Highlights from the REC Party Engagement Day

What we covered We shared updates on the major topics shaping the Retail Energy Code (REC) and created space for practical discussion and connection. Presentations explored: Code Management Services: how we support REC Parties through our engagement channels, including our Operational Account Managers (OAMs), and an overview of change development from the Change & Release […]
Successful delivery of REC Changes to support MHHS go-live

This marks the culmination of more than three years of collaboration with the MHHS Programme and industry colleagues. We’ve made sure Retail Energy Code (REC) systems, processes, and governance are ready to underpin this fundamental market reform. What we’ve delivered M8: Code & Central Systems Readiness Implemented REC Changes Updated Category 3 products and guidance […]
Board Highlights: August 2025

The RECCo Board met in August 2025, chaired by Hannah Dixon, to review progress and discuss key priorities as RECCo delivers its 2025–28 Forward Work Plan. This summary captures the main updates and decisions from the meeting.
Webinar recap: Electricity Enquiry Services Portal demo for Market-wide Half Hourly Settlement

Understanding the bigger picture: What is MHHS? Market-wide Half Hourly Settlement (MHHS) is a major reform stemming from Ofgem’s Significant Code Review (SCR), designed to modernise electricity settlement. It introduces the Target Operating Model (TOM), which restructures market roles, enhances data processing, and mandates industry-wide compliance to support Great Britain’s transition to a smarter, low-carbon […]
REC MHHS training event: insights and next steps

Insights from our speakers To help participants navigate the changes ahead, we brought together industry experts who each covered a key element of the MHHS transition. Through a series of insightful presentations and discussions, our speakers provided valuable guidance on REC impacts, code drafting, performance assurance and qualification, change management, and operational readiness. Missed the […]
Ofgem approves changes to the Retail Energy Code to make Market-Wide Half-Hourly Settlement possible

We are delighted that Ofgem has formally approved REC Change Proposal R0209, a pivotal step towards implementing Market-Wide Half-Hourly Settlement (MHHS) in 2025. This milestone marks the culmination of over two years of extensive work between Code Bodies, the MHHS Programme and industry stakeholders and introduces significant changes to the Retail Energy Code (REC). At […]
Introducing the Electricity Enquiry Service (EES) API Sandbox: Preparing for Market-wide Half Hourly Settlement (MHHS)

The Electricity Enquiry Service (EES) is undergoing important changes as part of the implementation of Market-wide Half Hourly Settlement (MHHS), and these changes will affect all EES users. To help organisations prepare for these updates, a dedicated MHHS EES API Sandbox has been created. This sandbox environment is now available to all users, with access keys […]
Event postponed – Come and speak with us: Countdown to Market-Wide Half-Hourly Settlement

Note: This event has been postponed The MHHS Programme has submitted Change Request CR-055, which proposes postponing the MHHS go-live date from March to August 2025. As a decision on CR-055 is not expected by 13th November, there will still be uncertainty regarding key programme milestones at that time. Due to this, we have decided […]
Get Involved: Test the New Market-Wide Half-Hourly Settlement EES API

The upcoming Market-Wide Half-Hourly Settlement (MHHS) programme introduces significant changes to the Electricity Enquiry Service (EES), and we need your help to ensure a seamless transition. Starting October 31st, 2024, a test version of the updated EES API will be available to all users. This is your opportunity to explore the new Portal and API, […]
Webinar round-up: Countdown to Market-Wide Half-Hourly Settlement

On July 18th, 2024, we hosted a webinar for all REC Parties to explain the significant changes that Market-Wide Half Hourly Settlement will bring to REC arrangements. The webinar also covered the tasks REC Parties must complete over the next nine months to ensure REC compliance at MHHS go-live. We want to extend our gratitude […]