Polskie Sieci Elektroenergetyczne S.A. (abbreviated PSE) is an electricity transmission system operator in Poland and the sole operator of the country's high-voltage transmission lines. It is 100% owned by the State Treasury.
Until 2007, PSE was a part of the PSE Group (now: Polska Grupa Energetyczna).[1]
In 2012, the company’s total revenue amounted to nearly 7.1 billion PLN, with sales revenue close to 6.8 billion PLN.[2]