rpaul, Please download the plugin again. There was a problem with the previous one.

@adamb said: And lets not forget LightUp which will do realtime Insolation analysis based on Geolocation and give Kwh/m^2/day for tracking and non-tracking surfaces. Adam I was thinking about LightUp for this purpose Adam. I wonder should you consider going down the 'Energy' road with LightUp as it would appear that you would have the foundations laid! Its all above my head unless its put forward in a simple and straight forward package which Open Studio would not appear to be If you need guinea pigs for such a development process I am sure that the architects and engineers here would be more than willing to work with you. For me, while pretty pictures are nice, getting the Green element right is far more important Mike