ENTSOG BAL NC Monitoring Report 2016

Germany (NCG)

BAL.1 NCG (yearly)

The BAL.1 indicator of ca. 82% on a yearly basis illustrates that overall the NCG market area has been balanced mainly via the usage of STSPs  2) , but as well as via balancing services in GY 2015/2016. (see figure 4) The BAL.1 indicator on a daily basis shows that the yearly BAL.1 value of 82% mainly arisen from the time period until May 2016 when balancing services have been conducted for balancing purposes in the L-gas network of the Market Area. The fluctuation of BAL.1 during this period has been quite high. On two days in GY 2015/2016 balancing was performed by NCG only via balancing services. On 1 May 2016, the trading platform operator PEGAS introduced tempo- ral locational STSP in coordination with NCG, which allow NCG to fulfil the balancing demand in the L-gas network on the trading platform. As a consequence no balancing services were used at all anymore.

STSP Balancing Services

18.42

%

81.58

Figure 4:  Yearly BAL.1 indicator, NCG

BAL.1 NCG (daily)

120 %

From beginning of May 2016, no balancing services were in use anymore

100

80

60

40

20

On two days balancing has been performed by NCG via balancing services only

0

01/10/2015

01/11/2015

01/12/2015

01/01/2016

01/02/2016

01/03/2016

01/04/2016

01/05/2016

01/06/2016

01/07/2016

01/08/2016

01/09/2016

Figure 5: Daily BAL.1 NCG: Usage of STSPs as % of total balancing volume in GY 2015/2016

2) On 5 days in GY2015/2016 STSP products have been conducted on the NCG balancing platform.

98 |

ENTSOG BAL NC Monitoring Report 2016