Energy retrofit projects earn Edmonds treatment plant $$$

Dec 28, 2012

The City of Edmonds has been notified by the Snohomish County Public Utility District No. 1 that it will receive a total of $29,400 in electricity cost reimbursements for participating in its commercial energy retrofitting program throughout 2012.

The City’s wastewater treatment plant, operated by the Department of Public Works & Utilities, is expected to conserve over 118,033 kilowatt hours per year as a result of two projects while continuing to reduce the City’s overall carbon footprint.


1. The retrofitting of all of the light fixtures at the wastewater treatment plant and the addition of lighting control sensors will provide an estimated 20,033 kWh savings amounting to a $1,402 per year decrease of electrical lighting costs.

2. A major project involving effluent piping modifications and improving gravity flow pump station controls will provide an estimated 98,000 kWh savings amounting to a $6,762 per year decrease in electrical operations costs.


The Public Works & Utilities Department’s wastewater treatment plant is the single largest consumer of electricity within Edmonds local government, and the City expects to make further equipment retrofitting and power conservation improvements to the wastewater treatment plant throughout the coming year.

“By proactively managing and investing in energy efficiency improvements our staff is working to stabilize or decrease daily operating costs without sacrificing the level of performance of our wastewater treatment plant,” says Mayor Earling. “That’s our goal and the very definition of adding value to City operations through targeted investments.”

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