- API - (Additional Performance Indicator) a metric created with the market to review and monitor performance against a specific task or measure. They can be used to create Initial Performance Rectification Plans if the performance measured is not deemed as acceptable
- BRN - Billing Reference Number
- Business Continuity Management System (BCMS) - Section 4 of Code Subsidiary Document (CSD 0007) requires MOSL to make relevant elements of its Business Continuity Management System available to trading parties. Section 6 requires us to make the Business Continuity Management System maintenance schedule available to trading parties
- CMOS - Central Market Operating System. The central IT system and primary repository of customer data, meters and meter reads which is maintained by MOSL
- Gap Site - Any Eligible Premises which is in receipt of Water Services and/or Sewerage Services where no Supply Points or insufficient Supply Points are Registered in relation to such Eligible Premises in the Supply Point Register
- GIS - Geographical Information System - A geographic information system (GIS) is a framework for gathering, managing, and analysing data. Rooted in the science of geography, GIS integrates many types of data. It analyses spatial location and organizes layers of information into visualizations using maps and 3D scenes. With this unique capability, GIS reveals deeper insights into data, such as patterns, relationships, and situations helping users make smarter decisions
- IPRP - Initial Performance Rectification Plan. A plan submitted by a trading party in response to performance which is below target. These plans are managed by MOSL, supported by the Market Performance Committee
- KPI - Key Performance Indicator – a metric to show performance against business plan commitments
- LUM - Long Unread Meters. Meters which have either not been read for 12 months or meters which have not been read since the market opened
- MPF - Market Performance Framework. The synchronised and aligned set of measures to drive efficiency and performance in the market
- MPS 1,2, & 3,4,5 - Performance standards covering elements of customer setup
- MPS 7,8,9 - Performance standards covering elements of customer service requests
- MPS 16,17 - Performance standards covering elements of customer switching
- MPS 15,18,19 - Performance standards covering the taking and submitting of meter reads in support of accurate customer billing
- MOSL - Market Operator Services Limited. The Market Operator for the non-household water market
- MPC - Market Performance Committee. A Panel committee of consisting of eight trading party members and an independent Chair with the remit to evaluate performance each month
- MPOP - Market Performance Operating Plan. An annual plan to address risks to market performance
- NAVs - New appointments and variations (NAVs) are limited companies which provide a water and/or sewerage service to customers in an area which was previously provided by the incumbent monopoly provider
- PIP - Pairing Improvement Plan. A joint plan owned by both the retailer and wholesaler (in a retailer-wholesaler pairing) to improve long unread meter readings. (Please note, the meter is owned by the wholesaler and managed by the retailer)
- PRP - Performance Rectification Plan. An IPRP which has been formally escalated and is managed by the Market Performance Committee
- R1 - First financial reconciliation of settlement
- R2 - Second financial reconciliation of settlement
- R3 - Third financial reconciliation of settlement
- RF - Final reconciliation of settlement
- Self Suppliers - those customers who choose to act as their own retailer by having a water supply and/or sewerage licence (WSSL) with a retail authorisation that is limited to self supply. More information on the business retail market can be found on the Open Water website
- SIC - The UK Standard Industrial Classification of economic activities, abbreviated as UK SIC, is a five-digit classification providing the framework for collecting and presenting a large range of statistical data according to economic activity
- SPID - Supply Point ID. A meter or group of meters serving a customer
- VOA - Valuation Office Agency
- WaSCs - Water and Sewerage Companies who manage both water supply and wastewater services
- WoCs - Water only Companies, who only manage only the supply of water.