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COVID-19 responses

We are publishing regular updates and actions taken in response to the COVID-19 pandemic on our dedicated COVID-19 page.

Market Codes

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The latest version of the market codes, the change process and consultations on changes.

Panel & Committees

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What the Panel does and meeting details, member biogs and panel committees

CMOS

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Everything to do with the core IT system that underpins MOSL’s role within the new water market

Market Performance

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Key charts and information outlining market performance including switching and settlement

FORTHCOMING EVENTS

27Oct

Panel Meeting 48

28Oct

MPC Meeting 43

05Nov

Oct 2020 Settlement R1 Invoice Period

05Nov

Aug 2020 Settlement R2 Invoice Period

05Nov

Feb 2020 Settlement R3 Invoice Period

05Nov

Jun 2019 Settlement RF Invoice Period

05Nov

Bilateral Transactions Programme Operational Advisory Group (OAG) meeting

06Nov

CMOS Release 9.0 deployed in PROD – 6pm-2pm (next day)

09Nov

Dec 2020 Settlement P1 Invoice Period

10Nov

CMOS Release 9.0 deployed in MPS – 10am to 5pm

11Nov

MPC agenda published

11Nov

OPS submission deadline

14Nov

CMOS Planned Maintenance PROD – 11pm to 6am (next day)

18Nov

MPC papers published (non-confidential)

18Nov

Trading Disputes Committee

19Nov

User Forum

19Nov

Bilateral Transactions Programme Operational Advisory Group (OAG) meeting

23Nov

MPS and OPS charts updated

23Nov

MPS and OPS reports published and OPS data refreshed

23Nov

Panel Meeting 48a

24Nov

Panel Meeting 49

25Nov

MPC Meeting 44

03Dec

Bilateral Transactions Programme Operational Advisory Group (OAG) meeting

04Dec

Nov 2020 Settlement R1 Invoice Period

04Dec

Sep 2020 Settlement R2 Invoice Period

04Dec

Mar 2020 Settlement R3 Invoice Period

04Dec

Jul 2019 Settlement RF Invoice Period

08Dec

Jan 2021 Settlement P1 Invoice Period

10Dec

OPS submission deadline

15Dec

Panel Meeting 50

17Dec

Bilateral Transactions Programme Operational Advisory Group (OAG) meeting

18Dec

Trading Disputes Committee

22Dec

MPS and OPS charts updated

22Dec

MPS and OPS reports published and OPS data refreshed

07Jan

Dec 2020 Settlement R1 Invoice Period

07Jan

Oct 2020 Settlement R2 Invoice Period

07Jan

Apr 2020 Settlement R3 Invoice Period

07Jan

Aug 2019 Settlement RF Invoice Period

08Jan

Feb 2021 Settlement P1 Invoice Period

13Jan

MPC agenda published

13Jan

OPS submission deadline

18Jan

CMOS Planned Maintenance MPS/MPS2 – 10am to 4pm

19Jan

CMOS Planned Maintenance MPS/MPS2 – 10am to 4pm”

20Jan

MPC papers published (non-confidential)

20Jan

CMOS Planned Maintenance MPS/MPS2 if required – 10am to 4pm

21Jan

User Forum

25Jan

MPS and OPS charts updated

25Jan

MPS and OPS reports published and OPS data refreshed

27Jan

MPC Meeting 46

04Feb

Jan 2021 Settlement R1 Invoice Period

04Feb

Nov 2020 Settlement R2 Invoice Period

04Feb

May 2020 Settlement R3 Invoice Period

04Feb

Sep 2019 Settlement RF Invoice Period

05Feb

Mar 2021 Settlement P1 Invoice Period

06Feb

CMOS Planned Maintenance PROD – 11pm to 6am (next day)

08Feb

OPS submissiondeadline

10Feb

MPC agenda published

10Feb

OPS submission deadline

17Feb

MPC papers published (non-confidential)

18Feb

User Forum

22Feb

MPS and OPS charts updated

22Feb

MPS and OPS reports published and OPS data refreshed

24Feb

MPC Meeting 47

04Mar

Feb 2021 Settlement R1 Invoice Period

04Mar

Dec 2020 Settlement R2 Invoice Period

04Mar

Jun 2020 Settlement R3 Invoice Period

04Mar

Oct 2019 Settlement RF Invoice Period

10Mar

Apr 2021 Settlement P1 Invoice Period

10Mar

OPS submission deadline

17Mar

MPC agenda published

18Mar

User Forum

22Mar

MPS and OPS charts updated

22Mar

MPS and OPS reports published and OPS data refreshed

24Mar

MPC papers published (non-confidential)

31Mar

MPC Meeting 48

16Apr

CMOS Release 10.0 deployed in MPS2 – 10am to 8am (next day)

30Apr

CMOS Release 10.0 Patch Drop in MPS2 – 10am to 5pm

14May

CMOS Release 10.0 deployed in PROD – 6pm-2pm (next day)

18May

CMOS Release 10.0 deployed in MPS – 10am to 5pm

30Jul

CMOS Release 10.5 deployed in MPS2 – 10am to 8am (next day)

13Aug

CMOS Release 10.5 Patch Drop in MPS2 – 10am to 5pm

27Aug

CMOS Release 10.5 deployed in PROD – 6pm-2pm (next day)

31Aug

CMOS Release 10.5 deployed in MPS – 10am to 5pm

01Oct

CMOS Release 11.0 deployed in MPS2 – 10am to 8am (next day)

15Oct

CMOS Release 11.0 Patch Drop in MPS2 – 10am to 5pm

05Nov

CMOS Release 11.0 deployed in PROD – 6pm-2pm (next day)

09Nov

CMOS Release 11.0 deployed in MPS – 10am to 5pm

MOSL@mosl_

RT @KarmaOckenden: We are devoting the final session in our 2020 #SocialContractSummit to hearing what young professionals think about #wat…

14:49 - 23 Oct 2020

Thank you to Allan Roper @ProstateUK for leading today's Prostate Cancer Awareness Workshop with colleagues and tea… https://t.co/CPhGViNzwR

13:27 - 23 Oct 2020

RT @RichardsonNath: Please watch this. We have the solutions to to the water crisis. We just need leadership, political will, business comm…

12:30 - 23 Oct 2020

Today our Senior Leadership Team chose to @wearitpink in support of @breastcancernow. Find out more about how to do… https://t.co/uTL0T9g9Ug

12:16 - 23 Oct 2020

R-MeX: Retailer responses will be included as part of this year's Annual Market Performance Review (AMPR) & will be… https://t.co/taNjFJgAUS

10:10 - 23 Oct 2020

NEW: Today we published our performance against our KPIs and our second quarterly report which tracks our progress… https://t.co/zA9iQ3mdwo

17:32 - 22 Oct 2020

COME AND MEET US: We're looking forward to meeting students from @unisouthampton interested in taking part in our S… https://t.co/7dIXzKWFBN

12:27 - 22 Oct 2020

Today @MOSL_ held a Bilaterals webinar which included a demo of the new bilaterals hub and showcased two of the key… https://t.co/mJtdV5WJ6f

16:08 - 21 Oct 2020

Thank you @MrAMarshman for today's #MOSLMasterclass. The team really enjoyed learning about how @SouthernWater is w… https://t.co/DZrYhuxGJj

16:54 - 20 Oct 2020

REMEMBER: Retailers, you can have your say on the performance of wholesalers in the first Retailer Measure of Exper… https://t.co/nq7OCtXGXs

09:55 - 20 Oct 2020

Today @MOSL_ is issuing two RFIs to trading parties to support our market improvement activities and Strategic Mete… https://t.co/i0sYXLtTgw

16:54 - 19 Oct 2020

In the third and final of our Senior Leadership Roundtable series, @SarahMcMath3, @scotconsumer and @AnneHeal talk… https://t.co/TxfjZMNXmH

14:24 - 19 Oct 2020

Welcome. What area do you need help with?

Market Codes

Panel & Committees

CMOS

Market Performance

FORTHCOMING EVENTS

Panel Meeting 48

MPC Meeting 43

Oct 2020 Settlement R1 Invoice Period

Aug 2020 Settlement R2 Invoice Period

Feb 2020 Settlement R3 Invoice Period

Jun 2019 Settlement RF Invoice Period

Bilateral Transactions Programme Operational Advisory Group (OAG) meeting

CMOS Release 9.0 deployed in PROD – 6pm-2pm (next day)

Dec 2020 Settlement P1 Invoice Period

CMOS Release 9.0 deployed in MPS – 10am to 5pm

MPC agenda published

OPS submission deadline

CMOS Planned Maintenance PROD – 11pm to 6am (next day)

MPC papers published (non-confidential)

Trading Disputes Committee

User Forum

Bilateral Transactions Programme Operational Advisory Group (OAG) meeting

MPS and OPS charts updated

MPS and OPS reports published and OPS data refreshed

Panel Meeting 48a

Panel Meeting 49

MPC Meeting 44

Bilateral Transactions Programme Operational Advisory Group (OAG) meeting

Nov 2020 Settlement R1 Invoice Period

Sep 2020 Settlement R2 Invoice Period

Mar 2020 Settlement R3 Invoice Period

Jul 2019 Settlement RF Invoice Period

Jan 2021 Settlement P1 Invoice Period

OPS submission deadline

Panel Meeting 50

Bilateral Transactions Programme Operational Advisory Group (OAG) meeting

Trading Disputes Committee

MPS and OPS charts updated

MPS and OPS reports published and OPS data refreshed

Dec 2020 Settlement R1 Invoice Period

Oct 2020 Settlement R2 Invoice Period

Apr 2020 Settlement R3 Invoice Period

Aug 2019 Settlement RF Invoice Period

Feb 2021 Settlement P1 Invoice Period

MPC agenda published

OPS submission deadline

CMOS Planned Maintenance MPS/MPS2 – 10am to 4pm

CMOS Planned Maintenance MPS/MPS2 – 10am to 4pm”

MPC papers published (non-confidential)

CMOS Planned Maintenance MPS/MPS2 if required – 10am to 4pm

User Forum

MPS and OPS charts updated

MPS and OPS reports published and OPS data refreshed

MPC Meeting 46

Jan 2021 Settlement R1 Invoice Period

Nov 2020 Settlement R2 Invoice Period

May 2020 Settlement R3 Invoice Period

Sep 2019 Settlement RF Invoice Period

Mar 2021 Settlement P1 Invoice Period

CMOS Planned Maintenance PROD – 11pm to 6am (next day)

OPS submissiondeadline

MPC agenda published

OPS submission deadline

MPC papers published (non-confidential)

User Forum

MPS and OPS charts updated

MPS and OPS reports published and OPS data refreshed

MPC Meeting 47

Feb 2021 Settlement R1 Invoice Period

Dec 2020 Settlement R2 Invoice Period

Jun 2020 Settlement R3 Invoice Period

Oct 2019 Settlement RF Invoice Period

Apr 2021 Settlement P1 Invoice Period

OPS submission deadline

MPC agenda published

User Forum

MPS and OPS charts updated

MPS and OPS reports published and OPS data refreshed

MPC papers published (non-confidential)