Online free solar photovoltaic energy calculator.
This application calculates the monthly and yearly potential electricity generation E [kWh] of a Photovoltaic system with defined modules tilt and orientation.
My app it's only browser of page PV Calculator.
Owner is European Union, 1995-2015: http://europa.eu/
Home Page: http://re.jrc.ec.europa.eu/pvgis/apps4/pvest.php?lang=en&map=europe