Support to ACER for preparation of the gas congestion management report – VIS has been commission by ACER to provide support with preparation of the 8th edition of the Congestion Report at gas Interconnection Points, in line with Annex I to Regulation (EC) No 715/2009 (amended by Decision of 24/8/2012). The support entailed collection and validation of data on capacity auctions (capacity offers and demand, tariffs, premia), development of an excel-based congestion analysis tool, analysis of congestion data, support ACER with drafting of the Congestion Report.