A controller (46) includes: a data accumulation unit (62) that obtains data of an amount of electric power consumed in a residence (6) and accumulates the obtained data; a representative pattern creation unit (64) that creates a representative pattern base...

The carport (1) has a side-base structure (6) that is provided with its balance point and arranged outside of balance point of a roof surface or a line by the balance point and perpendicular to the two oppositely lying front sides. The side base structure ...

A charging operation controlling portion controls charging current of charging voltage when the battery pack 440 is charged with electric power generated by the solar panel 410. The current detecting portion 456 detects charging current of the battery pack...