{
  "slug": "isolated-grid-lessons-swis-2026",
  "title": "Isolated Grid Lessons for the World: What the SWIS Makes Visible",
  "url": "https://solaranalytica.com/isolated-grid-lessons-swis-2026",
  "summary": "What an electrically isolated system teaches about distributed-asset visibility, minimum demand, evening ramps, coordinated storage and forecast accountability without pretending every SWIS threshold is globally portable.",
  "license": "Free to use with attribution to Solar Analytica (solaranalytica.com). Underlying figures are named to their public sources below.",
  "csv": "https://solaranalytica.com/reports/isolated-grid-lessons-swis-2026/data.csv",
  "datePublished": "2026-08-04",
  "lastReviewed": "2026-08-01",
  "sources": [
    {
      "title": "AEMO WEM data service",
      "url": "https://data.wa.aemo.com.au/"
    },
    {
      "title": "AEMO WEM Electricity Statement of Opportunities",
      "url": "https://www.aemo.com.au/energy-systems/electricity/wholesale-electricity-market-wem/wem-forecasting-and-planning/wem-electricity-statement-of-opportunities-wem-esoo"
    },
    {
      "title": "Clean Energy Regulator small-scale installation data",
      "url": "https://cer.gov.au/markets/reports-and-data/small-scale-installation-postcode-data"
    }
  ],
  "figures": [
    {
      "id": "swis-rooftop-solar-operating-envelope",
      "title": "SWIS rooftop solar share at daily peak",
      "unit": "%",
      "provenance": {
        "dataSource": "AEMO WEM",
        "dataType": "Derived daily operating metric",
        "scope": "SWIS",
        "statistic": "Rooftop PV at daily peak divided by implied underlying demand",
        "interval": "2 October 2023 to 17 July 2026"
      },
      "caption": "Rooftop PV at daily peak across 1,019 retained SWIS operating days. The measure uses an implied underlying-demand proxy.",
      "series": [
        {
          "label": "Average daily peak",
          "value": 52.4
        },
        {
          "label": "Maximum daily peak",
          "value": 80.8
        }
      ]
    }
  ]
}