Following consultation with trading parties, MOSL has published its 2025-28 Business Plan for member voting.
The market operator received 24 responses to the consultation – 13 wholesalers/NAVs,10 retailers and CCW. Overall, the majority of respondents (91%) were supportive of the level of Market Operator (MO) charges and focus areas of the plan.
MOSL also consulted specifically on the inclusion of a new Strategic Data Programme to tackle the root causes of poor data entering the market. 67% of respondents were supportive of the programme, with a further three (12%) ‘supportive in principle’ but wanting more detail on the scope and desired outcomes.
In view of the overall support for the Strategic Data Programme MOSL has incorporated it into the business plan and budget. The change adds 2% to our proposed MO charges, which will now increase by 1% compared to 2024/25.
The total spend budget for 2025/26 is £14.045 million - £13.7 million of which will be funded through MO charges with £345,000 funded from reserves.
Further changes made to the final plan include:
- Strategic Data Programme – Based on overall trading party support MOSL has incorporated the Strategic Data Programme into the core business plan. More detail on the scope and focus areas for the programme also added , including an additional governance step for the Steering Group to approve the Project Initiation Document and budget ahead of any spend.
- Water efficiency – more information included as to how water efficiency is a core part of a number of MOSL’s improvement programmes (particularly Strategic Metering Review).
- Open Data – greater clarity on how MOSL will work with Ofwat to define Open Data, aligned to the commitment in Ofwat’s Forward Programme for 2025/26.
- Data Sharing Mechanism – provision of further assurance on the funding provision for the development of the Data Sharing Mechanism.
- Settlement Strategy – specific reference added to the post RF process as part of work to support the RWG on the Settlement Strategy.
Further information on the changes and consultation responses is available on pages 38-39 of the business plan. MOSL will publish the responses separately.
Contract Managers will be sent a Notice of the General Meeting which is being held on 3pm on 27 February and the voting form will be sent tothe nominated contact for voting.
Questions on the plan or voting process should be emailed to This e-mail address is being protected from spambots. You need JavaScript enabled to view it .
Click here to download MOSL Business Plan 2025-28
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