Data Output

Columns

Column	Type	Description
projectID	string	OSM_plant:{type}/{id}
Name	string	Plant name (may be empty)
Country	string	Full country name
lat, lon	float	WGS84 coordinates
Fueltype	string	Primary fuel type
Technology	string	Generation technology
Set	string	PP, Store, or CHP
Capacity	float	MW
DateIn	int	Commissioning year

Export Formats

df.to_csv("plants.csv", index=False)
df.to_excel("plants.xlsx", index=False)
df.to_parquet("plants.parquet", index=False)

# GeoJSON
units.save_geojson_report("plants.geojson")

Data Quality

Capacity sources (priority order):

1. Direct tag: plant:output:electricity
2. Aggregated from generators
3. Estimated from geometry (when enabled)

Check completeness:

print(df.isnull().sum())
print(f"Capacity coverage: {df['Capacity'].notna().mean():.0%}")