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Live updates
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UIG allocation issue
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Live updates
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UIG allocation issue
About us
About Xoserve
Our role and customers
What we do, who we work with and how we're funded
Information for gas consumers
Advice for gas consumers and who to contact for help
Vision and strategy
Our vision for the future, strategic direction and objectives
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
Customer Support team
Information on our Customer Support team and their constituency sessions
Supplying services to Xoserve
Become an approved supplier, submitting invoices, our code of conduct
Executive Team
Steve Brittan
Chief Executive Officer
Clive Nicholas
Director of Strategy and Development
James Spicer
Director of Finance and Shared Services
Dave Turpin
Director of Programmes and Service Delivery
Careers
Why join Xoserve
Enthusiasm, ideas, ambition? Explore a career with us
Vacancies
View our latest vacancies
Products & services
Market entry/exit
Join/exit the gas market
Apply to participate in the gas market and the process for exiting
Data services
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
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)
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
Change
Gas change
How we manage change
How we facilitate industry change, funding, view ChMC Change Budget
Change forums
Information about change forums
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
Our project to modernise UK Link and future-proof the gas markets data infrastructure
Gemini Sustain Plus
National Gas Transmission, Xoserve and Correla, are modernising and enhancing the Gemini platform
Contact Management Service (CMS) rebuild
Rebuilding our CMS platform to provide a better user experience for our customers
Decarbonisation knowledge centre
How we're helping to facilitate the decarbonisation of gas
Decarbonisation
Decarbonising gas
Decarbonisation knowledge centre
How we’re helping to facilitate the decarbonisation of gas
News & updates
News and 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
System outages
Our systems maintenance windows and outages
Issues Register
View the status of issues raised by customers
Let's Gas About...
A series of insights, looking at last month's facts, figures and trends
Learning hub
Training and e-learning
Learning Hub
The central location for all your training needs.
Product e-learning
Gemini e-learning
Get the best from Gemini with this range of e-learning materials
DDP Shippers e-learning
Make the most of DDP with this e-learning for Shippers
DDP Networks e-learning
Make the most of DDP with this e-learning for Network Operators
Information Exchange (IX) e-learning
E-learning explaining how to set up and use IX
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
Home
Raise a new support request
Reason of query
What is your reason for getting in touch today?
A technical issue
e.g. UK Link, Gemini, Contact Management System (CMS), Gas Enquiry Service (GES), Data Discovery Platform (DDP), SwitchStream, password resets, access issues, etc
All other queries
e.g. Annual Quantity, Reads, SPA, Invoicing, Contact Management Services (CMS) business processes, Hydrogen etc...
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What is your query about?
AQ - Annual Quantity
Reads
RGMA - Review of Gas Metering Arrangements
SPA - Supply Point Administration
Invoicing
Non-Standard Sites
Joining or leaving the gas market
Contact management processes
Other
Incl. Unidentified Gas (UIG), Demand Estimation, NDM Allocation, Hydrogen
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