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adust09 b40f9d1fd0 feat: add power plants layer with WRI Global Power Plant Database
Map ~35,000 power generation facilities from 164 countries using the
WRI Global Power Plant Database (CC BY 4.0). Follows the existing
datacenter layer pattern with clustered icon symbols, amber color
scheme, and click popups showing fuel type, capacity, and operator.

Co-Authored-By: Claude Opus 4.6 (1M context) <noreply@anthropic.com>
2026-03-18 16:56:24 +09:00

59 lines
1.9 KiB
Python

"""Download WRI Global Power Plant Database CSV and convert to compact JSON.
Usage:
python backend/scripts/convert_power_plants.py
Output:
backend/data/power_plants.json
"""
import csv
import json
import io
import zipfile
import urllib.request
from pathlib import Path
# WRI Global Power Plant Database v1.3.0 (GitHub release)
CSV_URL = "https://raw.githubusercontent.com/wri/global-power-plant-database/master/output_database/global_power_plant_database.csv"
OUT_PATH = Path(__file__).parent.parent / "data" / "power_plants.json"
def main() -> None:
print(f"Downloading WRI Global Power Plant Database from GitHub...")
req = urllib.request.Request(CSV_URL, headers={"User-Agent": "ShadowBroker-OSINT/1.0"})
with urllib.request.urlopen(req, timeout=60) as resp:
raw = resp.read().decode("utf-8")
reader = csv.DictReader(io.StringIO(raw))
plants: list[dict] = []
skipped = 0
for row in reader:
try:
lat = float(row["latitude"])
lng = float(row["longitude"])
except (ValueError, KeyError):
skipped += 1
continue
if not (-90 <= lat <= 90 and -180 <= lng <= 180):
skipped += 1
continue
capacity_raw = row.get("capacity_mw", "")
capacity_mw = float(capacity_raw) if capacity_raw else None
plants.append({
"name": row.get("name", "Unknown"),
"country": row.get("country_long", ""),
"fuel_type": row.get("primary_fuel", "Unknown"),
"capacity_mw": capacity_mw,
"owner": row.get("owner", ""),
"lat": round(lat, 5),
"lng": round(lng, 5),
})
OUT_PATH.parent.mkdir(parents=True, exist_ok=True)
OUT_PATH.write_text(json.dumps(plants, ensure_ascii=False, separators=(",", ":")), encoding="utf-8")
print(f"Wrote {len(plants)} power plants to {OUT_PATH} (skipped {skipped})")
if __name__ == "__main__":
main()