Plant size

(cubic meters per day)

Electric energy consumption (kWh/m3)

Primary

Secondary (activated sludge)

Tertiary (advanced WW treatment)

3785

0.479

0.59

0.686

18,925

0.258

0.362

0.416

37,850

0.255

0.318

0.372

75,700

0.198

0.294

0.344

189,250

0.182

0.278

0.321

378,500

0.177

0.272

0.314