The tables below display the data which are related to the figures of the Electricity Wholesale Markets of the 2021

Data items

Name Reference Source
Bid offer spread (% of ask price) Figure 25 and Figure 28 ACER calculation based on ICIS data.
EU MSs gas consumption 2012-2021 TWh/year Figure 3 ACER calculation based on Eurostat
EU and EnC cross-border gas flows 2012-2021 bcm/year Figure iv ACER calculation based on IEA and ENTSOG (2021).
Estimated average suppliers’ gas sourcing costs in EurosMWh by EU MS and EnC CP for 2012 Q1 2022 Figure 34 ACER calculation based on Eurostat Comext, ICIS and NRAs from both MSs and EnC CPs.
Estimated number and diversity of supply sources 2021 Figure 37 ACER calculation based on Eurostat Comext and EnC Secretariat data
Evolution of EU transportation capacity booked by capacity type (2016-2045) - TWh/day Figure 51 ACER estimation based on data from ENTSOG transparency platform and GSA, PRISMA and RBP gas transportation capacity booking platforms
Evolution of International wholesale Gas prices 2008-2021 Figure 6 and Figure 8 ACER calculation based on GIE ALSI and ICIS Heren data.
Evolution of tariffs Figure vi ACER calculation based on ENTSOG, CEER and individual TSOs (2021)
Market concentration 2021 Figure 26 and Figure 29 ACER estimate based on REMIT data.
Number of trades and trading horizon 2021 Figure 24, 27 and 30 ACER calculation based on REMIT.
Overview of EU MSs AGTM market health metrics (RSI, HHI and number of supply sources) 2016_2019 Figure 13 ACER calculation based on ENTSOG capacity data, Eurostat and NRAs