Market Maps
Please note that our market maps are continuously updated and improved. To provide feedback, please email performance@mosl.co.uk.
Smart Meter Rates Map
The searchable map presents a view of the proportion of total business retail market meters within each postal sector by wholesaler region that are classified as SmartAMI in the central market system (CMOS).
Learn moreDrought Restrictions Map
This map links Water Resource Zones (WRZs) and postal sectors to Drought Restriction status provided by each water company and updated weekly.
Learn moreSmart Meter Implementation Planned Start Map
This searchable map presents a collated national view of wholesaler smart meter implementation plans by postal sectors coloured by Due to Start in categories.
Learn moreSmart Meter Implementation Planned Completion Map
This searchable map presents a collated national view of wholesaler smart meter implementation plans by postal sectors coloured by Due to Complete in categories.
Learn moreWater Resource Zones (WRZs) Map
Boundaries, names and Water Balance Categories for the 128 water resource zones in England and Wales.
Learn moreWater Volume By Postal Sector Map
This searchable map presents a colour scale view of the levels of water consumed by business retail supply points for each of the 9,000+ postal sectors in England and Wales.
Learn moreWaste Water Volumes By Postal Sector Map
This searchable map presents a colour scale view of waste water volumes from business retail market (BRM) supply points for each of the 9,000+ postal sectors in England and Wales.
Learn moreWater Meters By Postal Sector Map
This map provides a view of the number of active business retail water meters within each postal sector.
Learn moreLong Unread Meters (LUMs) By Postal Sector Map
This map shows the percentage of business retail long unread water meters within each postal sector.
Learn moreMetered SPIDs By Water Wholesaler Map
This map provides a view of the percentage of business retail market Supply Point IDs (SPIDs) with at least one active business retail meter in each of Ofwat's wholesaler regions.
Learn moreWater Switching By Wholesaler Region Map
This map shows switches per 1000 Water SPIDs in each of Ofwat’s Wholesaler Supply Boundaries.
Learn moreSewerage Switching By Wholesaler Region Map
This map shows switches per 1000 Sewerage SPIDs in each of Ofwat’s Wholesaler Supply Boundaries.
Learn moreCustomer Meter Reads By Postal Sector Map
This interactive map presents a view of business retail market (BRM) customer meter reads by total valid BRM meter reads water for each of the 9,000+ postal sectors in England and Wales and also displays wholesaler water supply area boundaries.
Learn moreRemote Meter Reads By Postal Sector Map
This interactive map presents a view of business retail market (BRM) remote meter reads by total valid BRM meter reads water for each of the 9,000+ postal sectors in England and Wales and also displays wholesaler water supply area boundaries.
Learn moreTrading Party Location Map
Here you will find a map view of trading party locations based, categorised as either wholesaler, retailer or retailer - self-supply.
Learn moreWater Body And Meter Map
This interactive map shows Water Bodies across England coloured depending on the number of business retail water meters, alongside Water Company operational boundaries.
Learn moreCatchment And River Health Map
This interactive map shows the Ecological Health Status for each of the 101 Surface Water Management Catchments (SWMCs) across England along with Water Company operational boundaries.
Learn moreWater Resource Planning Regions Map
Boundaries, names and links to website for the five Water Resource Planning regions, as well as Natural Resource Wales.
Learn moreWater Stress Areas Map
Boundaries, names and Environment Agency (EA) designation (2021) for the 23 water stress areas in England.
Learn more