Page 307 - Engine IQflip'21

WWTP data

Reference Data for determining power potential at a WWTP*

People Served Gas Produced Available Energy Converted Electrical Power
Plant Size
per Day per Day (Note 1) (Note 2)

Metric 190 MLD 500,000 10,000 m of Biogas 2,500 KWh 1,000 KWe
3

US 1 MGD 10,000 10,000 scft of Biogas 241 mbtu/hr 28 KWe

Note 1 = Assumes a Biogas Lower Heating Value (LHV) of 579 btu/scft (6 KWh/Nm )
3
Note 2 = Assumes an Engine/Generator electrical efficiency of 40%

Units

MLD = Million Liters per Day

MGD = Million Gallons per Day
mmscft/day = million cubic feet per day
m3/day = cubic meters per day

* = Derived from “Wastewater Engineering: Treatment and Reuse, 4th Edition“ Metcalf & Eddy,
2003 values

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