GR also did a BRR interview not long ago. Its worth a listen.
As for your question, I can't recall having heard any figures talked about regarding the profiablity of the power station. Doesn't mean it doesn't exist though :)
The 130-150MW power generation was only a recent announcement. This is seperate from the proposed 400MW power station being talked about 6 - 12 months ago.
Ive got a short memory :)
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