Water Practice Case Study

Wastewater Plant Upgrades in Southern California - Project 2


Total Cost Savings Identified
Proposed Savings (kWh)
Proposed Savings (kW)

Main Problems

  1. Non-automated control systems
  2. Excessive hydrogen sulfide generation in collection system and mitigation activities


Plant Type

Activated Sludge

Plant Size (MGD)


The AESC team was invited to this wastewater agency to develop a city-wide list of potential energy efficiency measures (including payback) and to assist with creation of energy efficiency programs that would achieve the City’s energy efficiency-related climate goals. The AESC team also developed a demand response targeted assessment, a list of measures to implement when needed, and wrote a standard operating procedure designed to respond to a demand response request that resulted in a load shed potential of 125kW.

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