© 2023 by XOLTA
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5.2 BESS operation modes
The XOLTA Outdoor BESS currently offers the following operation modes under 3 main categories: Renewable
support, External power control, and Grid support.
Figure 5.2:
Overview of
Outdoor BESS
operation modes
5.2.1 Renewable support
5.2.1.1 Maximizing solar self-consumption
Maximizing solar self-consumption mode is designed to maximize the battery owner’s utilization
of renewable energy, such as solar energy. As the generation of power from solar energy often occurs
at times of the day when residential households have low consumption needs, the XOLTA Outdoor
BESS stores the excess solar energy during the day and releases it when user consumption exceeds
the production from renewable energy, as shown in Figure 5.3.
In this maximizing solar self-consumption mode, the battery will charge when there is excess solar
energy (solar production is higher than the demand) and discharge when the demand is higher than
the solar production. When operating in this mode, users can expect to see their renewable self-
consumption rate increase and energy bill decrease.
Figure 5.3:
Illustration of
maximizing self-
consumption mode
functionality in the
most optimal
situation
Grid support
External power control
Renewable support
Load following
Max self-consumption
Grid voltage support
Grid tariff optimization
Grid frequency support
OPERATION MODES
Energy shifted by battery
Evening
Noon
Morning
Time Shift
Solar production
Consumption
