DECEMBER KPI REPORT. Service Provider SLA Performance Core and Non-Core Settlement Systems Core and Non-Core BSC Systems. Supplier Performance

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1 1.% 99.5% 99.% 98.5% 98.% 97.5% 97.% Core and Non-Core Settlement Systems Core and Non-Core BSC Systems In December, Core Settlement was affected by Service Desk metrics of less than 1%. Please see below for more details. Non-Core Core 1.% 95.% 9.% 85.% 8.% 75.% Service Provider SLA Performance 18 Supplier Performance We have experienced two service failures this month: BMRA - There was an unplanned infrastructure outage on 12 December 18 which impacted both SLAs for the BMRS. There was no data published via the BMRS website, APIs, Data Push and TIBCO service from 18:45 (GMT). The Service was restored and the backlog of files and BMRS settlement were processing from approximately 22:5 (GMT). CGI Page 1 of 5 ELEXON 19

2 Disputes by Raising Party for Jan 18 - Dec 18 Supplier Distibutor Generator ELEXON Trading Party (General) Trading Party (Non Physical) Transmission Company Disputes by Raising Party Type This KPI shows all Disputes raised over the last 12 months by the type of participant who raised the Dispute Dispute Resolution Time for past 12 months Disputes by Resolution Time Six disputes were closed in December and five were opened. The annual average resolution time to December is 141 days (+16). Monthly Avarage Resolution Time (days) One Year Avarage Resolution Time (days) Page 2 of 5 ELEXON 19

3 Monthly Cost Cumulative Annual Cost 's No. Decisions 1.% 95.% 9.% 85.% 8.% 75.% Panel & Panel Committee Decisions Panel and Panel Committee Decisions For the month of December all 75 decisions submitted to the Panel and its committees were made. Decisions Made Decisions Deferred % decisions made 4, 3,, 1, Cost of Disputes for 17/ Cost of Processing Disputes Within the Metering and Disputes team there are two dedicated resources dealing with Trading Disputes with, going forward, some flexibility for others to help out. The costs for December 18 represent 1 man days of dedicated resource. There is an additional 5 man days covering the administration around the monthly TDC meeting. A total of 6 man days expended for December. Using a day rate of 5 gives a monthly cost of 3,. Monthly Cost of Disputes Rolling 12 Months Cost of Disputes Page 3 of 5 ELEXON 19

4 MWh (millions) Percentage MWh (millions) 's Party Imbalance Volume and Cashflow 25,, 15, 1, 5, Value of Imbalance Settlement These graphs are for information only to put ELEXON s role into context. The graphs will also be reported in the Trading Operations Report. Each BSC Party has two accounts, a production and consumption account. The Imbalance Volume and Cashflow is reported as an absolute sum by account and by Party. Some vertically integrated parties can have a short imbalance in one account and a long imbalance in the other account. These imbalances are settled at the same price, therefore the imbalance volume and cashflow net off. Party Imb Vol (MWh) Total Party Imbalance Cashflow ( ) Total Demand and Party Imbalance Percentage Total Demand (MWh) Party Imb Vol as % of Total Demand Page 4 of 5 ELEXON 19

5 5.%.% -5.% -1.% -15.% -.% Percentage (Under)/Over Spend vs Budget Apr May Jun Jul Aug Sep Oct Nov Dec Jan Feb Mar 17/18 18/19 Operational 17/18 Operational 18/19 Financial Year 18/19 Spend against Budget compared with 17/18 ELEXON overall are 2.3% under budget for the financial year 18/19, once the EMR grant income has been taken into account. The operational forecast is 2.7% under budget, Contracted costs are 2.5% under budget, Market development costs are 28.8% under budget, Demand led costs are 7.4% under budget and System Strategy costs are (5.9%) over budget. ELEXON Annual Customer Survey This graph has been updated to include the 17 Customer Survey. ELEXON s scores for 17 are overall 7.8 (-.2), average service satisfaction 7.6 (-.2), and keeping costs down 6.7 (+.2). Note, the scores above are average out of 1. Page 5 of 5 ELEXON 19