1. I’m not a socdem and
2. That’s highly selective quoting.

I’ll leave this chart here. That’s the raw economics of renewables vs. fossil/nuclear that we’re currently dealing with and it’s very good news: Renewables are cheaper. As to the reliability of numbers: Costs for fossil and nuclear don’t properly factor in externalities, but even with that, renewables are cheaper.

Also you still didn’t enlighten us about how to achieve socialism before the world burns. Making sure that electricity networks are up to snuff so that the graph above applies not just to energy production, but the overall system? Trivial, in comparison.