Energy Efficiency in Water and Wastewater Utilities – Ep 308

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Episode TCEP 308: Energy efficiency utilities are critical for reducing operational costs and enhancing the sustainability of water and wastewater systems. This episode examines how treatment plants can optimize energy use while ensuring process reliability and regulatory compliance. Listeners will discover practical approaches for integrating energy management into infrastructure projects.

What is Energy Efficiency Utilities?

Energy efficiency utilities involve optimizing the use of energy within water and wastewater infrastructure to reduce costs and environmental impact. This practice includes load shifting, equipment optimization, and leveraging flexible resources such as storage tanks to support grid stability and operational efficiency.

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What are energy efficiency utilities in water and wastewater systems?

Energy efficiency utilities refer to practices and strategies aimed at reducing energy consumption in water and wastewater treatment facilities. These include optimizing processes, load shifting, and using storage tanks to manage energy use effectively.

  • Optimize energy use in treatment processes
  • Load shifting through storage tanks
  • Participate in grid demand response

How can water tanks act as energy storage assets?

Water tanks can act like cheap batteries by storing water during low energy demand periods and releasing it during peak demand. This load shifting helps utilities manage grid reliability and reduce energy costs.

  • Equalize flow in wastewater treatment
  • Shift pumping to times of cheaper energy
  • Support grid stability with flexible operations

What unit process improvements reduce energy use without risking compliance?

Simple improvements such as lowering pressure in plant water systems, favoring more efficient pumps, and optimizing blower operations can reduce energy usage with minimal risk to compliance or process performance.

  • Lower unnecessary pump and blower pressures
  • Use best-performing equipment preferentially
  • Incremental changes build operator confidence

What is the role of demand response in energy efficiency utilities?

Demand response programs allow water and wastewater systems to reduce energy use during peak grid demand times, often for financial incentives, without harming treatment process performance.

  • Temporary load shedding benefits utilities
  • Facilities get paid for participation
  • Operators monitor system health during events

How does energy efficiency correlate with effluent quality improvement?

Optimizing energy use through processes like intermittent aeration can reduce energy costs and improve effluent quality by enhancing nutrient removal, such as reducing nitrogen levels.

  • Energy savings from optimized blower operation
  • Improved nitrogen removal in wastewater
  • Cost-effective compliance with environmental standards

Why is there more focus on energy use in the water sector now?

Rising electricity rates, increased energy demand, and stricter environmental regulations have increased awareness of energy efficiency as a controllable cost for water and wastewater utilities.

  • Energy costs are growing concern
  • Utility engagement is improving
  • Regulatory and measurement advances drive actions

What strategies help engineers gain buy-in for energy improvements?

Engineers gain buy-in by building trust, demonstrating low-risk energy savings, understanding regulatory requirements, and showing tangible cost benefits through small incremental improvements.

  • Establish credibility by understanding process
  • Start with no or low-risk energy changes
  • Communicate benefits clearly to stakeholders

How can professionals develop a rewarding career in energy efficiency utilities?

Focusing on a niche area such as energy efficiency in water and wastewater systems and becoming an expert can lead to diverse and rewarding career opportunities.

  • Find a technical or managerial specialty
  • Build deep expertise and networks
  • Seize emerging opportunities in energy-water nexus

What practical tips support daily success in energy efficiency roles?

Routine practices such as staying engaged with site operations, ongoing learning, and maintaining wellness through breaks like getting fresh air help sustain productivity and insight.

  • Maintain daily routines including outdoor breaks
  • Keep learning about process and technology
  • Engage with operating staff regularly

Enhance Your Energy Efficiency Skills

Join EMI training to gain practical knowledge and skills in energy efficiency for water and wastewater utilities. Learn how to implement cost-saving measures and optimize operations effectively.

Learn About PM Training For AEC Professionals →

Meet the Speakers

Anthony Fasano, PE, AEC PM, F. ASCE

Your Host

Anthony Fasano, PE, AEC PM, F. ASCE

Most AEC organizations are too busy to focus on attracting, developing, and retaining talented professionals, making it hard to grow. Through his work at EMI, Fasano utilizes a proven framework to help organizations, both public and private, build professional development plans, programs, and tools that help them attract, build, AND maintain strong teams and grow sustainably.

Fasano has written a bestselling book entitled Engineer Your Own Success (by IEEE-Wiley Press), and under his stewardship, EMI has built a massive content platform including 10 active podcasts, 3 YouTube channels, and a popular blog dedicated to helping AEC professionals become better managers and leaders.

Layne McWilliams, PE, JD

Guest Expert

Layne McWilliams, PE, JD

Principal Consultant and Treatment Group Lead at Parametrix

Layne McWilliams started his career on the jobsite of a large wastewater construction project and has been involved in the design, construction, and optimization of water and wastewater infrastructure for more than 30 years (good lord!). For the past 15 years, he’s focused on reducing the energy footprint in our plants and facilities, trying to atone for the energy sins he committed as a designer. As part of that effort, he spends a good deal of time helping water and wastewater systems through strategic energy management, designs that utilize efficient equipment and processes, and helping operators look at their plants through a new lens.
Layne has been heavily involved with PNCWA (now a happy Past President) and is the current chair of the energy committee for OrACWA. He is a recipient of the PNCWA Individual Distinguished Achievement award and an Energy + Environment 100 Leader award for his efforts in helping utilities become more efficient while improving process performance. He is a PE with a Mechanical Engineering degree from MIT and a law degree from Lewis & Clark Law in Portland, OR.

He lives in Hayden, ID, with his wife and two semi-ADHD goldens – one that hates water, and the other that hates loud noises. So, not much hunting, but they are great magazine coverdogs! Along the way, they’ve managed to get two fully functioning adults out into the world, and while they miss them, it’s also nice having the basement to themselves. Layne is the current Board President for North Idaho Court Appointed Special Advocates (CASA) and would like you to look up your local CASA, learn what they do, and see how you can help kids who are stuck at the intersection of abuse and the justice system.


Books Mentioned In This Episode

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This post was optimized to help you quickly find answers. For the full discussion, please listen to the audio episode or watch the video above.

 

Anthony Fasano, PE, AEC PM, F. ASCE
Engineering Management Institute
Author of Engineer Your Own Success

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