1. INTRODUCTION

1.1 Why does the BSC require a Baselining Methodology Document?

1.1.1 Balancing Mechanism

1.1.2 Wholesale Market

1.2 Scope of the Baselining Methodology Document

1.3 Main Users of the Baselining Methodology Document

2 ACRONYMS AND DEFINITIONS

2.1 List of Acronyms

2.2 List of Definitions

3 DETAILED REQUIREMENTS FOR CALCULATION OF MSID BASELINE VALUES

3.1 Inputs to the calculation

3.2 Outputs of the Calculation

3.3 Summary of Approved Baselining Methodologies

3.4 Baselining Methodology BL01

3.4.1 BL01 Step 1 – Identify historical days with metered data

3.4.2 BL01 Step 2 – Calculate Unadjusted Baseline Value

3.4.3 BL01 Step 3 – Calculate In Day Adjustment

3.4.3.1 In Day Adjustments for Settlement Days without Acceptances

3.4.4 BL01 Step 4 – Calculate Baseline Values

4 PROCESS FOR AMENDING THIS BASELINING METHODOLOGY DOCUMENT

APPENDIX A: DEFINITION OF EVENT DAYS