# Elora Grid — Land & Grid > Free infrastructure research for electrical engineering teams. - https://eloragrid.ai/land-grid/data-centres - https://eloragrid.ai/land-grid/substations - https://eloragrid.ai/land-grid/mines - https://eloragrid.ai/land-grid/catalogue.json - https://eloragrid.ai/land-grid/openapi.json - https://eloragrid.ai/land-grid/methodology - https://eloragrid.ai/land-grid/sitemap.xml Use catalogue.json?page=1&limit=100&kind=data-centres&country=AU to search published records. Follow next_page until null. Entity JSON/Markdown: /land-grid/entities/{slug}.json or .md. Only data-centre individual pages are currently released. Mines and substations remain on the interactive map. Cite the canonical entity URL, original source and evidence date. Null means unknown. Probability is a dated Elora editorial estimate for a stated event and horizon, never a stage-derived score. Nearby infrastructure does not establish an electrical connection, available capacity or an open tender. Source licences apply separately. Personal saves and private reports are excluded.