The LFM Specification contains the requirements, obligations, assumptions and approximations required to be supported by the LFM. The exact mechanism for the derivation of Nodal Transmission Loss Factors (TLFs) by the TLFA is the required function of the LFM

<div data-id="1-1.1" style="margin-left: 2em">1.1 Model Reviewer</div>

<div data-id="1-1.2" style="margin-left: 2em">1.2 Background</div>

<div data-id="1-1.3" style="margin-left: 2em">1.3 Objectives</div>

<div data-id="1-1.4" style="margin-left: 2em">1.4 Assumptions and Approximations</div>

<div data-id="1" style="margin-left: 1em">1 Introduction</div>

<div data-id="2-2.1" style="margin-left: 2em">2.1 STEP 1: Calculation of adjusted nodal power flows from metered generation and demand data</div>

<div data-id="2-2.2" style="margin-left: 2em">2.2 STEP 2: Evaluation of network power flows using the conventional DC <u class='defined-term'>Load Flow Model</u></div>

<div data-id="2-2.3" style="margin-left: 2em">2.3 STEP 3: Determine power injection sensitivity factors and compute TLFs</div>

<div data-id="2" style="margin-left: 1em">2 <u class='defined-term'>Load Flow Model</u> Requirements</div>

<div data-id="3" style="margin-left: 1em">3 Compliance</div>

<div data-id="4" style="margin-left: 1em">4 Appendix 1 - Definitions and Terms</div>

<div data-id="5-5.1" style="margin-left: 2em">5.1 STEP 1: Adjust metered volumes</div>

<div data-id="5-5.2" style="margin-left: 2em">5.2 STEP 2: Calculate network flows consistent using the conventional DC <u class='defined-term'>Load Flow Model</u></div>

<div data-id="5-5.3-5.3.1" style="margin-left: 3em">5.3.1 Circuit 1-2</div>

<div data-id="5-5.3-5.3.2" style="margin-left: 3em">5.3.2 Circuit 1-3</div>

<div data-id="5-5.3-5.3.3" style="margin-left: 3em">5.3.3 Circuit 2-3</div>

<div data-id="5-5.3" style="margin-left: 2em">5.3 STEP 3: Determine flow-injections sensitivity factors and compute TLFs</div>

<div data-id="5" style="margin-left: 1em">5 Appendix 2 - Illustrative Example</div>

CONTENTS

Load Flow Model Specification for the Calculation of Nodal Transmission Loss Factors V4.0