battery system in 2027 onwards and the benefit it has financially, based on minute precise real-world usage- and solar data collected in 2024. In my previous blogpost about the Sessy Home Battery Experience, owning a home battery + dynamic contract resulted in €161.42 more annual profit than without a home battery and a fixed price contract....

Back in 2020 I wrote a post about Simulating a Tesla Powerwall. Much has changed since then. Electricity prices went up and down(!) Energy providers started offering contracts with dynamic hourly prices based on the hourly market value of electricity. The deadline for net metering has been postponed in the Netherlands and now has a final deadline, January 1st, 2027. And related to my setup at home, I managed to change the timing of heating the hot-water storage tank through a hidden management interface....