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Articles in support of small community water and wastewater operators.

Energy Efficiency Resources for Small Utilities

Energy Efficiency Resources for Small Utilities

On a typical day at the plant, water and wastewater system personnel are challenged to do a lot with a little in the service of protecting and producing water for their community. Certainly one way staff members are demonstrating this resourcefulness has been in their adoption of energy efficient strategies and programs. 

Why is this important? Simply stated, saving energy can help small systems put their scarce resources towards what really matters: safe drinking water and clean wastewater discharge.  

According to Wisconsin's Focus on Energy Best Practices Guide for the Water and Wastewater Industry, additional benefits to water systems include improved control and treatment as well as shorter paybacks compared to other industries on capital costs for energy efficiency improvements. Of course, the amount of energy savings will vary depending on the type of system in use, the age and condition of the equipment/infrastructure and the capital available to implement major changes, if necessary. 

But even if you have little to no capital available to make improvements, energy savings are still very much possible! This resource from the U.S. Department of Energy, and this list from ORACWA, for example, list the many low or no-cost measures plants can take to save energy, and therefore, money. 

But before you start an energy savings programs, the EPA recommends that you conduct an energy audit or assessment of your system. Free tools for doing this can be found on the EPA's Energy Efficiency for Small Drinking Water Systems webpage, or you can view this webinar recording. In addition, the Rural Community Assistance Project (RCAP) staff across the United States may be able to carry out energy audits for drinking water and wastewater facilities. Find the contact information for your RCAP region at https://rcap.org/contact/.

The next step is to identify the easy targets. RCAP has an article (Five Things You Can Do To Save On Energy in Your Utility) and a video to help you do this. In addition, the EPA has a step-by-step presentation on energy self-sufficiency and the role new technologies can play to help you achieve this. 

Other resources include: 

Finally, here are some energy facts that might just surprise you! 

  • Over 90 percent of energy consumed in producing and delivering drinking water is used for pumping. 
  • 30 to 60 percent of a municipality’s energy budget is spent on the treatment of water and wastewater.
  • According to the U.S. Dept. of Energy, energy audits typically identify potential savings to the user of 10 to 40 percent, with 20 percent being the average.

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