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So I have a grid with Gas and Renewables connected. 100% Gas will use 100TWh of gas to generate power 50% renewable will use 50TWh of gas to generate power

• nothercastle 2y ago
  You missed the fact that the mix shifted. Coal and nuclear are too expensive where solar is available so you go from: 35% coal 30% nuclear 35% gas You go to 60% solar 40% gas. Obviously the numbers are made up but that’s the point I’m trying to make.
  • ta1243 2y ago
    Or you go to 70% solar and 30% gas? If your example you've reduced generation from fossil fuels from 70% to 40% so still a win. I assume you're still going on about nuclear. The problem with nuclear is that it doesn't make financial sense even if it can run at 100% of capacity for 100% of the time, it certainly can't cope with variable load - you can't scale nuclear to provide your peak amount, so you need to be able to top up with gas or battery, just like renewables need top up