Tender: Energy Supply and Metering Services for Northumbrian Water – Electricity, Gas and MOP (Lots 1–3)

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Northumbrian Water Limited (NWL) is seeking suppliers to provide electricity and gas supply and Meter Operator/Data Collection and Aggregation services across its operational estate over the next ten years, split into three lots: Lot 1 – Power import and export for 1,829 electricity supply points (1,314 NHH, 515 HH as of July 2025) with an estimated annual value of £53M; Lot 2 – Gas import and export for 25 MPRNs with an estimated annual value of £4M; and Lot 3 – Meter Operator (MOP) and DC/DA services covering installation, maintenance and management of meters and half-hourly data collection/aggregation (515 HH MPANs as of July 2025). The successful suppliers must be licensed for import and export, deliver flexible trading and market‑linked export contracting (day-ahead, seasonal trades), manage billing, export invoicing, settlement, new connections and disconnections, provide reconciliation, forecasting and portfolio tools, supply weekly energy market updates and support NWL’s procurement strategy, and undertake meter installation, maintenance and data aggregation including export meters and strategic assets; all electricity contracts and all gas contracts must be provided by a single supplier respectively. The tender also acknowledges the Market-wide Half-Hourly Settlement (MHHS) reforms and the evolving roles from MOP/DC/DA to Meter Operating Agents (MOA), Smart Data Services (SDS) and Advanced Data Services (ADS), and corresponding contract classifications.