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A to Z
  • About us
    • About Xoserve
    • Our role and customers
      What we do and who we work with
    • Our case studies
      Explore how we underpin the smooth and reliable operation of the GB gas industry
    • Information for gas consumers
      Advice for gas consumers and who to contact for help
    • Supplying services to Xoserve
      Become an approved supplier, submitting invoices, our code of conduct
    • Careers at Xoserve
      Explore a career with us and view our latest vacancies
    • Governance & Leadership
    • How we are governed
      Information about how we are funded, governed and owned
    • Xoserve Board
      Steering the company strategically, ensuring strong governance and accountability
    • Xoserve Leadership Team
      Proven leaders united by a collective passion for serving customers
    • Strategy & Development
    • Vision and strategy
      Our vision for the future, strategic direction and objectives
    • Digitalisation strategy
      Aligning regulation, data and delivery across our data services offering
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    • Business plan
      How we plan our budgets with customers, view our latest plan
    • Annual review
      Get an update on our progress over the last financial year
  • Products & services
    • Market entry/exit
    • Join/exit the gas market
      Apply to participate in the gas market and the process for exiting
    • Market participant data
    • Market Domain Data (MDD)
      Understand the market participant process, download the MDD document
    • Energy Identification Codes (EIC)
      Apply for your unique ID in the EU Internal Energy Market (IEM)
    • Data services
    • Access to our data services
      Connecting you to all our digital data services from one location
    • UK Link System
      Connecting complex industry systems and accessing secure documents
    • Contact Management Service (CMS)
      An online business-to-business service for managing contacts
    • Gemini System
      A suite of online applications for managing the transport of gas
    • Data Discovery Platform (DDP)
      Data visualisations for actionable insight
    •  
    • Gas Enquiry Service (GES)
      An online service for accessing details about supply meter points
    • Information Exchange (IX)
      A secure means of exchanging files
    • SwitchStream
      An online tool to make new switching easier
    • Gas APIs
      API services available to a range of customers
    • Service enhancements
    • Service Enhancements Programme
      Enhancing and optimising the customer and user experience across our service estate
  • DSC support
    • Data Services Contracts (DSC)
    • DSC customer support
      Update or make changes to your DSC contract, register or change your LSO
    • DSC extra services
      Request specific or additional services under your DSC contract
    • DSC support
    • Customer Support team
      Information on our Customer Support team and their constituency sessions
  • Change
    • Gas change
    • How we manage change
      How we facilitate industry change, funding, view ChMC Change Budget
    • Change forums
      Information about change forums
    • Change common queries
      Questions that we regularly get asked about change
    • Customer changes
    • Customer change register
      View the progress of customer change proposals
    • Change packs
      Consulting on customer and industry change
    • Submit a change proposal
      The application process for submitting a customer Change Proposal
    • UK Link releases
      View the previous and current changes we’re making to UK Link
    • Gemini changes overview
      An overview of all the current Gemini changes
    • Key projects
    • Project Trident
      Modernising UK Link to future-proof the gas markets data infrastructure
    • Service Enhancements Programme
      Enhancing and optimising the customer and user experience across our service estate
    • GRDA REC change
    • REC consultation responses
      Retail Energy Code consultation responses, provided by Xoserve as the Gas Retail Data Agent
  • Decarbonisation
    • Decarbonising gas
    • Decarbonisation Knowledge Centre
      How we’re helping to facilitate the decarbonisation of gas
    • DeliveringDecarb
      Our monthly newsletter covering all things decarbonisation
    • Decarbonisation forums
      Explore and register for one or more of our decarbonisation forums
    • Decarbonisation projects
    • H100 Fife
      A groundbreaking green hydrogen project led by SGN
    • Managing Different Gases
      Exploring CDSP system impacts posed by decarbonisation scenarios
    • Project Girvan
      Enabling non-propanated biomethane injection on part of the SGN network
    • Real Time Settlement Methodology
      A project to establish a fair, practical, and flexible billing system
    • Decarbonisation pillars
    • Hydrogen
      Learn all about how hydrogen can decarbonise the UK's energy system
    • Biomethane
      A renewable gas that can help decarbonise the natural gas grid
    • Blending gas
      Mixing low-carbon gases such as hydrogen or biomethane with natural gas
    • Carbon capture and storage
      Capturing industrial CO2 before it reaches the atmosphere
    • The future of gas
      Learn about what the future of gas could look like in the UK
  • News & updates
    • News & updates
    • News
      The latest industry news from Xoserve
    • Events calendar
      Manage your diary with our annual events calendar
    • Live updates
      View the latest notifications and status of industry issues
    • Planned outages
      Our systems maintenance windows and outages
    •  
    • Issues Register
      View the status of issues raised by customers
  • Learning Hub
    • Training & e-learning
    • Learning Hub
      The central location for all your training needs.
    • Gemini Learning Management System
      Get the best from Gemini with this range of e-learning materials
  • Help centre
    • Invoices
    • Invoice type, charges & VAT
      Check your invoice with our charging statement documents
    • Credit Risk & Neutrality
      Guidance on energy balancing and CDSP Credit Risk Management, neutrality and payment rules
    • File types and formats
      Get help with understanding the file formats in your invoice
    • Supporting information files
      How we use level 1 and 2 files to validate your invoice
    • Energy Price Guarantee (EPG)
      Information about how Xoserve is supporting the Energy Price Guarantee
    • Supply points & metering
    • Submitting reads
      How to submit reads, understand rejections and replacing a reading
    • Supply Point Administration (SPA)
      Get help with SPA tasks for Shippers, Suppliers, IGTs and DNOs
    • Annual Quantity (AQ)
      Find out your site’s AQ, how AQ is calculated, AQ correction process
    • M Number creation
      How to create an M Number (MPRN) for a live supply point
    • Non-Standard Sites
      Submission templates and response files for unique gas sites
    • Demand Attribution
    • Demand Estimation
      Demand Estimation parameters and the timetable for producing them
    • NDM Nominations and Allocations
      How we calculate NDM demand and the NDM Nomination Accuracy Report
    • Unidentified Gas (UIG)
      How it’s calculated and shared out, National UIG charts
    • Support
    • How can we help?
      View popular information, material and common queries about our services.
    • Raise a support request
      Have a process query or technical issue?
    • Check an existing support request
      Find out the status of an existing support request
    • Shipper and Supplier relationships
      Information and processes for Shippers and Suppliers, with regards to their commercial relationships
    • Contact
    • Address and directions
      Our office address and directions
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Events calendar

Key industry forums, events and Xoserve training delivery dates

  • Help and Support
  • Calendar
  • Customer Feedback
  • Modern Slavery Statement
  • Complaints

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