'Return the state attributes of the monitored installation.'

@property
def device_state_attributes(self):

    if (self.pvcoutput is not None):
        return {ATTR_ENERGY_GENERATION: self.pvcoutput.energy_generation, ATTR_POWER_GENERATION: self.pvcoutput.power_generation, ATTR_ENERGY_CONSUMPTION: self.pvcoutput.energy_consumption, ATTR_POWER_CONSUMPTION: self.pvcoutput.power_consumption, ATTR_EFFICIENCY: self.pvcoutput.efficiency, ATTR_TEMPERATURE: self.pvcoutput.temperature, ATTR_VOLTAGE: self.pvcoutput.voltage}
