Oh... Apparently it, (the Stirling Engine and its oil drum sized canister) and the 25kW?* generator it runs are located at the focal point of the dish structure which is about 40' in diameter. So I assume them to be big enough to cradle a semi trailer in?
*Another part of the site said 1 MW takes 40 of these.... So for 500 MW they need 20,000 of them... But if they can find birdless skys far from Martha's Vineyard they could put up 70-100 of these.
http://www.ge.com/stories/en/20423.html?category=Product_Business [This message has been edited by e57 (edited 02-26-2007).]