def peak_generation(self):
        """Cumulative peak generation of generators connected to LV grids of 
        underlying LVGDs
        """
        cum_peak_generation = 0

        for lv_grid_district in self._lv_grid_districts:
            cum_peak_generation += lv_grid_district.lv_grid.station().peak_generation

        return cum_peak_generation
def peak_generation ( self ) : cum_peak_generation = 0 for lv_grid_district in self . _lv_grid_districts : cum_peak_generation += lv_grid_district . lv_grid . station ( ) . peak_generation return cum_peak_generation
Cumulative peak generation of generators connected to LV grids of 
        underlying LVGDs