Section T contains the rules for undertaking Settlement and determining BSC Parties' Trading Charges, including the detailed algebraic calculations. It sets out the data involved and the process followed by the Settlement Administration Agent (SAA) in det

32.0

<div data-id="section-t-1-1.1" style="margin-left:0.69in;text-align:justify;text-indent:-0.69in">1.1 Introduction</div>

<div data-id="section-t-1-1.2" style="margin-left:0.69in;text-align:justify;text-indent:-0.69in">1.2 Obligation and entitlement of Parties</div>

<div data-id="section-t-1-1.3" style="margin-left:0.69in;text-align:justify;text-indent:-0.69in">1.3 Data requirements</div>

<div data-id="section-t-1-1.4" style="margin-left:0.69in;text-align:justify;text-indent:-0.69in">1.4 Data receipt and validation</div>

<div data-id="section-t-1-1.5" style="margin-left:0.69in;text-align:justify;text-indent:-0.69in">1.5 <u class='defined-term'>Market Index Definition Statement</u></div>

<div data-id="section-t-1-1.6" style="margin-left:0.69in;text-align:justify;text-indent:-0.69in">1.6 Provision of <u class='defined-term'>Market Index Data</u></div>

<div data-id="section-t-1-1.6A" style="margin-left:0.69in;text-align:justify;text-indent:-0.69in">1.6A <u class='defined-term'>Loss of Load Probability Calculation Statement</u></div>

<div data-id="section-t-1-1.7" style="margin-left:0.69in;text-align:justify;text-indent:-0.69in">1.7 Single imbalance price</div>

<div data-id="section-t-1-1.8" style="margin-left:0.69in;text-align:justify;text-indent:-0.69in">1.8 <u class='defined-term'>De Minimis Acceptance Threshold</u></div>

<div data-id="section-t-1-1.9" style="margin-left:0.69in;text-align:justify;text-indent:-0.69in">1.9 <u class='defined-term'>Continuous Acceptance Duration Limit</u> (<u class='defined-term'>CADL</u>)</div>

<div data-id="section-t-1-1.10" style="margin-left:0.69in;text-align:justify;text-indent:-0.69in">1.10 <u class='defined-term'>Price Average Reference Volume</u></div>

<div data-id="section-t-1-1.11" style="margin-left:0.69in;text-align:justify;text-indent:-0.69in">1.11 <u class='defined-term'>Replacement Price Average Reference Volume</u></div>

<div data-id="section-t-1-1.12" style="margin-left:0.69in;text-align:justify;text-indent:-0.69in">1.12 <u class='defined-term'>Value of Lost Load</u></div>

<div data-id="section-t-1-1.13" style="margin-left:0.69in;text-align:justify;text-indent:-0.69in">1.13 Annex T-2</div>

<div data-id="section-t-1-1.14" style="margin-left:0.69in;text-align:justify;text-indent:-0.69in">1.14 <u class='defined-term'>Replacement Reserve Schedule Methodology Document</u></div>

<div data-id="section-t-1" style="margin-left:0.69in;text-align:justify;text-indent:-0.69in">1. GENERAL</div>

<div data-id="section-t-2-2.1" style="margin-left:0.69in;text-align:justify;text-indent:-0.69in">2.1 Delivering and Offtaking <u class='defined-term'>Trading Unit</u>s</div>

<div data-id="section-t-2-2.2" style="margin-left:0.69in;text-align:justify;text-indent:-0.69in">2.2 <u class='defined-term'>Transmission Loss Factor</u>s</div>

<div data-id="section-t-2-2.3" style="margin-left:0.69in;text-align:justify;text-indent:-0.69in">2.3 Determination of the <u class='defined-term'>Transmission Loss Multiplier</u>s</div>

<div data-id="section-t-2" style="margin-left:0.69in;text-align:justify;text-indent:-0.69in">2. ALLOCATION OF TRANSMISSION LOSSES</div>

<div data-id="section-t-3-3.1" style="margin-left:0.69in;text-align:justify;text-indent:-0.69in">3.1 Conversion of Data Received from the <u class='defined-term'>NETSO</u></div>

<div data-id="section-t-3-3.2" style="margin-left:0.69in;text-align:justify;text-indent:-0.69in">3.2 Establishment of final <u class='defined-term'>Physical Notification</u> (<u class='defined-term'>FPN<sub>ij</sub>(t)</u>)</div>

<div data-id="section-t-3-3.3" style="margin-left:0.69in;text-align:justify;text-indent:-0.69in">3.3 Establishment of <u class='defined-term'>Bid-Offer Volume</u> (<u class='defined-term'>qBO<sup>n</sup><sub>ij</sub>(t)</u>)</div>

<div data-id="section-t-3-3.4" style="margin-left:0.69in;text-align:justify;text-indent:-0.69in">3.4 Establishment of <u class='defined-term'>Acceptance Volume</u> (<u class='defined-term'>qA<sup>k</sup><sub>ij</sub>(t)</u>)</div>

<div data-id="section-t-3-3.4A" style="margin-left:0.69in;text-align:justify;text-indent:-0.69in">3.4A Establishment of <u class='defined-term'>Bid-Offer Upper Range</u> (<u class='defined-term'>BOUR<sup>n</sup><sub>ij</sub>(t)</u>) and <u class='defined-term'>Bid-Offer Lower Range</u> (<u class='defined-term'>BOLR<sup>n</sup><sub>ij</sub>(t)</u>) in relation to FPN and <u class='defined-term'>Submitted Bid-Offer Pair</u>s</div>

<div data-id="section-t-3-3.4B" style="margin-left:0.69in;text-align:justify;text-indent:-0.69in">3.4B Creation of <u class='defined-term'>Bid-Offer Pair</u>s</div>

<div data-id="section-t-3-3.5" style="margin-left:0.69in;text-align:justify;text-indent:-0.69in">3.5 Establishment of <u class='defined-term'>Bid-Offer Upper Range</u> (<u class='defined-term'>BOUR<sup>n</sup><sub>ij</sub>(t)</u>) and <u class='defined-term'>Bid-Offer Lower Range</u> (<u class='defined-term'>BOLR<sup>n</sup><sub>ij</sub>(t)</u>) in relation to <u class='defined-term'>Unsubmitted Bid-Offer Pair</u>s</div>

<div data-id="section-t-3-3.6" style="margin-left:0.69in;text-align:justify;text-indent:-0.69in">3.6 Determination of <u class='defined-term'>Accepted Bid-Offer Volume</u> (qABO<sup>kn</sup><sub>ij</sub> (t))</div>

<div data-id="section-t-3-3.7" style="margin-left:0.69in;text-align:justify;text-indent:-0.69in">3.7 <u class='defined-term'>Accepted Offer Volume</u> (<u class='defined-term'>QAO<sup>kn</sup><sub>ij</sub></u> (t)) and <u class='defined-term'>Accepted Bid Volume</u> (<u class='defined-term'>QAB<sup>kn</sup><sub>ij</sub></u> (t))</div>

<div data-id="section-t-3-3.8" style="margin-left:0.69in;text-align:justify;text-indent:-0.69in">3.8 Determination of <u class='defined-term'>Period Accepted Offer Volume</u> (<u class='defined-term'>QAO<sup>kn</sup><sub>ij</sub></u>), <u class='defined-term'>Period Accepted Bid Volume</u> (<u class='defined-term'>QAB<sup>kn</sup><sub>ij</sub></u>), <u class='defined-term'>Period RR Accepted Offer Volume</u> (<u class='defined-term'>RRAO<sup>kn</sup><sub>ij</sub></u>) and <u class='defined-term'>Period RR Accepted Bid Volume</u> (<u class='defined-term'>RRAB<sup>kn</sup><sub>ij</sub></u>)</div>

<div data-id="section-t-3-3.9" style="margin-left:0.69in;text-align:justify;text-indent:-0.69in">3.9 Determination of <u class='defined-term'>Period BM Unit Total Accepted Offer Volume</u> (<u class='defined-term'>QAO<sup>n</sup><sub>ij</sub></u>), <u class='defined-term'>Period BM Unit Total Accepted Bid Volume</u> (<u class='defined-term'>QAB<sup>n</sup><sub>ij</sub></u>), <u class='defined-term'>Period RR Total Accepted Offer Volume</u> (<u class='defined-term'>RRAO<sup>n</sup><sub>ij</sub></u>), <u class='defined-term'>Period RR Total Accepted Bid Volume</u> (<u class='defined-term'>RRAB<sup>n</sup><sub>ij</sub></u>) and <u class='defined-term'>Quarter Hour RR Activation Volume</u> (<u class='defined-term'>RRAV<sub>iJ</sub></u>)</div>

<div data-id="section-t-3-3.10" style="margin-left:0.69in;text-align:justify;text-indent:-0.69in">3.10 Determination of <u class='defined-term'>Period BM Unit Offer Cashflow</u> (<u class='defined-term'>CO<sup>n</sup><sub>ij</sub></u>) and <u class='defined-term'>Period BM Unit Bid Cashflow</u> (<u class='defined-term'>CB<sup>n</sup><sub>ij</sub></u>)</div>

<div data-id="section-t-3-3.11" style="margin-left:0.69in;text-align:justify;text-indent:-0.69in">3.11 Determination of <u class='defined-term'>Period BM Unit Cashflow</u> (<u class='defined-term'>CBM<sub>ij</sub></u>)</div>

<div data-id="section-t-3-3.11A" style="margin-left:0.69in;text-align:justify;text-indent:-0.69in">3.11A Determination of <u class='defined-term'>Quarter Hour RR Cashflow</u> (<u class='defined-term'>CCR<sub>iJ</sub></u>)</div>

<div data-id="section-t-3-3.11A.3" style="margin-left:0.69in;text-align:justify;text-indent:-0.69in">3.11A.3 Determination of <u class='defined-term'>Period RR BM Unit Cashflow</u> (<u class='defined-term'>CRR<sub>ij</sub></u>)</div>

<div data-id="section-t-3-3.12" style="margin-left:0.69in;text-align:justify;text-indent:-0.69in">3.12 Determination of <u class='defined-term'>Total System</u> BM Cashflow (<u class='defined-term'>TCBM<sub>j</sub></u>) and <u class='defined-term'>Daily Party BM Unit Cashflow</u> (<u class='defined-term'>CBM<sub>p</sub></u>)</div>

<div data-id="section-t-3-3.13" style="margin-left:0.69in;text-align:justify;text-indent:-0.69in">3.13 Determination of <u class='defined-term'>Reserve Scarcity Price</u> (<u class='defined-term'>RSVP<sub>j</sub></u>)</div>

<div data-id="section-t-3-3.14" style="margin-left:0.69in;text-align:justify;text-indent:-0.69in">3.14 Determination of <u class='defined-term'>STOR Action Price</u> (<u class='defined-term'>STAP<sup>t</sup><sub>j</sub></u>)</div>

<div data-id="section-t-3-3.15" style="margin-left:0.69in;text-align:justify;text-indent:-0.69in">3.15 Determination of <u class='defined-term'>System</u> and <u class='defined-term'>Balancing Demand Control Volume</u>s (<u class='defined-term'>QSDC<sub>cj</sub></u> and <u class='defined-term'>QBDC<sub>cj</sub></u>)</div>

<div data-id="section-t-3-3.17" style="margin-left:0.69in;text-align:justify;text-indent:-0.69in">3.17 Determination of <u class='defined-term'>Deemed Standard Product Shape</u> (<u class='defined-term'>qDSP<sup>J</sup><sub>ij</sub>(t)</u>)</div>

<div data-id="section-t-3-3.18" style="margin-left:0.69in;text-align:justify;text-indent:-0.69in">3.18 Determination of <u class='defined-term'>Deemed Standard Product Volume</u> (<u class='defined-term'>qDSPV<sup>J</sup><sub>ij</sub>(t)</u>)</div>

<div data-id="section-t-3-3.19" style="margin-left:0.69in;text-align:justify;text-indent:-0.69in">3.19 Determination of <u class='defined-term'>Deemed Standard Product Offer Volume</u> (<u class='defined-term'>qDSPO<sup>J</sup><sub>ij</sub>(t)</u>) and <u class='defined-term'>Deemed Standard Product Bid Volume</u> (<u class='defined-term'>qDSPB<sup>J</sup><sub>ij</sub>(t)</u>)</div>

<div data-id="section-t-3-3.20" style="margin-left:0.69in;text-align:justify;text-indent:-0.69in">3.20 Determination of <u class='defined-term'>Period Deemed Standard Product Offer Volume</u> (<u class='defined-term'>DSPO<sup>J</sup><sub>ij</sub></u>) and <u class='defined-term'>Period Deemed Standard Product Bid Volume</u> (<u class='defined-term'>DSPB<sup>J</sup><sub>ij</sub></u>)</div>

<div data-id="section-t-3-3.21" style="margin-left:0.69in;text-align:justify;text-indent:-0.69in">3.21 Determination of <u class='defined-term'>Total Period Deemed Standard Product Offer Volume</u> (<u class='defined-term'>TDSPO<sub>ij</sub></u>) and <u class='defined-term'>Total Period Deemed Standard Product Bid Volume</u> (<u class='defined-term'>TDSPB<sub>ij</sub></u>)</div>

<div data-id="section-t-3-3.22" style="margin-left:0.69in;text-align:justify;text-indent:-0.69in">3.22 Determination of <u class='defined-term'>Replacement Reserve</u> Instructed <u class='defined-term'>Offer</u> Deviation (<u class='defined-term'>IOD<sub>ij</sub></u>) and <u class='defined-term'>Replacement Reserve</u> Instructed Bid Deviation (<u class='defined-term'>IBD<sub>ij</sub></u>)</div>

<div data-id="section-t-3-3.23" style="margin-left:0.69in;text-align:justify;text-indent:-0.69in">3.23 Determination of <u class='defined-term'>Replacement Reserve Period Instructed Offer Deviation Cashflow</u> (<u class='defined-term'>CDO<sub>ij</sub></u>)and <u class='defined-term'>Replacement Reserve Period Instructed Bid Deviation Cashflow</u> (<u class='defined-term'>CDB<sub>ij</sub></u>)</div>

<div data-id="section-t-3-3.24" style="margin-left:0.69in;text-align:justify;text-indent:-0.69in">3.24 Determination of the <u class='defined-term'>Replacement Reserve Period Instruction Deviation Cashflow</u> (<u class='defined-term'>CDR<sub>ij</sub></u>)</div>

<div data-id="section-t-3-3.25" style="margin-left:0.69in;text-align:justify;text-indent:-0.69in">3.25 Determination of <u class='defined-term'>Total System RR Cashflow</u> (<u class='defined-term'>TCRR<sub>j</sub></u>), <u class='defined-term'>Daily Party RR Cashflow</u> (<u class='defined-term'>CRR<sub>p</sub></u>) and <u class='defined-term'>Daily Party RR Instruction Deviation Cashflow</u> (<u class='defined-term'>CDR<sub>p</sub></u>)</div>

<div data-id="section-t-3" style="margin-left:0.69in;text-align:justify;text-indent:-0.69in">3. <u class='defined-term'>Settlement</u> OF BALANCING ACTIONS</div>

<div data-id="section-t-4-4.1" style="margin-left:0.69in;text-align:justify;text-indent:-0.69in">4.1 Treatment of <u class='defined-term'>Interconnector BM Unit</u>s</div>

<div data-id="section-t-4-4.2" style="margin-left:0.69in;text-align:justify;text-indent:-0.69in">4.2 Determination of <u class='defined-term'>BM Unit Metered Volume</u> (<u class='defined-term'>QM<sub>ij</sub></u>) for <u class='defined-term'>Supplier BM Unit</u>s</div>

<div data-id="section-t-4-4.2A" style="margin-left:0.69in;text-align:justify;text-indent:-0.69in">4.2A Determination of <u class='defined-term'>BM Unit Metered Volume</u> (<u class='defined-term'>QM<sub>ij</sub></u>) for <u class='defined-term'>Secondary BM Unit</u>s</div>

<div data-id="section-t-4-4.3" style="margin-left:0.69in;text-align:justify;text-indent:-0.69in">4.3 Determination of Information Imbalance Volumes (<u class='defined-term'>QII<sub>ij</sub></u>) and Charges (<u class='defined-term'>CII<sub>ij</sub></u>)</div>

<div data-id="section-t-4-4.3A" style="margin-left:0.69in;text-align:justify;text-indent:-0.69in">4.3A Determination of <u class='defined-term'>Market Price</u> (<u class='defined-term'>MP<sub>j</sub></u>)</div>

<div data-id="section-t-4-4.3B" style="margin-left:0.69in;text-align:justify;text-indent:-0.69in">4.3B Determination of Period <u class='defined-term'>Supplier BM Unit</u> Delivered Volume (QBSD<sub>i</sub><sub>j</sub>) for <u class='defined-term'>Secondary BM Unit</u>s</div>

<div data-id="section-t-4-4.4" style="margin-left:0.69in;text-align:justify;text-indent:-0.69in">4.4 Determination of Energy Imbalance Prices (SBPj and SSPj)</div>

<div data-id="section-t-4-4.5" style="margin-left:0.69in;text-align:justify;text-indent:-0.69in">4.5 Determination of <u class='defined-term'>Credited Energy Volume</u>s (<u class='defined-term'>QCE<sub>iaj</sub></u>) for each <u class='defined-term'>Energy Account</u></div>

<div data-id="section-t-4-4.6" style="margin-left:0.69in;text-align:justify;text-indent:-0.69in">4.6 Determination of Energy Imbalance (<u class='defined-term'>QAEI<sub>aj</sub></u>) for each <u class='defined-term'>Energy Account</u></div>

<div data-id="section-t-4-4.7" style="margin-left:0.69in;text-align:justify;text-indent:-0.69in">4.7 Determination of Energy Imbalance Cashflows (<u class='defined-term'>CAEI<sub>aj</sub></u> and <u class='defined-term'>TCEI<sub>j</sub></u>)</div>

<div data-id="section-t-4-4.8" style="margin-left:0.69in;text-align:justify;text-indent:-0.69in">4.8 Non-Delivery Rule and Calculations</div>

<div data-id="section-t-4-4.9" style="margin-left:0.69in;text-align:justify;text-indent:-0.69in">4.9 Determination of <u class='defined-term'>System Operator Cashflow</u> (<u class='defined-term'>CSO<sub>j</sub></u>)</div>

<div data-id="section-t-4-4.10" style="margin-left:0.69in;text-align:justify;text-indent:-0.69in">4.10 Determination of Residual Cashflow Allocations</div>

<div data-id="section-t-4" style="margin-left:0.69in;text-align:justify;text-indent:-0.69in">4. <u class='defined-term'>Settlement</u> CALCULATIONS</div>

<div data-id="section-t-5-5.1" style="margin-left:0.69in;text-align:justify;text-indent:-0.69in">5.1 Responsibility of SAA</div>

<div data-id="section-t-5-5.2" style="margin-left:0.69in;text-align:justify;text-indent:-0.69in">5.2 Requirement to carry out <u class='defined-term'>Settlement Run</u>s</div>

<div data-id="section-t-5-5.3" style="margin-left:0.69in;text-align:justify;text-indent:-0.69in">5.3 Submission of <u class='defined-term'>Settlement</u> data</div>

<div data-id="section-t-5-5.4" style="margin-left:0.69in;text-align:justify;text-indent:-0.69in">5.4 Failure of SAA's systems, etc</div>

<div data-id="section-t-5" style="margin-left:0.69in;text-align:justify;text-indent:-0.69in">5. <u class='defined-term'>Settlement</u></div>

<div data-id="section-t-6-6.1" style="margin-left:0.69in;text-align:justify;text-indent:-0.69in">6.1 Determination of <u class='defined-term'>Trading Unit</u> <u class='defined-term'>Export</u> and <u class='defined-term'>Import</u> Volumes (<u class='defined-term'>QTUE<sub>rj</sub></u> and <u class='defined-term'>QTUI<sub>rj</sub></u>)</div>

<div data-id="section-t-6" style="margin-left:0.69in;text-align:justify;text-indent:-0.69in">6. ADDITIONAL CALCULATIONS</div>

<div data-id="section-t-7" style="margin-left:0.69in;text-align:justify;text-indent:-0.69in">7 SUBMISSION OF REPLACEMENT RESERVE DATA TO THE <u class='defined-term'>SVAA</u></div>

<div data-id="part-1--derivation-of-final-ranked-set-of-system-actions" style="margin-left:0.69in;text-align:justify;text-indent:-0.69in">Part 1 – Derivation of <u class='defined-term'>Final Ranked Set</u> of <u class='defined-term'>System Action</u>s</div>

<div data-id="part-2---detailed-provisions" style="margin-left:0.69in;text-align:justify;text-indent:-0.69in">Part 2 - Detailed Provisions</div>

<div data-id="part-3--terms-for-reporting" style="margin-left:0.69in;text-align:justify;text-indent:-0.69in">Part 3 – Terms for Reporting</div>

<div data-id="annex-t-1" style="margin-left:0.69in;text-indent:-0.69in;text-align: center">Annex T-1: <u class='defined-term'>Final Ranked Set</u> of <u class='defined-term'>System Action</u>s</div>

<div data-id="annex-t-2-1" style="margin-left:0.69in;text-align:justify;text-indent:-0.69in">1. Introduction</div>

<div data-id="annex-t-2-2" style="margin-left:0.69in;text-align:justify;text-indent:-0.69in">2. <u class='defined-term'>LFM Specification</u></div>

<div data-id="annex-t-2-3" style="margin-left:0.69in;text-align:justify;text-indent:-0.69in">3. <u class='defined-term'>Load Flow Model</u></div>

<div data-id="annex-t-2-4" style="margin-left:0.69in;text-align:justify;text-indent:-0.69in">4. <u class='defined-term'>Zone</u>s, <u class='defined-term'>Node</u>s and Mapping</div>

<div data-id="annex-t-2-5" style="margin-left:0.69in;text-align:justify;text-indent:-0.69in">5. <u class='defined-term'>Transmission Network Data</u> and <u class='defined-term'>HVDC Boundary Data</u></div>

<div data-id="annex-t-2-6" style="margin-left:0.69in;text-align:justify;text-indent:-0.69in">6. <u class='defined-term'>Distribution Network Data</u></div>

<div data-id="annex-t-2-7" style="margin-left:0.69in;text-align:justify;text-indent:-0.69in">7. <u class='defined-term'>Sample Settlement Period</u>s</div>

<div data-id="annex-t-2-8" style="margin-left:0.69in;text-align:justify;text-indent:-0.69in">8. Determination of TLFs</div>

<div data-id="annex-t-2-9" style="margin-left:0.69in;text-align:justify;text-indent:-0.69in">9. Determination of the <u class='defined-term'>Transmission Loss Factor Adjustment</u> (<u class='defined-term'>TLFA</u><sub>S</sub>)</div>

<div data-id="annex-t-2-10" style="margin-left:0.69in;text-align:justify;text-indent:-0.69in">10. Role and powers of the <u class='defined-term'>NETSO</u></div>

<div data-id="annex-t-2" style="margin-left:0.69in;text-indent:-0.69in;text-align: center">Annex T-2: <u class='defined-term'>Transmission Loss Factor</u>s</div>

<div data-id="section-t" style="text-align:center">SECTION T: <u class='defined-term'>Settlement</u> AND <u class='defined-term'>Trading Charges</u></div>

CONTENTS

Testing_17799 V32.0

Defined Terms

Cross-references