My Lords, I am grateful to the noble Baroness for her reply. Discretion gives flexibility but equally it gives a lack of certainty for industry. I am not quite sure why this proposal is premature as we need to give clarity to those affected by this Bill as soon as possible. It seems to me that in maintaining this discretion, we are prolonging lack of certainty for the industry. I think that it is very important that we do this consultation quickly and that we give clarity as soon as possible, whether that is through the regulations that follow or in a separate process. I am sure that there are many people sitting in boardrooms around the country looking at their assets, who need to know this information and need to know how the department is interpreting its powers.
If the department is minded to have an EPS apply only to the units which fit the filters that make the upgrade, that will have the very perverse affect of allowing unabated plant—the other corresponding units—to operate indefinitely at very high load factors. That is precisely what we are trying to avoid with this amendment. There is a very strong reason why we do not believe that discretion is necessary and why the definition should be at a plant level. However, I understand that the Government may wish to consult and to seek a little extra time before making this issue fully clear. I hope that that is completed in the shortest time possible, as prolonging uncertainty will make life harder for the industry and investors in deciding what their next move should be following the passage of the Bill. I beg leave to withdraw the amendment.