ENTSOG First Report on Implementation Monitoring and Baseline for Effect Monitoring of the Tariff Network Code

In terms of the evolution of bookings for the aggregated 23 TSOs which replied to this question, the following figure indicates a moderate reduction of the share of yearly capacity products in the portfolio of booked capacity between gas years 2014–15 and 2015–16. However, it is important to note that some TSOs did not send data on indicator TAR.3. In case they participate in future EM reports, the current results may be significantly modified.

0%

0%

3%

3%

8%

11%

Yearly rm Quarterly rm Monthly rm Daily rm WD rm Interruptible

Yearly rm Quarterly rm Monthly rm Daily rm WD rm Interruptible

5%

3%

7%

Annualised breakdown of bookings 2014–15

Annualised breakdown of bookings 2015–16

4%

81%

75%

Figure 35: Aggregated breakdown of TAR.3 capacity bookings

Interestingly, in just one year the share of yearly bookings was adjusted down from 81% to 75% of total TSO capacity bookings. These capacities were replaced by short-term products, namely quarterly (+1pt.), monthly (+2pts) and mainly daily products ((+3 pts). This change in bookings did not affect within-day products, whose share in total bookings is still negligible. For interruptible products, it is impossible to draw any significant conclusion, because of the choice of some TSOs not to communicate on such products. However, it seems that the share of interruptible products still represents only a limited portion of TSO bookings, to the notable exception of the 2 TSOs mentioned previously. An exhaustive view of interruptible products could alter the previous picture, especially in case the share of interruptible products is currently underestimated due to TSOs keeping interruptible bookings confidential. Again, the above figure on bookings breakdown is probably dependent on some TSOs not sending data for this indicator. More comprehensive feedback from EU TSOs could show a different picture, probably with significantly lower yearly bookings.

4.4.4 RESULTS FOR TAR.4 (PUBLICATION IN ENGLISH) IN 2017

45 TSOs from 24MSs sent some details about the publication of information in English, which makes it the indicator with the best rate of feedback out of the 5 TAR NC EM indicators. Out of these TSOs, 5 are from 3MSs where English is an official language, and this aspect will be considered in the results. The table and figure below present the general situation for all 45 responding TSOs. For each TSO, the reference used remains the same for each sub-indicator of TAR.4. For example, TSO 1 refers to the same TSO across all sub-indicators of TAR.4.

60 |

TAR NC Implementation and Effect Monitoring Report 2017