Check out

http://www.cruisersforum.com/forums/...est-37969.html

It's a lot of posts on the Cape Town to Brittany test. The boat had
1,600 Watts of solar panels, a wind gen and a 22KW diesel generator.

The African Cats poster also stated, "Regeneration with the
motors/generators will be done as minimal as possible in order to keep
the best average speed."

There's about 9 pages of posts and it seems the solar was king, with
diesel coming in second.

Rick