Glossary of Terms

S

Scarcity Charges

means payments for Scarcity Credits

Scarcity Credit

means a Credit calculated in respect of Eligible Availability

Scarcity Credit Cap

means the Annual Scarcity Credit Cap and/or the Monthly Scarcity Credit Cap

Scarcity Factor

means a factor indicating the potential for Generation in the Pool to be less than Demand plus reserve requirements identified in the Scarcity Factor Table Methodology

Scarcity Factor Table

means the 2-column table that relates Input Margin (IM) to Derived Scarcity Factor (DSF)

Scarcity Factor Table Methodology

means the Approved Methodology referred to in Section M.2.2.1 of the Market Rules for establishing a Scarcity Factor Table

Scarcity Price

means the price at which one MWh of Eligible Availability is remunerated under the Market Rules in any given Trading Period, in accordance with Section M

Scarcity Price Run

means the operation, for a Trading Day, of the processes (including the input of Data and the running of software within the Market IT System) under the Market Rules for determining Scarcity Prices in relation to Trading Periods in that Trading Day

Scarcity Settlement Run

means a Settlement Run for determining Scarcity Charges

Secretariat

means the Market Operator acting as secretariat for the Market Advisory Committee or any sub-committee under Section C.2.4 of the Market Rules

Settlement

means the determination of Market Schedules, Pool Prices and Pool Charges pursuant to the Market Rules.  Settlement includes the operation of the Market Scheduling Software and Market IT System.  In relation to a Pool Unit or its Output or Availability, Settled means counted in Settlement.  Settlement does not include the production, issuing or payment of Pool Invoices

Settlement Amounts

means amounts payable by or to a Pool Participant in respect of Pool Charges

Settlement Query

means a query raised by a Party in respect of a Settlement Error as more particularly described in Section P.5.3 of the Market Rules

Settlement Query Deadline

has the meaning given in Section P.5.3.3 of the Market Rules

Settlement Run

means the operation, for a Trading Day or Month, as applicable, of the processes (including the input of Data and the running of software within the Market IT System) under the Market Rules for determining Energy Charges or Scarcity Charges

Settlement Statement

means a statement, for a Production Facility or Demand Side Unit, of Energy Charges or Scarcity Charges and other Settlement Data (in relation to a Trading Day or Month) in relation to that Production Facility or Demand Side Unit

Supply Licence

means a Licence to Supply electricity

Suspension

means the process specified in Section Q whereby the Market Operator suspends a Party from Trading in the Pool in respect of some or all of its registered Pool Units in accordance with a Suspension Notice and Suspend and Suspended shall be construed accordingly.

Suspension Notice

means a Notice in the form specified in Annex Q-3 of the Market Rules issued by the Market Operator to a Party in accordance with Sections Q.16.4.1 and Q.18.1 of the Market Rules stating that the Participation of any or all of its Pool Units will be temporarily Suspended in accordance with the terms of the Suspension

System Marginal Price

has the meaning given in Section L.2.2.1 of the Market Rules

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