Fast Company's May 2010 issue came in the mail and there is a nice sidebar showing a schematic of the Gotham Greens factory-roof farm complete with a 60 kilowatt solar array.
Highly-placed Brooklyn officials (actually a pal of my electrician) says this greenhouse farm and photovoltaic (PV) array will be on the roof of the
60 kW peak power might take about 6,000 square feet (about two tennis courts or about 75' by 75') of PV cells on average.
