Proof of concept.This is an unofficial demo built by Datopian from Longford County Council's public data. The official portal is countycouncil-longford.hub.arcgis.com. Questions or feedback: hello@datopian.com

A PortalJS proof of concept · data from Longford County Council's ArcGIS Hub

Wind Energy Areas

Adopted Area Wind Farm

Records
10
Formats
5
Last updated
Apr 13, 2026

Download & API

Adopted Area Wind Farm (CSV)csv
Spreadsheet — attributes, with coordinates for point layers
Download
Adopted Area Wind Farm (GeoJSON)geojson
GeoJSON — for web maps and GIS tools
Download
Adopted Area Wind Farm (GeoParquet)geoparquet
Columnar — query with DuckDB / SQL
Download
Adopted Area Wind Farm (map tiles)pmtiles
Vector tiles — embed in a map
Download
Live ArcGIS layer (source)arcgis
Download

Rendered from PMTiles, queried in-browser from GeoParquet — no server. How this works

Schema

FieldTypeValues
Typestring3 values: Buffer (7), Non Preferred Location (2), Preferred Location (1)
Plan_Namestring1 values: Longford County Development Plan 2021 - 2027 (10)
SHAPE_STArnumber3,150,826 to 98,871,888
SHAPE_STLenumber6,293 to 218,962