240 BESS MW OSDn - PSE - 400kV - Wielkopolskie

Distribution system connection project (OSDn) – BESS 240 MW / 240 MW

Connection voltage: 400 kV

Energy storage capacity: 240 MW (feed-in) / 240 MW (feed-out)

Planned date of readiness for voltage supply: June 2030.

Estimated connection fee: PLN 25,565,500.00 net + VAT

The project involves connecting a distribution system integrated with energy storage facilities with a total installed capacity of 240 MW (charging and discharging) to the transmission grid.

In accordance with the connection conditions issued by Polskie Sieci Elektroenergetyczne S.A. (PSE S.A.), the investment is planned to be implemented at a voltage level of 400 kV, with the connection point at the 400/220/110 kV Plewiska station (busbar bridge in the 400 kV switchyard).

The earliest date for ensuring readiness to supply voltage has been set for June 2030, assuming that the connection agreement is concluded in May 2026. This date may change during the negotiation of the connection agreement and depending on the Operator's network investment schedule.

The estimated connection fee, determined on the basis of the connection conditions, is PLN 25,565,500.00 net + VAT, with the possibility of updating at the stage of concluding the connection agreement.