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October 2021 Industry Newsletter

Industry Newsletter

Welcome to the October Corona Energy Industry Newsletter.

Welcome to the Corona Energy Industry Newsletter.

At Corona Energy we believe in putting the Customer first.  We use our position as one of the largest non-domestic gas suppliers in the UK to voice your needs, views and concerns at key regulatory meetings. This can involve lobbying Ofgem, The Department for Business, Energy and Industrial Strategy (BEIS) and other regulatory bodies and industry parties to ensure you are represented and treated fairly.

As part of our service to you, this monthly newsletter will keep you informed of the latest developments in the world of energy regulation in a way that is informative, easy to read and useful to our Customers.

Monthly Roundup

What has been going on in the last few weeks?

Gas and Electricity
  • Various Supplier of Last Resort (SoLR) Events: We’ve sadly seen an additional number of domestic suppliers exit the market this month with their customers being assigned to other suppliers to protect their security of supply. The SoLR process ensures that no customers lose their energy supply if their Supplier ceases to trade. Further details on the SoLR process can be found here.




  • Shipperless Supplier UNC Modification: National Grid Gas (NGG) have raised UNC 0788 (Urgent): Minimising the market impacts of ‘Supplier Undertaking’ operations. This seeks to provide the ability for Shipperless Suppliers (Suppliers who are under a Deed of Undertaking following the termination of their Shipper) to utilise other existing Shipper relationships to source additional supplies of gas. This modification would essentially make it easier for a Supplier to appoint a new Shipper in the event of their existing Shipper exiting the market. Due to the current unstable nature of the gas market, Ofgem approved NGG’s request for urgency. However, upon the agreed UNC Panel meeting on 22 October 2021, NGG requested additional time for the modification as it had come to light that Xoserve would not be able to implement the solution in the proposed timeframe. A revised timetable has yet to be agreed, but the UNC Panel suggested taking the additional time to engage with impacted stakeholders to avoid additional delay.


  • Energy Balancing Arrangements for Shipperless Supplier UNC Modification: National Grid Gas (NGG) raised UNC 0789: Energy Balancing Arrangements During the Operation of a Supplier Undertaking to Transporters which seeks to introduce new arrangements to incentivise existing Shippers to deliver gas to the total system in light of Shipperless Suppliers operating in the market. Currently, if a Shipperless Supplier is operating, there is a deficit in the amount gas in the total system as they do not have a Shipper to deliver the gas to the system. This deficit is currently balanced by NGG inputting the difference into the system. This modification wants to place the reliance on balancing the deficit to the existing Shippers in the market as NGG feel that they have better access to a wider market to purchase gas. This potential modification has resulted in considerable concern as existing Shippers would need to pass these costs on to their Customers. As a result, it is expected that an Alternative Modification to 0789 will be raised, giving NGG access to those same markets and avoiding placing this requirement onto existing Shippers.
  • Market Wide Half Hourly Settlement (MHHS) Governance Modifications: As part of Elexon’s MHHS arrangements, a number of Change Proposals and Modifications have been raised with other electricity industry codes to align them with the MHHS governance structure. Earlier this month we saw the DCUSA, REC and CUSC Change Proposals directing National Grid ESO, REC Service Providers and DCUSA Ltd to collaborate with Elexon and the MHHS Programme approved.



What is the Smart Energy Code?

You may have heard the term ‘Smart Energy Code’ or ‘SEC’ being used in discussions around the industry. We thought we would provide a little detail around this topic.


The Smart Energy Code or ‘SEC’ is the name of an industry code (or ‘rulebook’) that has been in place since 2013. The SEC covers process and legal arrangements between energy industry parties (e.g. energy suppliers, energy network operators, metering agencies and other relevant parties) involved in the end to end management of smart metering in Great Britain.


What does this mean?

The SEC is unlikely to impact our customers on a day-to-day basis, as it is your Supplier, your Network Operator and their metering agents that will have to ensure that they are compliant with the processes held within the SEC. It is, however, useful to understand the importance of the SEC when it comes to your data, as this industry code ensures that your smart metering data is handled safely, securely and compliant with all data laws.

Further details about the SEC can be found on their website:

Energy Regulation Horizon for 2021

As you may be aware, 2021 is set to be another year of major reform in the world of energy. We have compiled the Top 4 items to watch out for this year.

  1. Market-Wide Half Hourly Settlement
    This industry project run by Elexon and Ofgem seeks to utilise the output of smart metering (half-hourly consumption data) to input more accurate data into Settlements in order to reduce reliance on forecasting. The estimated benefit of this project is c.£1.5-£4.5bn. The implementation of Market-Wide Half Hourly Settlement is expected in late 2024.
  2. Code Governance Reform
    The framework of the UK’s Energy rulebooks, called Industry Codes, is going through huge reform at the moment with the development of the Retail Energy Code (REC). The REC seeks to take complex industry processes from various industry codes and bring them together into a single, dual fuel code. This will make a more transparent repository of these key processes.  In this reform it is likely that Supplier obligations will change which might have an impact on our Customers. We will keep you informed if this is the case.
  3. Ofgem’s Targeted Charging Review (TCR)
    Ofgem are currently undertaking a Targeted Charging Review. This looks at how Networks apply their charging methodologies. This deals with the complex world of Network charging arrangements which are passed through to consumers via their Supplier. Tariffs and groupings have now been finalised by the networks, but the implementation date for these changes has now been pushed back to 2022.
  4. Demand and Microgeneration Management
    Demand Side Response (DSR) and peer-to-peer trading means that we are heading towards a world where you can purchase your energy from your peers. These peers are people in your local area of the grid who are generating with small turbines or solar panels. Whilst this cannot currently be utilised within the UK due to existing networks and associated regulations needing to catch up with innovations, but this will open up many opportunities in the future. If you are interested in DSR, we have articles on Battery Storage and the future of the network on our website.

About the Writer

This newsletter was written by Dan Fittock, Corona Energy’s Regulation and Compliance Manager. If you have any questions about the content of this newsletter you can contact Dan at



Disclaimer: The information provided in this newsletter is intended to be a general guide and should not be taken to be legal and/or regulatory advice. At no time will Corona Energy actually or be deemed to be providing advice and no actions taken by Corona Energy shall constitute advice to take any particular action or non-action. Whilst every effort is made to provide accurate and complete information in this newsletter, Corona Energy cannot guarantee that there will not be any errors. Corona Energy makes no claims, promises or guarantees about the accuracy, completeness, or adequacy of the contents of the newsletters and expressly disclaims liability for errors and omissions in the contents of this newsletter. Neither Corona Energy, nor its employees and contractors make any warranty, expressed or implied or statutory, including but not limited to the warranties of non-infringement of third party rights, title, and the warranties of merchantability and fitness for a particular purpose with respect to content available from the newsletters. Neither does Corona Energy assume any legal liability for any direct, indirect or any other loss or damage of any kind for the accuracy, completeness, or usefulness of any information, product, or process disclosed herein, and do not represent that use of such information, product, or process would not infringe on privately owned rights.


Copyright Statement: All content within the Corona Energy newsletter are the property of Corona Energy unless otherwise stated. All rights reserved. No part of the newsletters may be reproduced, transmitted or copied in any form or by any means without the prior written consent of Corona Energy.



About the Writer

This newsletter was written by Dan Fittock, Corona Energy’s Regulation and Compliance Manager. If you have any questions about the content of this newsletter you can contact Dan by clicking the button below.

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