On March 16, 2017, Zuzanna Ochońska and Agnieszka Staszek were speakers at the workshop “Consumer Law in the Power Sector – Practical Aspects”, organized in Warsaw by Proability. Their presentation concerned the subject of “Contractual penalties in the electricity sale contracts”. They presented the applicable restrictions stemming from the energy and consumer laws, against the background of the pertinent decisions of the President of the Office of Competition and Consumer Protection.