Wpływ unbundlingu na działalność polskich elektroenergetycznych przedsiębiorstw sieciowych
The influence of unbundling on the activity of Polish power grid enterprises

Summary/Abstract: The legal environment applied to Polish energy companies, operating within vertically integrated structures, has significantly changed after Poland’s accession to the EU. Previously, the subject of the activity of the then power plants (operating as state-owned enterprises property of the State Treasury, and then transformed into sole-shareholder companies of the State Treasury) included both: transmission or distribution of energy as well as its sale or production. The functioning of these enterprises as monopolists in transmission or distribution of energy, and at the same time operating in the sphere of energy sales, was at that time diagnosed as the main barrier to the development of a free and competitive energy sales market. This created a real risk of a monopolist giving unauthorized preferential treatment to its own integrated seller. In connection with this diagnosis, measures were taken to provide interested parties with non-discriminatory access to energy networks – the unbundling instrument became its main tool, understood as the separation of sales and energy production from network operations

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