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The UK is already at over 20% renewable energy over last year, with peaks of over 40% . https://www.theguardian.com/business/2019/oct/14/renewable-e...

Meanwhile the nuclear power station we started building ten years ago is contributing 0%.

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Aren't the UK windfarms sans-storage though? I thought they were reliant on offshore wind being a fairly consistent source.

They're not fairly consistent, its a genuine misunderstanding of the system that they have to be. UK has a bit of nuclear, a lot of gas and biomass plant, some very useful pumped hydro and sizable interconnects to trade electricity with Europe. Everything is adjusted to match generation to demand. Generation is dynamic - Demand is dynamic. There is no panic when demand or generation changes, its handled.

There's a small amount of pre-existing pumped hydro storage in the system, but mostly it relies on the UK having already built a lot of CCGT plants which can cover the gaps.

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