MOSL, in partnership with Ofwat and the Panel, have taken urgent action to support the water retail market and its customers during the Coronavirus pandemic. Working closely with trading parties, we have progressed a number of urgent changes to the codes address liquidity issues in the market and provide resilience during COVID-19.  

The information below is a summary of the recent change proposals, news items and the associated supporting documents.  

Further information for business customers is available on the Ofwat website.

COVID-19 News


Building the picture - communicating through COVID-19

Lyvia Nabarro, Head of Corporate Affairs, shares her thoughts on the key to effective communications and some of the lessons learnt from COVID-19.

25 August 2020


 Re-introduction of performance charges

Following the three-month suspension of Market Performance Standards (MPS) and Operational Performance Standards (OPS) charges due to COVID-19, charges will restart in November.

 15 September 2020


Empowering a market - effective and efficient self governance

A blog from Adam Richardson on how MOSL which includes how the market supported trading parties through COVID-19.

25 August 2020


Temporary vacancy flag removal guidance document

FInd the updated guidance document for the removal of temporary vacancy flags here.

26 August 2020


Medium term payment deferral webinars

Find the recorded webinar and supporting documentation for change proposal CPW096: 'Deferral of Payments in the medium term'.

22 May 2020


Building Resilience: Supporting MOSLers and building resilience during COVID-19


MOSL and MPC outline steps to provide insight on trading party performance and monitoring during COVID-19

This week MOSL and the Market Performance Committee sent a joint letter to trading parties outlining 'light touch' performance monitoring during COVID-19.

7 April 2020


Ofwat and MOSL issue joint letter to retailers  concerning CPW091 and CPW093

Ofwat and MOSL provide further clarity on the expectations of retailers in respect of urgent change proposals relating to COVID-19.

2 April 2020


Ofwat approves interim deferral measures

The Panel to progress urgent Authority Timetabled changes to support the water retail market during the COVID-19 pandemic.

3 March 2020


Ofwat and MOSL take urgent action to support water retail market during pandemic

MOSL establishes tripartite discussions with Ofwat and Defra to understand urgent actions required to support market participants and business customers.

20 March 2020


Ofwat approves three-month suspension of performance charges

Ofwat approves three-month suspension of performance charges in response to Covid-19 pandemic.

24 March 2020


Covid-19 Change Proposals

Reference Change Proposal Status Date
CPW107 COVID-19 Temporary Vacancy exemptions for Credit Support Implemented 23 October 2020
 CPW090/CPM023 Suspension of Standard Charges Implemented 23 March 2020
 CPW091 Temporary changes to vacancy Implemented 30 March 2020
CPW093 Payment deferrals interim measures Implemented 30 March 2020
CPW094 Temporary change to disconnections Implemented 8 April 2020
CPW095 Maintain credit requirements Implemented 16 April 2020
CPW096 Payment Deferral Medium Term Implemented 1 May 2020
CPW097/CPM025 Suspension of Market Performance Standard Charges following an interim supply event Implemented 1 July 2020
CPW098/CPM027 Extending the suspension of Performance Standard Charges Implemented 1 June 2020
CPW100  Revision to Credit Support Requirement under CPW095 Rejected 15 June 2020
CPW101/CPM031 Unwinding Temporary Covid-19 Arrangements in the Business Retail Market Implemented 1 August 2020

COVID-19 Documents

Log In

Please login to view secure online content. If you’re not a member you can register here. Note registration is for MOSL members and Open Water partners only in order to access controlled documents on this site.

Forgotten your password? Reset it here or download our guide on how to reset your password.


Sign Up

Please complete ALL fields below. Registration is for MOSL members and Open Water partners only in order to access controlled documents on this site.


Already a Member? Log in here

Forgot Password

Enter New Password

Document Versions