Do you know any reliable firms in production modeling for grid tied systems?
Anybody know any reliable firms engaged in production modeling?
One engineering firm that does have a great deal of experience in this area is Aries Power & Industrial Co. They have done a lot of work for renewable projects throughout the world modeling power production. They have offices in both the US and in Spain.
Let me know if you find them useful.
For larger projects, the most well known Engineering firm for production modeling is BEW Engineering.
For smaller residential projects you can use:
The State of California EPBB caluculator:
or NREL's PV Watts