Polish, German power TSOs to sign phase shifter deal: official

Warsaw (Platts)--14Dec2012/845 am EST/1345 GMT


Poland's transmission system operator, PSE Operator, is planning to sign a deal next week with German TSO Hertz50 to build phase shifters on the Polish-German border to prevent overloading on the Polish grid caused by wind energy generation in northern Germany, PSE Operator's CEO, Henryk Majchrzak, said Friday.

"In the coming months we will test the virtual phase shifting program. This is a survey program by both TSOs. However, we already know today that it will not produce such results to guarantee phase shifting, so we have decided to jointly build the phase shifters," Majchrzak told the Power Ring 2012 conference in Warsaw, the state news agency PAP reported.

"I hope that we will sign the contract next week because we already have a pre-agreement on this issue. It will enable us to increase import capacity by 500 MW, and increase export capacity by 1,500 MW."

Germany is the biggest importer of electricity from Poland. Polish power exports to Germany this year are expected to reach 2.5 TWh.

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No-one at PSE Operator was immediately available to comment.

Majchrzak said plans to build a third 400 kV interconnector with Germany are currently being analyzed. The project would be eligible for Eur1.5 million in EU funding.

Phase shifters on the Polish-German border will limit the risk of cascade outages caused by wind farm generation in northern Germany. When local demand in Germany is insufficient to consume wind farm generation the electricity is exported to southern Europe, which increases the risk of overloading on the Polish grid system.

--Adam Easton, newsdesk@platts.com
--Edited by Jonathan Fox, jonathan_fox@platts.com