The ongoing transition to renewable energies makes electric vehicle charging an important element of a holistic smart energy ecosystem.
EV batteries can be used as storage capacity to support the grid in times of fluctuating renewable energy supply. In vehicle-to-home (V2H) use cases, the focus is on local optimization behind the meter. This requires close interaction between the charging of electric vehicles and other consumers, such as local battery storage systems, photovoltaic systems or heat pumps. An essential component for local optimization is the Energy Management System (EMS), which monitors and balances demand and supply behind the meter with the aim of optimizing loads.
Various EMS solutions were tested in the P3 laboratory for intelligent charging and energy solutions (P3 Energy Lab). The focus here is on PV surplus charging and the resulting indicators, self-consumption and self-sufficiency. This EMS benchmark provides initial insights into the effectiveness and performance of optimization options for EMS solutions on the German market with a focus on PV-optimized charging of electric vehicles.
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