Training and Guidance

We want to give you the tools to make it easier to operate in the non-household market. View our selection of videos, guidance documents and presentations below.

Market Training

If you are new to the water retail market, or simply want to find out more about it and our role as market operator, MOSL's market training will provide you with an overview of the market, the role of key stakeholders and more information about how the market functions, its governance and some of the key services we provide.

CMOS Administration

 /  View all

CMOS, MO Portal and Bilaterals hub Access Proforma

FTP automated reports folder structure

ITSM Browser Settings - Recommendations

MO Portal User Guide



MVI Template

CMOS Training Videos

 /  View all

CMOS General Training - Wholesaler

CMOS General Training - Retailer

Reporting Overview

CMOS Training Documents

 /  View all

CMOS 3.0 Reporting User Manual

Remedy Service Management Interface

Reporting Overview training slides

Reporting Training Course Schedule

Reporting Training Presentation slides

Reporting Training Student Workbook

CMOS 11.0 Wholesaler User Manual

CMOS 11.0 Retailer User Manual

MOSL Guidance

 /  View all

Agreement Management (Wholesale) Guidance Note

CMOS Privacy Notice Policy

FTP Reporting Login Instructions

NCC Change Request Template

Non-Code Change (NCC) Request Guidance

Recreating Supply Points Following Erroneous Deregistration

SPID Flows Tradability

Viewing and Creating Agreements in CMOS

Using PowerBI Dashboards

Tariff Data Upload Guidance 2022-2023

Guidance for Final meter read following Change of Use

Tariff Timetable 2022-2023

Codes Guidance

 /  View all

Trade Effluent Account Setup Guidance

Gap Site Incentive Scheme

Performance Resolution and Escalation Policy

Trade Effluent Jargon Buster

Guidance for Form GO3 Completion

Guidance for Form GO2 Completion

Environment Agency List of Priority or Hazardous Substances

Vacancy Incentive Scheme Guidance

Trade Effluent Charging Strength Methodology

Trade Effluent Miscellaneous Guidance

MVI Template Wholesaler Reads

Guidance on the Use of Temporary Vacancy

Managing Estimated Consumption using Yearly Volume Estimates

Managing Estimated Consumption Periods of Reduced Consumption Associated with Covid-19

Process for Managing Data Subject Requests

Performance Guidance

Guidance on Trade Effluent Charging with no sewerage charges

Content Outline Interface (Retail)

Form H-01

Form H-02

Form H-05

Form I-01

Form I-02

Form I-03

Guidance for Form G-02 Completion

Guidance for Form G-03 Completion

Form G-02

Session 5 - Maintaining Market Data (wholesaler) training slides

Session 6 - Maintaining Market Data (Retailer) training slides

Session 7 - Meters and Meter Reading (Wholesaler) training slides

Session 8 - Meters and Meter Reading (Retailer) training slides

Sessions 4 - Register SPID (retailer) training slides

TCORRs, Meter Networks and Non-Market Meters

Trade Effluent Account Setup Guidance

Trade Effluent Training Slides 2018-11-26

Form F-02

2019_2020 Gap Site and DTS_Interim allocation opt ins

Agreements Management (wholesale) Guidance Note

Do I need TE Consent guidance

Drinking Water Quality FAQs

Drinking Water Workshop Summary Note

DTS (gap site) allocations

DTS and Interim allocation opt ins

Form A-05

Form B-01

Form B-02

Form B-03

Form C-01

Form C-02

Form C-04

Form F-01

Form G-01

Content Outline Interface (Wholesale)

Session 3 - Register SPID (wholesaler) training slides

Retailer Wholesaler Group (RWG) Guidance

Leak Allowances Good Practice Guide

RWG Standard Skip Codes and Processes

Data Collation Service

Collated Water Resource Zone Boundaries

Attachment 1 - Emergency Contact Details Template

Emergency Contact Details Good Practice Guide

Wholesaler Gap and Vacant Schemes - April 2021 Update

Unplanned Events Good Practice Guide - June 2020

Data Logging Good Practice Guide

Complaints Good Practice Guide

Return to Sewer Allowances Good Practice Guide

Planned Activities Good Practice Guide

Meter Reading Standards Market Guidance

Meter Reading Services Retailer Information Document

Disconnection for Non-Payment Good Practice Guidance

RWG Governance RFI Consultation responses

RWG Governance Framework

RWG Support provided by MOSL

Bilateral Transactions Programme Guidance

Bilateral transactions - C1 process training

Bilateral transactions - web portal overview

Bilateral hub User Guide

Bilateral Hub Submission Guidance

Bilaterals Phase 2.1, 2 February 22 release video

Keep up to date

Receive the most relevant and up-to-date communications from MOSL by signing up to our mailing list.