cost

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....

It’s a little over a year ago that I got solar panels installed on my roof. Not a Tesla Solar Roof, but the most efficient solar panels available last year. From SunPower. The SPR-X21-350-BLK. Together with a SolarEdge SE5K converter its producing 5300 Watt during peak hours. I’m interested if a Tesla Powerwall is worth it financially. Will it pay back the investment in a reasonable amount of time? In the Netherlands there is still a net metering policy until 2023, which means that you can administratively subtract the electricity you have delivered to, from what you have used from the electricity network....