CMOS

The Central Market Operating System (CMOS) is the core IT system for the non-household market. CMOS manages all the electronic transactions involved in switching customers and provides water usage and settlement data. MOSL, in partnership with CGI, are continually working to improve CMOS operations. Here you’ll find MOSL’s release plans, outlining future functionality.

CMOS – Next Release

CMOS – Current Release

CMOS 15 Release Notes

13/05/2024

Error Codes - 15.0.1.1

01/05/2024

CMOS Maintenance Schedule 2024-2025

09/04/2024

CMOS Release Schedule 2024-2025

13/03/2024

CMOS – Previous Release

Tariff Data Upload Guidance 2024 - 2025

31/01/2024

CMOS 14.5 Release Notes

14/11/2023

Error Codes - 14(5).0.1.0

02/08/2023

Data Management

Data Assurance Service Glossary of Terms - May 2024

04/06/2024

DQA guidance document - May 2024

04/06/2024

Maximum number of transactions to be submitted into CMOS

14/11/2023

Staff Data Protection Training Policy

14/04/2021

Defect Management

ALM Observations (Defect Log)

14/04/2021

CMOS Administration

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USR SPID/SC template

OPS Data Submission User Guide

OPS Data Submission Form Template

Tariff Timetable

Tariff Data Upload Guidance 2023-2024

MVI Batch Template

Guidance for Final meter read following Change of Use

SPID Flows Tradability

Recreating Supply Points Following Erroneous Deregistration

Non-Code Change (NCC) Request Guidance

NCC Change Request Template

FTP Reporting Login Instructions

Agreement Management (Wholesale) Guidance Note

MO Portal User Guide

CMOS, MO Portal and Bilaterals hub Access Proforma

CMOS Training Videos

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CMOS General Training

Reporting Overview

CMOS Training Documents

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CMOS 15.0 Retailer User Manual

CMOS 15.0 Wholesaler User Manual

Viewing and Creating Agreements in CMOS

Reporting Training Student Workbook

Reporting Training Presentation slides

Reporting Training Course Schedule

Remedy Service Management Interface

CMOS 3.0 Reporting User Manual

Content Outline Interface (Wholesale)

Content Outline Interface (Retail)

MOSL Guidance

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My MOSL Late Payment Guidance

My MOSL User Admin guidance

My MOSL - Gap Site Guidance

QMS Generic Queries User Guide

Submitting an General Query Request

MOSL Partner Account Guide

Submitting an Unplanned Settlement Run Request

Related pages

Non-code change requests

View CMOS-impacting change requests here.

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Operations and Release Working Group (ORWG)

The latest outputs from the ORWG.

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CMOS – Release archive

CMOS 12.0 Release Note Final

12/10/2023

CMOS 14 Release Note

02/06/2023

Error Codes - 14.0.2.1

19/05/2023

XSDs for CMOS Release 14.0

25/01/2023

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