Www2.nationalgrid.com/bsuos An Introduction to Balancing Services Use of System Charging (BSUOS)

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Presentation transcript:

www2.nationalgrid.com/bsuos An Introduction to Balancing Services Use of System Charging (BSUOS)

Introduction  What are BSUoS charges  Who pays BSUoS  What charges make up BSUoS  BSUoS Calculation and Billing  Settlement Final and Reconciliation Final  What comprises your BSUoS charge

BSUoS Charging  The Transmission Licence allows The Company to derive revenue in respect of the Balancing Services Activity through the Balancing Services Use of System (BSUoS) charges.  The Balancing Services Activity is defined in the Transmission Licence as the activity undertaken by The Company as part of the Transmission Business including the operation of the transmission system and the procuring and using of Balancing Services for the purpose of balancing the transmission system.

BSUoS Charging  Balancing Services Use of System Charges  Recovers costs incurred as opposed to fix allowance  Recovers the cost of ‘balancing the system’ and the system operator function  Paid by users of the transmission system  Lead party of BMU is actually billed  Calculated and settled in accordance with the Statement of Balancing Use of System Charging Methodology

Who pays BSUoS  BSUoS charges paid by:  Generators  Suppliers  Interconnectors have been exempt since 28-August  Mostly same customers that pay TNUoS

What charges make up BSUoS BSUoS charges comprise the following costs:  (i) The Total Costs of the Balancing Mechanism  (ii) Total Balancing Services Contract costs  (iii) Payments/Receipts from National Grid incentive schemes  (iv) Internal costs of operating the System  (v) Costs associated with contracting for and developing Balancing Services  (vi) Adjustments  (vii) Costs invoiced to The Company associated with Manifest Errors and Special Provisions.  (viii) BETTA implementation costs

BSUoS Calculation and Billing  Charges apportioned on a half hourly £/MWh basis  Applied proportionally according to your portfolio share  Charged half hourly  Billed Daily  Two stage Financial Settlement  SF & RF Run type DefinitionWhen you will be billed IIInterim InitialSettlement Day + 5 working days (no invoice sent) SFSettlement Final Daily, Settlement Day + 16 working days RFReconciliation Final Daily, Settlement Day + 14 months

Settlement Final and Reconciliation Final  Settlement Final (SF) The Company will calculate initial settlement (SF) BSUoS charges in accordance with the methodology set out in Chapter 9 using the latest available data, including data from the Initial Settlement Run and the Initial Volume Allocation Run.  Reconciliation Final (RF) Final Reconciliation will result in the calculation of a reconciled charge for each settlement day in the scheme year. The Company will calculate Final Reconciliation (RF) BSUoS charges (with the inclusion of interest as defined in the CUSC) in accordance with the methodology set out in Chapter 9 using the latest available data, including data from the Final Reconciliation Settlement Run and the Final Reconciliation Volume Allocation Run.

What comprises your BSUoS charge  Your BSUoS charge recovers the costs incurred by National Grid, acting as the System Operator, in executing our obligation to balance the Electricity Transmission System on behalf of the industry  There are two main components of BSUoS, external and internal:  External – the monies National Grid pays providers for delivering balancing services  Internal – the business costs of providing this function, e.g staff, buildings, systems etc  Both External and Internal Costs have an Incentive Scheme Adjustment applied to them to incentivise National Grid to balance the system economically and efficiently  All generators and suppliers are subject to a BSUoS charge

How to calculate you’re BSUoS Charge  The BSUoS calculation is BSUoS Price £/MWh x BM Unit metered Energy Volume (MWh) x Transmission Loss Multiplier x Trading Unit Delivery Mode (+ or – 1)  All these details can be found within you’re BPA report