{
  "language": "en",
  "interfaceLanguage": "ar",
  "url": "https://voltformer.com/ar/news/uk-neso-national-grid-stage-2-consultation-400kv-great-grid-upgrade",
  "slug": "uk-neso-national-grid-stage-2-consultation-400kv-great-grid-upgrade",
  "category": "transmission-substations",
  "publishDate": "2026-09-24",
  "sourceName": "National Grid Electricity Transmission & NESO",
  "sourceUrl": "https://www.nationalgrid.com/the-great-grid-upgrade/midlands-east-anglia-stage-2-consultation-september-2026",
  "readingTimeMinutes": 5,
  "tags": [
    "National Grid",
    "NESO",
    "Great Grid Upgrade",
    "400 kV",
    "Substation",
    "Overhead Lines",
    "UK Grid"
  ],
  "content": {
    "title": "National Grid UK and NESO Launch Stage 2 Consultation for 400 kV Great Grid Upgrade Corridors Across Midlands and East Anglia",
    "summary": "National Grid Electricity Transmission, working in tandem with newly operational National Energy System Operator (NESO), has commenced an eight-week statutory Stage 2 consultation for major 400 kV reinforcement corridors connecting offshore wind landing zones to England’s industrial backbone.",
    "sections": [
      {
        "heading": "Routing Multi-Gigawatt Offshore Wind to Industrial Load Centers",
        "paragraphs": [
          "The consultation outlines refined corridor alignments across Lincolnshire, Leicestershire, and Northamptonshire, comprising approximately 140 kilometers of high-capacity 400 kV double-circuit overhead lines and critical underground cable sections through environmentally sensitive terrain.",
          "The project incorporates two new 400/132 kV air-insulated and gas-insulated bulk supply substations designed to interface with 525 kV HVDC convertor hubs carrying Scottish and North Sea offshore renewable power directly into central England."
        ]
      },
      {
        "heading": "Technical Architecture and Supply Chain Preparedness",
        "paragraphs": [
          "Under NESO’s updated transmission connection queue criteria, the strategic link will alleviate chronic thermal transmission constraints that incurred over £1.2 billion in annual renewable curtailment and balancing costs in recent operating periods.",
          "Substation design packages specify low-noise 400 kV 1,000 MVA autotransformers equipped with synthetic ester dielectric fluid and digital gas-insulated switchgear to minimize physical footprint and operational life-cycle emissions."
        ]
      }
    ]
  },
  "companies": []
}