{
  "id": "G100001009057",
  "slug": "tarnobrzeg-special-economic-zone-nuclear-power-plant-4",
  "url": "https://nuclearchain.net/reactors/tarnobrzeg-special-economic-zone-nuclear-power-plant-4/",
  "name": "Tarnobrzeg Special Economic Zone nuclear power plant 4",
  "unit_no": "4",
  "status": "announced",
  "status_raw": "announced",
  "status_inferred": false,
  "site": {
    "slug": "tarnobrzeg-special-economic-zone-nuclear-power-plant",
    "name": "Tarnobrzeg Special Economic Zone nuclear power plant",
    "url": "https://nuclearchain.net/plants/tarnobrzeg-special-economic-zone-nuclear-power-plant/"
  },
  "country": {
    "iso3": "POL",
    "name": "Poland"
  },
  "reactor_type": null,
  "reactor_type_raw": "small modular reactor",
  "size_class": "smr",
  "model": "BWRX-300",
  "nsss_vendor": "ge-vernova-hitachi",
  "capacity": {
    "gross_mw": 300,
    "net_mw": null,
    "design_net_mw": null,
    "thermal_mw": null
  },
  "timeline": {
    "construction_start": null,
    "first_criticality": null,
    "grid_connection": null,
    "commercial_operation": null,
    "permanent_shutdown": null,
    "planned_retirement_year": null,
    "cancellation_year": null
  },
  "location": {
    "lat": 50.5243466,
    "lon": 21.6254433,
    "accuracy": "approximate"
  },
  "data_center_ppa": false,
  "ownership": [
    {
      "company": "Orlen Synthos Green Energy",
      "pct": 100,
      "role": "owner"
    }
  ],
  "corrections": [],
  "provenance": {
    "base_source": "Global Nuclear Power Tracker, Global Energy Monitor, August 2026 release",
    "base_source_url": "https://globalenergymonitor.org/projects/global-nuclear-power-tracker/",
    "license": "CC BY 4.0",
    "date_last_researched": "2026-07-01",
    "note": "date_last_researched is when Global Energy Monitor last reviewed this specific unit, which may be well before the release date."
  }
}