UK Says 100% Renewables Won’t Work

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We already knew this, but UK public policy in energy matters tends to prefer ideology to reality.

By David Wojick, Ph.D. ~

A lot of countries (as well as many U.S. states and utilities) are announcing so-called zero-carbon plans, typically with a target year around 2050. These are often reported as calling for 100% renewable energy, which is wrong.

There is a difference between zero-carbon and 100% renewables, but this is often hidden and unclear. In the new UK plan it is still hidden, but once found it is very clear. Renewables provide just 57% of the energy, which is a lot less than 100%. Perhaps most surprising is that nuclear might provide as much as 38% of the energy!

By way of introduction, the plan comes from the government’s own Committee on Climate Change (CCC), in a report titled “Net-Zero: The UK’s contribution to stopping global warming.” The CCC is the UK’s top climate action planning group.

The surprising numbers occur in…