Water treatment plants account for over one-third of total municipal energy consumption.

Energy Efficiency Solutions That Work
Ontario wastewater plants can significantly increase their electricity savings by Using combined heat and power (CHP) systems.

  • Plants that already have anaerobic digestors are good candidates for these systems.
  • Looking for ways to optimize their plant’s aeration systems.
  • Over-aerating water during off-peak hours when electricity rates are lower.
  • This will reduce peak demand.

Drinking water treatment plants can also reduce their energy consumption by optimizing their pumping systems.

To reduce peak demand when electricity costs more, they can schedule pumping during off-peak hours when electricity costs less.

High-lift pumps represent the biggest opportunity for load shifting. Approximately one-half of all drinking water treatment plants in Ontario can shift their energy loads because they have sufficient water storage.

Read more: Energy Efficiency Solutions