Page 19 - Industrial Plants

Fig 5 - Storage Energy
Optimization with off
Peak and Peak Tariff

Fig 6- Energy Management System allows the digital smart control of Storage Systems

TSO is forced sometimes to curtail big quantities of the-meter (FTM) however, the behind-the-meter
clean and cheap wind and solar energy. The (BTM) market is also important, particularly as
managing of Energy Optimization (considering peak corporates seek to reduce their own emissions to
tariff and off Peak tariff is something that a Smart achieve their sustainability goals. BTM installations
Controller (Energy Management System) is able to includes customer stationary storage systems for
provide (see Fig 5), comprehensive digital strategies commercial, residential and industrial self-use of
to support system optimization at the lowest cost. stored energy. It is expected that these BTM
Battery energy storage systems can be defined installations will become more than one half of
“Digitally Smart” when they have an intelligent global storage capacity by 2030.
software at the power level using algorithms to Another “smart feature” of the Storage is the resilient
coordinate energy production, while there is a characteristic “Grid Forming” of inverter control.
“decision maker” computerized control system used Most of inverter-based sources are Grid Following
to decide when to keep the energy to provide Inverters (the voltage angle of the grid is used to
reserves or release it to the grid: i.e. Energy is control their output). But BESS using grid-following
released during times of peak demand, keeping inverters are not resilient to grid disturbances. They
costs down and electricity flowing. typically shut down until the disturbance has passed,
and require the grid to reestablish after a blackout
Most of the applications on grid-scale are front-of- before reestablishing themselves (no black start). On

IndustrIal Plants - May 2022
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