New Nuclear Power

Will the Secretary of State clarify a point for me? I understand that, in chapter 5 of the Energy Bill, a single sentence gives effect to schedule 3 of the legislation and that it has been drafted with intentional obscurity to give the Secretary of State the power to make an agreement with the generator to purchase electricity at a fixed price, as well as the power to vary the price that has been set in the contract and to keep secret any details of the price except the reference price and the strike price.