1. Renewables have currently offset less than half of year 2000 nuclear generation -- https://www.iea.org/countries/germany/energy-mix

2. Industrial energy prices seem to have risen pretty consistently since 2000: https://www.cleanenergywire.org/sites/default/files/styles/g...

I'm pro renewable build-out, and a lot of new nuclear projects seem to my layman's eyes uneconomical, at least at today's cost (maybe we'd get better at doing it cheaper again if we invested, I don't know), but your claims seem false.