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In the years 2016–17, the Institute of Power Engineering implemented a control system for the Local Balancing Zone (LBZ) in the Energa Operator distribution network in Puck. As part of the GEKON project financed by the National Fund for Environmental Protection, a modular energy storage facility with a total power capacity of 0.75 MVA and a storage capacity of 1.5 MWh was built, located within the 15 kV network in the area of the Władysławowo distribution substation. The aim of the project that introduced the first battery energy storage system to the National Power System was to create conditions for optimising the operation of a dedicated area of three power lines' network through integrated management of local regulatory resources in the presence of distributed generation in the form of wind farms and biogas plants (Table). The optimisation of LBZ operation consists in planning the use of the storage system's capacity and power to remove operational constraints on the basis of forecasts of wind power demand and generation and to compensate for voltage drops using the storage system as a controllable source of reactive power. Besides, tests of island operation with balancing the wind power demand and generation by means of the storage system were successfully carried out.

The Institute of Power Engineering develops grid impact studies for planned energy storage system investments.

Detailed information

Tomasz Ogryczak

(+48 58) 349-81-60

t.ogryczak@ien.gda.pl