Mr. Barry Caslin:

I will come in on that. It will be in the region of 200 plants. The target is 5.7 TWh. If the plants are 20 GWh, we will need many more of them - probably up to 300. It will probably be a mixture of 20 GWh and 40 GWh plants. They have to be at that scale to justify it because these plants, as far as I can see, need to produce approximately 200 cu. m of biomethane per hour for them to be economically viable. The larger they are the more economically viable they will be. The biggest challenge will be to mobilise feedstocks around those larger plants.