def power(self):
        """:return: A power object modeled as a named tuple"""
        power = self._state['powerUsage']
        return PowerUsage(power.get('avgDayValue'),
                          power.get('avgValue'),
                          power.get('dayCost'),
                          power.get('dayUsage'),
                          power.get('isSmart'),
                          power.get('meterReading'),
                          power.get('value'),
                          power.get('meterReadingLow'),
                          power.get('dayLowUsage'))
:return: A power object modeled as a named tuple