Checking in Down Stream: Metro’s Net Zero Water Treatment Facility 2 Years In

November 21st, 2016

Two years into operation Metro’s solar powered high efficiency water treatment facility continues to work as designed by producing as much energy as it needs on-site to perform the entire subsurface water treatment process.

img_8151According to Basil Borisov, Environmental Engineer at Metro’s Office of Environmental Management and Industrial Hygiene, “During the summer of 2016, the Largo Water Treatment Facility has been generating more power than it uses.  The monthly surplus of electricity has almost reached 300 kWh; for comparison, a typical refrigerator uses 50 to 100 kWh per month.  Excess electricity was generated on more than 25 days out of each month.”


Clean energy water treatment supporting a clean Bay – keep up the good work.


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  1. WRD
    November 22nd, 2016 at 21:02 | #1

    PJM-W ATC power prices were somewhere between $25/MWh (March) and $33/MWH (August), hovering around about $31/MWh.

    So if you’re receiving the unadjusted wholesale PJM ATC price of power, this works out to a cash benefit of $9,300 per month?

    (300 kWh is .3 MWh, multiplied by the monthly price of $31 per MWh)

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