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MOSL is the market operator of England's new non-household water market and is proud to work alongside our water company members to support them driving efficiency and innovation in water.

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New Premises

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I am connecting a water and/or sewerage connection or want to learn about developer services/building water.

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Metering

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I am installing, exchanging, removing or testing a meter and want to know more about non-market and network meters.

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Settlement

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I want to know more about settlement charges and timetables

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Switching

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A customer wants to switch retailer, what do I need to know?

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Customers and Billing

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I want to update information in CMOS such as occupancy, customer, use of the premises or service component.

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Deregistrations

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I am deregistering a water and/or sewerage connection.

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Wholesale Services

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I want to know more about trade effluent, leakages or drinking water incidents.

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Meter Reads

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I want to submit an initial, transfer, final or cyclical meter read.

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