The hon. Gentleman makes an extremely important point. We have commissioned Professor Dieter Helm to look at how we can reduce the costs of our energy system for businesses and consumers. One of the advantages of the strategy that we have pursued is that we have brought down the costs of offshore wind—a major contribution—by targeting and investing substantially in it at a rate, as my the Minister for Energy and Clean Growth, my right hon. Friend Claire Perry said earlier, which has resulted in a reduction beyond what anyone expected even a couple of years ago.