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Operational Transparency Forum

Breadcrumb

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  • Electricity National Control Centre
The ENCC explained
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  • What does the ENCC do?
  • What is the Balancing Mechanism?
  • How does the ENCC handle severe weather?
  • What does a day in the ENCC look like?
Related pages
  • Operational Transparency Forum
  • Electricity explained
  • Net zero explained

Every Wednesday, we hold an open technical industry forum to discuss recent operational actions we have taken in the Electricity National Control Centre (ENCC) and answer any questions.

We aim to be transparent around our ENCC operation and actions to give industry partners recent and relevant insight that might aid their own operations.

Our weekly Operational Transparency Forum (OTF) is where experts from the ESO review the previous week’s activities, provide an update on recent events and hold a live question and answer session focusing on ENCC operations and activities.

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Register for the Operational Transparency Forum

Register to receive weekly reminders for this webinar, which takes place at 11am every Wednesday.

Register online

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Watch the latest Operational Transparency Forum

Weekly forum

Please join us every Wednesday at 11am for an opportunity to ask questions to our National Control panel.

Missed the event? Don’t worry, all recordings and slides are provided on this webpage for download. Slides are also uploaded before the event starts to prompt questions and allow you to better follow the content.

Download the latest slides
Latest20222021Deep dive topic dates

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01 Feb 2023

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18 Jan 2023

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11 Jan 2023

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04 Jan 2023

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2022

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21 Dec 2022

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14 Dec 2022

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07 Dec 2022

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05 Dec 2022

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30 Nov 2022

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23 Nov 2022

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16 Nov 2022

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09 Nov 2022

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02 Nov 2022

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26 Oct 2022

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19 Oct 2022

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31 Aug 2022

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22 Dec 21

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Deep dive topic dates

Deep-dive topic

OTF date

Carbon intensity 

27-Oct-21

Trading

01-Dec-21

Capacity Market Notice (CMN)

08-Dec-21

Demand forecasting methodology

12-Jan-22

SO-SO Trades

12-Jan-22

BSUoS Forecasting

19-Jan-22

Balancing Services Adjustment Data (BSAD)

16-Feb-22

SO-SO Trades – application in practice

16-Feb-22

Sterilised Headroom Overview

23-Feb-22

Optimising Constraints in real-time

02-Mar-22

Local constraint market B6

09-Mar-22

Manifest Error Process

09-Mar-22

MZT & MNZT

30-Mar-22

Optimising voltage constraints in real-time

13-Apr-22

Optimising inertia/RoCoF constraints in real-time

11-May-22

Demand Control via Voltage Reduction tests

03-Aug-22

Capacity Market Notices (CMN) #2

17-Aug-22

Winter Contingency Contracts (Coal Contracts)

17-Aug-22

Frequency Risk and Control Report (FRCR )

20-Oct-22

Transmission Network before Real Time

20-Oct-22

Forum archive

202020192018201720162015201420132012

2020

Published Sort ascending Name
12 Nov 2020Useful Links for your information
12 Nov 2020Electricity Operational Forum - Recording of the event - 11 Nov 2020
12 Nov 2020Electricity Operational Forum - presentation package - 11 Nov 2020
11 Nov 2020Electricity Operational Forum - Questions and Answers
10 Nov 2020Agenda Electricity Operational Forum - 11 November 2020
5

2019

Published Sort ascending Name
24 Oct 2019Agenda Electricity Operational Forum 23 October 2019
23 Oct 2019Electricity Operational Forum - presentation package - Oct 2019 EXT
12 Jul 2019Platform for Ancillary Services (PAS) Update
12 Jul 2019Balancing Services Use of System (BSUoS) update
12 Jul 2019Operability Strategy Report
12 Jul 2019Control Room - Difficult Day Analysis
1 Jul 2019Agenda Electricity Operational Forum 01 July 2019
27 Mar 2019Forward Plan for Balancing Services
27 Mar 2019Control Room - Difficult Day Analysis
27 Mar 2019Operability
27 Mar 2019Summer Outlook
27 Mar 2019Balancing Services Use of System (BSUoS) update
21 Mar 2019Agenda Electricity Operational Forum 26 March 2019
13

2018

Published Sort ascending Name
16 Oct 2018Electricity System Operator (ESO) Incentives Industry Update
16 Oct 2018Balancing Services Use of System (BSUoS) update
16 Oct 2018Winter Outlook
16 Oct 2018Coming soon ...
16 Oct 2018Weekend Review
11 Oct 2018Electricity Operational Forum Agenda 15 October 2018
5 Jul 2018Product Roadmap for Reactive Power
5 Jul 2018Balancing Services Use of System (BSUoS) update
5 Jul 2018Constraints and Voltage
5 Jul 2018Vector Shift
26 Jun 2018Electricity Operational Forum Agenda 4 July 2018
25 Apr 2018Transparency Update - Trading and Tendered Services
25 Apr 2018New Incentive Arrangements
25 Apr 2018System Cost Update and Balancing Services Use of System (BSUoS) update
25 Apr 2018Agenda Electricity Operational Forum 24 April 2018
25 Apr 2018Summer Outlook
25 Apr 2018Industry Update
17

2017

Published Sort ascending Name
20 Oct 2017Tendering with National Grid
20 Oct 2017On the day decisions in the Control Room
20 Oct 2017Industry Updates
20 Oct 2017Indexed Contracts with National Grid
20 Oct 2017Balancing Services Use of System (BSUoS)
20 Oct 2017System Needs and Product Strategy
20 Oct 2017Trading with National Grid
20 Oct 2017Winter Outlook
16 Oct 2017Agenda Electricity Operational Forum 19 October 2017
25 Aug 2017System Cost Update and Balancing Services Use of System (BSUos) Forecasting
22 Jun 2017System Operation (Part 1) - The fundamental interconnectedness of all things
22 Jun 2017System Cost Update and Balancing Services Use of System (BSUoS) Forecasting
22 Jun 2017System Operation (Part 2) - Anatomy of a Day
22 Jun 2017System Needs and Product Strategy
22 Jun 2017General Industry Updates
20 Jun 2017Agenda Electricity Operational Forum 21 June 2017
30 Mar 2017Visibility of Actions: Trading
30 Mar 2017System Needs and Product Strategy
30 Mar 2017General Industry Update
30 Mar 2017Visibility of Actions: Forecasting

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22

2016

Published Sort ascending Name
20 Oct 2016Agenda Electricity Operational Forum 19 October 2016
20 Oct 2016Market Flexibility
20 Oct 2016Enhanced Frequency Response (EFR)
20 Oct 2016System Cost Update and Balancing Services Use of System (BSUoS) Forecasting
20 Oct 20162016-17 Winter Outlook Report
20 Oct 2016Summer Operability
20 Oct 2016Electricity Balancing System (EBS) Update
29 Sep 2016National Grid Winter Preparation Overview
29 Sep 2016Capacity Market Notice Process
29 Sep 2016Electricity Margin Notice Overview
29 Sep 2016Met Office Link - re: contigency planning
29 Sep 2016Supplemental Balancing Reserve
27 Sep 2016Special Electricity Operational Forum - 28 September 2016 - Agenda
30 Jun 2016System Cost Update and Balancing Services Use of System (BSUoS) Forecasting
30 Jun 2016Summer Operability Case Study
30 Jun 2016Review of Winter 2015-16
30 Jun 2016Notification of Insufficient System Margin (NISM) overview
30 Jun 2016Electricity Balancing System (EBS) update
30 Jun 2016Look Ahead to Winter 2016-17 and Winter Case Study - Long Notice Supplemental Balancing Reserve (SBR)
30 Jun 2016Summer Outlook 2016

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2015

Published Sort ascending Name
15 Oct 2015Balancing Service Developments / Procurement Update
15 Oct 2015Agenda Electricity Ops Forum 19 October 2015
15 Oct 2015Supplemental Balancing Reserve (SBR) and Demand Side Balancing Reserve (DSBR) Service Update
15 Oct 2015Power Responsive Update
15 Oct 2015System Cost Update and Balancing Services Use of System (BSUoS) Forecasting
15 Oct 2015Summer Review and Demand Forecasting Update
15 Oct 2015System Operability Framework (SOF) 2015
15 Oct 2015Winter 2015/16 Outlook
23 Jun 2015Demand Side Response - Power Responsive (conference held 18 June 2015)
18 Jun 2015Summer Outlook, System Cost Update and Balancing Services Use of System (BSUoS) Forecasting
18 Jun 2015Balancing Services Developments / Tender Procurement Update
18 Jun 2015Summer Operation and Low Demand System Warnings
18 Jun 2015Supplemental Balancing Reserve (SBR) and Demand Side Balancing Reserve (DSBR) Service Update
18 Jun 2015Special Operational Forum - Balancing the System on Difficult Days
18 Jun 2015Agenda Electricity Ops Forum 22 June 2015
18 Jun 2015Balancing Services Use of System (BSUoS) Stability
18 Jun 2015Stakeholder Workshops
23 Mar 2015Agenda Electricity Operational Forum 18 March 2015
19 Mar 2015Balancing Services Developments
19 Mar 2015Electricity Balancing Significant Code Review Update

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2014

Published Sort ascending Name
16 Oct 2014Operational and System Cost Update and Balancing Services Use Of System (BSUoS) Forecasting
16 Oct 2014Winter Outlook
16 Oct 2014Demand Side Balancing Reserve (DSBR) and Supplemental Balancing Reserve (SBR) Update
16 Oct 2014System Operator (SO) Incentives
16 Oct 2014Tender Procurement Update
16 Oct 2014Short Term Operating Reserve (STOR) Runway
16 Oct 2014Embedded Generation Behaviours and Customer Demand Management
16 Oct 2014System Operability Framework (SOF) Update
16 Oct 2014Short Term Operating Reserve (STOR) Outline Change Proposal (OCP06)
13 Oct 2014Electricity Ops Forum - 15 October 2014 - Agenda
25 Jun 2014Tender Procurement Update
25 Jun 2014Demand Side Balancing Reserve (DSBR) Workshop
25 Jun 2014Balancing Services Incentive Scheme, Balancing Services Use of System and Future SO Incentives
25 Jun 2014Improved Photovoltaic (PV) and Embedded Forecasting
25 Jun 2014Useful Information
25 Jun 2014Summer Outlook
25 Jun 2014System Operability Assessment (SOF)
25 Jun 2014Agenda - 24 June 2014
3 Mar 2014Tender Procurement Update
3 Mar 2014Firm Frequency Response Service Developments

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2013

Published Sort ascending Name
14 Oct 2013Electricity Operational Forum – Wednesday 7 February 2007
14 Oct 2013Transmission Operational Forum Update - October 2013
26 Sep 2013European Balancing Code from 2014
26 Sep 2013Transmission Operational Forum Update - April 2013
26 Sep 2013System Operator Incentives Development Update
26 Sep 2013Summer Outlook
26 Sep 2013System Operator Cost Update - Balancing Services Use of System (BSUoS) Graph and Data
26 Sep 2013Frequency Management
26 Sep 2013Electricity Operational Forum – Wednesday 7 February 2007
26 Sep 2013Space Weather
26 Sep 2013Operational and System Operator Cost Update
26 Sep 2013Presentations from the Interim Electricity Operational Forum held on 26 June 2013
26 Sep 2013Electricity Operational Forum – Wednesday 7 February 2007
26 Sep 2013Operational and System Operator Cost Update
26 Sep 2013Frequency Management Update
26 Sep 2013System Operator Cost Update - Balancing Services Use of System (BSUoS) Graph and Data
26 Sep 2013Electricity Ten Year Statement
26 Sep 2013Useful Links from Operational Forum held on 10 April 2013
26 Sep 2013Transmission Operational Forum Update - June 2013
26 Sep 2013Transmission Operational Forum Update - February 2013

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2012

Published Sort ascending Name
30 Jan 201403 - Ops Forum - Summer Outlook
30 Jan 2014SO Incentives Current and Future
30 Jan 2014August 2012 - Industry News
30 Jan 201402 - Management of the GB System Overnight
30 Jan 201405 - Ops Forum - Special Actions
30 Jan 201402 - Ops Forum - Olympic Preparation
30 Jan 2014London 2012 Operational Experience
30 Jan 201404 - Future Energy Scenarios
30 Jan 201401 - Operational and SO Cost Update
30 Jan 201404 - Ops Forum - BSIS Update
30 Jan 2014GB Winter Outlook Consultation
30 Jan 2014Operational and SO Cost Update for August
30 Jan 201403 - Electricity Market Reform Update
29 Jan 201401 - SO Cost Update Operational Update
29 Jan 2014IS Developments Update
29 Jan 201403 - SYS Consultation
29 Jan 2014Audio_12 Apr 2012
29 Jan 201405 - SO Incentives
29 Jan 201402 - High System Voltage
29 Jan 2014Operational and SO Cost Update

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