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C16 statements and consultations

We are required to establish statements and guidelines in accordance with special condition C16 of the statements of the transmission licence. On this page you will find all C16-related documents, including consultations.  

NGESO C16 2020 Statement Letter

Please find a letter below detailing the decision on the C16 statements for 2020 and the next steps NGESO will be taking

Name
C16 Letter to industry regarding 2020 statements

Latest statements

These are the latest versions of C16-related statements and guidelines.

Procurement guidelines

PublishedName
Procurement Guidelines effective from 1st April 2019 (Still in place from April 2020 until further consultation is complete)
Procurement guidelines report 2017-18
Procurement Guidelines v16 Effective April 2018
Procurement guidelines report 2014-15
Procurement guidelines report 2015-16
Procurement guidelines effective from 1 April 2017
Procurement guidelines report 2016-17

Balancing services adjustment data (BSAD)

Name
BSAD Methodology Statement Effective from April 2020
BSAD Methodology Statement effective from 1st April 2019
BSAD Methodology Statement v14 Effective from 1 April 2017
BSAD Methodology Statement v15 Effective April 2018

Balancing principles statement

PublishedName
Balancing Principles Statement Effective from April 2020
BPS Statement effective from 1st April 2019
Balancing Principles Statement v16 Effective 1 April 2018
Balancing Principles Statement effective from 1 April 2017

Balancing principles statement report

By accessing these reports, you are agreeing to our terms and conditions.

PublishedName
Supplement to the Balancing Principles Statement Report 2017-18
Supplement to the Balancing Principles Statement Report 2016-17
Balancing Principles Statement Report 2016-17
Balancing Principles Statement Report 2015-16
Balancing Principles Statement Report 2014-15
Supplement to the Balancing Principles Statement Report 2015-16
Balancing Principles Statement Report 2012-13
Balancing Priciples Statement Report 2013-14
Supplement to the Balancing Principles Statement Report 2014-15
Supplement to Balancing Principles Statement report September 2014
Supplement to Balancing Principles Statement report September 2013

System management action flagging

Name
SMAF Methodology Statement Effective from April 2020
SMAF Methodology Statement effective from 1st April 2019
SMAF Methodology Statement v9 Effective from 1 April 2017
Flagging Accuracy Report May 2012 - April 2013
SMAF Methodology Statement v10 Effective April 2018

System management action flagging (SMAF) report

PublishedName
SMAF Flagging Accuracy Report 2018-19
SMAF Flagging Accuracy Report 2017-18
P217 Flagging Accuracy report - 2013-14
SMAF Flagging Accuracy Report 2014-15
Flagging Accuracy Report May 2012 - April 2013
SMAF Flagging Accuracy Report 2016-17
SMAF Flagging Accuracy Report 2015-16
SMAF Flagging Accuracy Report 2011-12
SMAF Flagging Accuracy Report 2012-13
SMAF Flagging Accuracy Report 2010-11

Applicable balancing services volume data (ABSVD)

Name
ABSVD Methodology Statement effective from April 2020
ABSVD Methodology Statement effective from April 2019
ABSVD Methodology Statement v7_0 Effective from 1 April 2017
ABSVD Methodology Statement v8 Effective April 2018

C16 consultations

On an annual basis, we undertake consultations in respect of the C16 statements.

C16 Procurement Guidelines Consultation 2020

Name
Feedback Proforma C16 Procurement Guidelines Consultation 2020
Procurement Guidelines 2020 track changed for consultation
Consultation Document C16 Procurement Guidelines 2020

2019-2020 C16 Consultation

Name
C16 19-20 Early Consultation Document (Consultation Now Closed)
C16 19-20 Early Consultation Form (Consultation Now Closed)
ABSVD Methodology Statement Track Changed 2020-21
Balancing Principle Statement Track Changed 2020-21
BSAD Methodology Statement Track Changed 2020-21
SMAF Methodology Statement Track Changed 2020-21
Procurement Guidelines Track Changed 2020-21
C16 Consultation Proforma Official Consultation (Consultation is now closed))
C16 Official Consultation 19-20 (Consultation is now closed))
Methodology for GB Commercial Arrangements relating to Interconnector Capacity Calculation
Responses to the comments in relation to the consultation on Interconnector Capacity Calculation
C16 Report to Authority for 2020

C16 Presentation 19-20

Name
C16 Industry Form 5th November slide show

Past C16 consultations

2017-18

Name
ABSVD Appendix A ABSVD Tracked Changes
ABSVD Appendix B Response Proforma
ABSVD consultation 2017-18
ABSVD Report to Authority Appendix A tracked change methodology
ABSVD Report to Authority Appendix B Consultation document
ABSVD Report to Authority Appendix C Consultation comments and responses
ABSVD Report to Authority Appendix D ADE response
ABSVD Report to Authority Appendix D EDF response
ABSVD Report to Authority Appendix D Elexon response
ABSVD Report to Authority Appendix D Engie response
ABSVD Report to Authority Appendix D ENW response
ABSVD Report to Authority Appendix D FGG response
ABSVD Report to Authority Appendix D Npower response
ABSVD Report to Authority Appendix D Smartest response
Appendix A BSAD tracked changes
Appendix B PG tracked changes
Appendix C SMAF tracked changes
Appendix D BPS tracked changes
Appendix E Response Proforma
C16 2018 Report to Authority Appendix A BSAD methodology tracked

Consultation 18-19

Name
Report to authority inclusive of all consultation responses 2018-19
Appendix A Procurement Guidelines final track changed 18-19
Appendix B BPS final track changed 18-19
Appendix C BSAD final track changed 18-19
Appendix D SMAF final track changed 18-19
Appendix E ABSVD final track changed 18-19
Appendix F Response Proforma
C16 2018-19 Consultation Document

2017 ABSVD Informal

PublishedName
ABSVD informal consultation summary and response
ABSVD informal consultation responses non-confidential
Annex A - ABSVD methodology tracked
Annex B - Draft NG Business Requirements
ABSVD Informal Consultation November 2017
Annex C - Response Proforma

2016-17

PublishedName
APPENDIX D Change Marked SMAF Effective from 1 April 2017
APPENDIX A Change Marked ABSVD from 1 April 2017
APPENDIX D-SMAF
APPENDIX B-BSAD
APPENDIX G Uniper Response
APPENDIX F Consultation Document 1617
APPENDIX C Change Marked Procurement Guidelines Effective from 1 April 2017
APPENDIX E-BPS
APPENDIX A-ABSVD
APPENDIX G UKPR Response
APPENDIX E Change Marked BPS Effective from 1 April 2017
APPENDIX B Change Marked BSAD Effective from 1 April 2017
C16-CONSULTATION-1617-v1 0
APPENDIX C-PG
APPENDIX F - RESPONSE PROFORMA
C16 Annual Changes Report to Authority 1617
APPENDIX G Drax Response
APPENDIX G ENGIE Response

2015-16

PublishedName
C16-CONSULTATION-1516-v2 0
APPENDIX G - Industry Responses
APPENDIX D-SMAF(1)
APPENDIX A-ABSVD(1)
APPENDIX B-BSAD
APPENDIX A-ABSVD
APPENDIX I-SMAF Revised
APPENDIX F-C16-CONSULTATION-1516-v2 0
APPENDIX C-PG(1)
RTA-C16-ANNUAL-CONSULTATION-1516_FINAL
APPENDIX C-PG
APPENDIX E-BPS
APPENDIX H-PG-Revised
APPENDIX E-BPS(1)
APPENDIX B-BSAD(1)
Appendix F - Response Proforma
APPENDIX D-SMAF

2014-15

PublishedName
Open Letter - proposals for NBS treatment in cashout
APPENDIX B - SMAF
APPENDIX B - SMAF_Post Consultation Change Marked
APPENDIX D - Consultation Document
SBR clarification letter_301015_final
New Balancing Services Open Letter 14.07.14
APPENDIX-B-RESPONSE-PROFORMA-1415
APPENDIX D - RESPONSE PROFORMA
APPENDIX A - BSAD
APPENDIX A - BSAD_Post Consultation Change Marked
APPENDIX C - BPS_Post Consultation Change Marked
NBS Pricing Decision Letter_v1_0
C16-CONSULTATION-1415-v1_0
APPENDIX C - BPS
C16-INTERIM-CONSULTATION-2015
APPENDIX E - Industry Responses
RTA-C16-INTERIM-CONSULTATION-2015
Post ETR consultation Report 07 March 2014
APPENDIX-A-BSAD-V10_0-1415

2013-14

PublishedName
APPENDIX-H-BPS-V12_0 October 13
APPENDIX-L-SMAF-V4_0 October 13
C16-RTA-INTERIM-2013-FINAL
RTA-APP-B-1-COMBINED
RTA-APP-E-RESPONSES-COMBINED
RTA-APP-H-3-COMBINED
APPENDIX-E-RESPONSE-PROFORMA
APPENDIX-B-BSAD-V9_0
APPENDIX-B-BSAD-V8_0 October 13
APPENDIX-F-BSAD-V8_0 October 13
APPENDIX-J-BSAD-V8_0 October 13
C-16-DSBR-SBR-CONSULTATION-2013
C16-RTA-INTERIM-2013-FINAL(1)
RTA-APP-C-2-COMBINED
RTA-APP-F-1-COMBINED_201113
Annex 1 - Response Proforma
APPENDIX-D-SMAF-V5_0
APPENDIX-A-ABSVD-v5_0
APPENDIX-C-PG-V12_0 October 13
APPENDIX-G-PG-V12_0 October 13

2012-13

PublishedName
C16 Appendix D PGs
C16 Consultation Dec 2012
Open Letter - BELLA Participation in the BM
C16 Appendix A ABSVD
C16 Appendix A SMAF
C16 Consultation Report Annexes
C16 Appendix E SMAF
B12 Formalising two shifting limit and other parameters
C16 Appendix C BSAD
Appendix F - Response Proforma
C16 Consultation Report
NGET Response - BELLA Participation in the BM
C16 Appendix B BPS

2011-12

PublishedName
Appendix G BPS
C16 - Appendix J BSAD
Appendix B - Consultation Questions
Managing Intermittent and Inflexible Generation in the Balancing Mechanism Consultation
Appendix H PGs
Consultation Report
Consultation on loss of access compensation proforma
Managing intermittent and inflexible generation in the Balancing Mechanism Response Proforma
Appendix I ABSVD
C16 Consultation
Consultation on loss of access compensation

2010-11

PublishedName
C16 Consultation
Appendix B PGs
Consultation
Appendix C ABSVD
14 Appendix E
Appendix A BPS
Appendix D BSAD

2009-10

PublishedName
C16 BPS Appendix A - 'cat5'
C16 PG Appendix A - 'cat 5'
C16 Authority Report - Appendix E
Consultation - P217A and Review
SMAF - Appendix F
C16 Authority Report - Appendix G
C16 Consultation document - 16 January 2009
Appendix E BPS plus plain english changes
C16 Appendix C PGs technical changes
C16 Consultation Document - 16 January 2009
C16 Authority Report - Appendix F
Appendix E - BSAD P217A and Review changes
C16 BPS Consultation - 'cat5'
C16 Authority Report - Appendix A
TRACC paper
Excel spreadsheet for Cat5 worked examples
SMAF - Appendix D
Worked examples for cat5 intertrip service
C16 Consultation document - 16 January 2009 (1)
BSAD - Appendix E