CPC H02J 7/00712 (2020.01) [B60L 53/62 (2019.02); B60L 53/64 (2019.02); H02J 3/003 (2020.01); H02J 3/322 (2020.01); H02J 3/381 (2013.01); H02J 7/0049 (2020.01); H02J 2300/22 (2020.01)] | 14 Claims |
1. An energy system of a building, comprising:
a power storage device; and
a controller programmed to
during a period of time for which energy costs are lowest, charge a power storage device to a maximum state of charge, and
during a period of time for which (i) energy costs are not lowest and (ii) an immediate subsequent period of time is predicted to have higher energy costs, charge the power storage device to a target state of charge that is less than the maximum state of charge and that depends on predicted power demand during the immediate subsequent period of time.
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