{
  "slug": "wa-der-connection-consultation-2026",
  "title": "Seven proposals to change how Western Australia sees its own rooftops",
  "url": "https://solaranalytica.com/wa-der-connection-consultation-2026",
  "summary": "Energy Policy WA has seven proposals out for consultation on how distributed energy data is collected, verified and shared across the SWIS, with submissions closing 18 August 2026. On a grid where rooftop solar has met up to 80.8 per cent of daytime demand, data quality is the operating margin.",
  "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/wa-der-connection-consultation-2026/data.csv",
  "datePublished": "2026-07-29",
  "lastReviewed": "2026-07-29",
  "sources": [
    {
      "title": "Energy Policy WA: public consultation on making it easier to connect solar, batteries and EV chargers",
      "url": "https://www.wa.gov.au/government/document-collections/public-consultation-making-it-easier-connect-solar-batteries-and-ev-chargers"
    },
    {
      "title": "AEMO Western Australia market data (WEM operating record)",
      "url": "https://data.wa.aemo.com.au/"
    },
    {
      "title": "Clean Energy Regulator: small-scale installation postcode data",
      "url": "https://cer.gov.au/markets/reports-and-data/small-scale-renewable-energy-target-data"
    },
    {
      "title": "Western Power: network opportunity map",
      "url": "https://www.westernpower.com.au/"
    }
  ],
  "figures": [
    {
      "id": "swis-rooftop-peak-share",
      "title": "Rooftop PV at daily peak, average against maximum",
      "unit": "per cent of implied underlying demand",
      "caption": "Rooftop PV at its daily peak as a share of the implied underlying-demand proxy, across 1,019 retained AEMO WEM operating days. The gap between the average and the maximum is the range a demand forecast has to cover.",
      "series": [
        {
          "label": "Maximum daily peak share",
          "value": 80.8
        },
        {
          "label": "Average daily peak share",
          "value": 52.4
        }
      ]
    }
  ]
}