Edit: pretty sure I’ve misunderstood your initial point. They were going to have to sell the power for a lot. It wasn’t that the market price rose.
The OP doesn't cite a high selling price for the generated electricity, they are citing the high cost of materials to build the plant.
Edit: pretty sure I’ve misunderstood your initial point. They were going to have to sell the power for a lot. It wasn’t that the market price rose.