Renewables are unreliable. That’s a fact. Yes you have moments, days even weeks where they can deliver what is currently required. In total output. Not yet in delivers when you actually need it output.
Sure you can have 100% renewable generation for a 24hr period, but if your generation is during the day and your usage is spread into the night, you’re not really covering your needs, no matter how good it looks on paper.
It is also your current usage. Now do the math and replace all fossil fuel usage with electric alternatives. Cars, buses, trucks, heating, cooking, etc. Now calculate just how much more renewables you need to cover all that in ideal circumstances.
Now do the same for windless winter days.
If we’re going to step away from fossil fuels entirely, you’re going to have to accept nuclear as an option. Thinking we’ll manage only with renewables is a dream. While you dream, we’re burning fossil fuels non-stop. Cuz that’s reality.
You can have renewables with nuclear, or renewables with fossil fuels. You’re actively choosing renewables with fossil fuels.