Q43. How much do you anticipate it will cost to develop a fully operational offshore wind farm?
A43. The full development would cost in the region of £1 billion.

The two turbine cost is £35mil - the 162 (actually 163 is the asci code for the pound symbol , which might have crept in when the diary was transfered to the front page...

When I asked my colegues about the future they were very cautious. as described in q44:

Q44. How confident are you that the commercial project will go ahead?
A44. The commercial project depends on many things including the future price of electricity and the performance and learning associated with the Demonstrator Project. It is impossible at this stage to give any definitive answer, but it certainly should not be regarded as an inevitability.