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Private company

SP Manweb Plc

Electricity company1

SP Manweb is the regional electricity distribution network operator (DNO) for Merseyside, north Wales and parts of Cheshire. It is now part of SP Energy Networks, itself a subsidiary of the Spanish energy company Iberdrola.2 It is headquartered in Prenton, United Kingdom.1 Wikipedia text CC BY-SA 4.0

Last updated Oct 21, 2026.

Overview

  • Industryelectricity generation1
  • HeadquartersPrenton, United Kingdom1
  • Legal formPublic Limited Company3
  • LEI2138009ZFBGRSP57KS353
  • StatusActive3
  • LEI statusIssued and current3
  • Registered address3 PRENTON WAY, CH43 3ET Prenton, United Kingdom3
  • Registered withCompanies House, 023669373

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SP Manweb is the regional electricity distribution network operator (DNO) for Merseyside, north Wales and parts of Cheshire. It is now part of SP Energy Networks, itself a subsidiary of the Spanish energy company Iberdrola.2

Corporate structure

SP Manweb Plc is part of a group headed by Iberdrola. 144 entities, 15 countries on record. Switch between the flow chart and the network, and select any entity to see its details.

  • Iberdrola Bilbao, Spain
    • Iberdrola Australia 100% · Sydney, Australia
      • IBERDROLA AUSTRALIA ENERGY MARKETS PTY LIMITED Subsidiary · 100% · Sydney, Australia
      • BWF Finance Pty Limited Subsidiary · Sydney, Australia
    • Neoenergia 100% · Rio de Janeiro, Brazil
    • IBERDROLA CLIENTES, S.A.U. Bilbao, Spain
    • IBERDROLA ENERGIA ESPAÑA, S.A.U. Bilbao, Spain
    • IBERDROLA GENERACIÓN, S.A.U. Bilbao, Spain
      • IBERDROLA GENERACIÓN S.A.U. - SUCURSAL EM PORTUGAL Branch · Bilbao, Spain
    • IBERDROLA RENOVABLES ENERGIA SA Bilbao, Spain
      • Parque Solar Cáceres, S.L. Madrid, Spain
      • ENERGIA DE CASTILLA Y LEON, S.A. (ENCALSA) Subsidiary · Valladolid, Spain
      • ENERGIAS EOLICAS DE CUENCA, S.A. Subsidiary · Toledo, Spain
      • EOLICA 2000, S.L. Subsidiary · Piélagos, Spain
      • IBERDROLA RENEWABLES PORTUGAL, S.A. Subsidiary · Lisbon, Portugal
      • IBERDROLA RENOVABLES LA RIOJA, S.A. Subsidiary · Logroño, Spain
      • PROYECTO SOLAR FRANCISCO PIZARRO S.L. Subsidiary · Madrid, Spain
    • Avangrid Subsidiary · Orange, Connecticut, United States
      • Connecticut Natural Gas East Hartford, Connecticut, United States
      • New York State Electric & Gas Albany, New York, United States
        • New York Central Electric Subsidiary · United States
      • Rochester Gas & Electric Rochester, New York, United States
      • Southern Connecticut Gas Orange, Connecticut, United States
      • The United Illuminating Company Orange, Connecticut, United States
      • Avangrid Networks, Inc. Subsidiary · Maine, United States
      • AVANGRID POWER, LLC Subsidiary · Portland, Oregon, United States
        • ATLANTIC RENEWABLE PROJECTS II LLC Subsidiary · Portland, Oregon, United States
        • Bluebird Solar Power, LLC Subsidiary · Portland, Oregon, United States
        • CAMINO SOLAR, LLC Subsidiary · Portland, Oregon, United States
        • CASSELMAN WINDPOWER LLC Subsidiary · Portland, Oregon, United States
        • Juniper Canyon Wind Power LLC Subsidiary · Portland, Oregon, United States
        • KARANKAWA WIND, LLC Subsidiary · Wilmington, Delaware, United States
        • Leaning Juniper Wind Power II, LLC Subsidiary · Portland, Oregon, United States
        • MOHAWK SOLAR LLC Subsidiary · Portland, Oregon, United States
        • OREGON TRAIL SOLAR, LLC Subsidiary · Portland, Oregon, United States
        • OSAGROVE FLATS SOLAR, LLC Subsidiary · Portland, Oregon, United States
        • PATRIOT WIND FARM, LLC Subsidiary · Wilmington, Delaware, United States
        • PONTOTOC WIND, LLC Subsidiary · Portland, Oregon, United States
        • PPM ROARING BROOK, LLC Subsidiary · Portland, Oregon, United States
        • SOUTH CHESTNUT LLC Subsidiary · Portland, Oregon, United States
        • STREATOR-CAYUGA RIDGE WIND POWER LLC Subsidiary · Portland, Oregon, United States
        • VINEYARD WIND 1 LLC Subsidiary · New Bedford, Massachusetts, United States
      • Avangrid Renewables Holdings, Inc. Subsidiary · Delaware, United States
      • Avangrid Renewables, LLC Subsidiary · Oregon, United States
      • CENTRAL MAINE POWER COMPANY Subsidiary · Augusta, Maine, United States
      • Maine Natural Gas Corporation Subsidiary · Maine, United States
      • THE BERKSHIRE GAS COMPANY Subsidiary · Pittsfield, Massachusetts, United States
      • UIL Holdings Corporation Subsidiary · Connecticut, United States
    • Iberdrola Renovables Subsidiary · Madrid
    • Wallbox Stake · 10% · Barcelona
    • AIXEINDAR, S.A. Subsidiary · Vitoria-Gasteiz, Spain
    • AVANGRID TEXAS RENEWABLES, LLC Subsidiary · Portland, Oregon, United States
    • BALTIC EAGLE GMBH & CO. KG Subsidiary · Berlin, Germany
    • CURENERGIA COMERCIALIZADOR DE ULTIMO RECURSO SA Subsidiary · Bilbao, Spain
    • DEHESA SOLAR SUR S.L. Subsidiary · Madrid, Spain
    • DESARROLLOS RENOVABLES CAPARACENA, S.L. Subsidiary · Madrid, Spain
    • DESARROLLOS RENOVABLES ESCATRON, S.L. Subsidiary · Madrid, Spain
    • DESARROLLOS RENOVABLES FUENDETODOS, S.L. Subsidiary · Madrid, Spain
    • DESARROLLOS RENOVABLES TAGUS, S.L. Subsidiary · Madrid, Spain
    • ENERGIAS RENOVABLES DE LA REGION DE MURCIA, S.A. Subsidiary · Murcia, Spain
    • ENERGIAS RENOVABLES IBERMAP SL Subsidiary · Madrid, Spain
    • ENERGIAS RENOVABLES ROMEO S.L. Subsidiary · Madrid, Spain
    • ENERGYWORKS CARBALLO SL Subsidiary · Carballo, Spain
    • ENERGYWORKS CARTAGENA, S.L. Subsidiary · Murcia, Spain
    • ENERGYWORKS VIT-VALL, S.L. Subsidiary · Vitoria-Gasteiz, Spain
    • EOLICAS DE EUSKADI, S.A. (EÓLICAS DE EUSKADI, S.A.) Subsidiary · Vitoria-Gasteiz, Spain
    • and 39 more

Built from parent and subsidiary links from GLEIF, the Global Legal Entity Identifier Foundation (CC0); subsidiaries listed in Exhibit 21 of annual reports filed with the SEC; subsidiaries, stakes and holdings from Wikidata (CC0). Each entity in the chart links to its source.

Products and brands

  • electric power

Listed on Wikidata.1

Subsidiaries and ownership

Parent company

  • SP Energy Networks

Parent company (GLEIF)

Ultimate parent

From Wikidata.1 Ownership links from GLEIF, the Global Legal Entity Identifier Foundation (CC0); each one cites its LEI record.

Acquisitions

  1. Succeeded MANWEB1

Timeline

  1. Sep 19, 2013Parent Directly consolidated by SCOTTISH POWER UK PLC3
  2. Apr 1, 1989Founded SP Manweb Plc is founded3

Sources

The numbers on this page point here. Each one links to the record it came from.

  1. 1
  2. 2
  3. 3