Obtain Annual Net DC Energy for a simple efficiency PV model in Python

Hi,

I am working on assessing the feasibility of PV in different locations of the world. I am using a simple efficiency PV model for the simulation. To make things easier I decided to use the Python code generated by SAM to loop the outputs for multiple locations. I am not able to understand how to get the annual net DC energy alongside the four generated outputs (annual AC energy, capacity factor, energy yield, and performance ratio. 

        ssc.module_free(module)
        annual_energy = ssc.data_get_number(data, b'annual_energy')
        print('Annual energy (year 1) = ', annual_energy)
        capacity_factor = ssc.data_get_number(data, b'capacity_factor')
        print('Capacity factor (year 1) = ', capacity_factor)
        kwh_per_kw = ssc.data_get_number(data, b'kwh_per_kw')
        print('Energy yield (year 1) = ', kwh_per_kw)
        performance_ratio = ssc.data_get_number(data, b'performance_ratio')
        print('Performance ratio (year 1) = ', performance_ratio)
        annual_dc_net = ssc.data_get_number(data, b'Annual_DC_energy')
        print('Annual DC energy (year 1) = ', annual_dc_net)
        ssc.data_free(data) 

Whenever I run this in the program, I get the value of DC energy to be zero. Can someone please guide me on this?

Also, the complete code for the program can be found here:
drive.google.com/drive/folders/1vNCFM9-maB0NFok-MM5_3kMM2EGUC03U?usp=sharing

Thank You.

P.S. I am new to programming

Hi Ansari,

You can find a list of all of the input and output variables for the Pvsamv1 module here:

nrel-pysam.readthedocs.io/en/master/modules/Pvsamv1.html#outputs-group

I think the variable name you want to use is 'annual_dc_net' instead of 'Annual_DC_energy'.

Best regards,
Paul.

Hi Paul,

Thanks a lot for your reply. The code works perfectly.

Regards,
Ansari Aadil Shahzad