Targeting Efficiency

Freeport Sewer District keeps waterways clean and reduces operating costs with energy-saving treatment plant upgrades.
Targeting Efficiency
The Freeport Wastewater Treatment Plant upgraded its aeration system and added an effluent thermal system, drastically reducing energy costs.

Three years ago, an energy audit of the Freeport (Maine) Wastewater Treatment Plant found many ways to save energy by upgrading old equipment, changing processes and insulating the building. Now the Freeport Sewer District is saving more than $90,000 in electricity and $25,000 in...

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