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Energy-efficient wastewater treatment

Boost the energy efficiency of wastewater treatment plants and even become net positive. A step by step approach unlocks potential at any starting point – increase transparency, optimize energy management, and future-proof your infrastructure. This helps you reach net zero faster.

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The energy challenge facing wastewater utilities

Wastewater utilities are under growing pressure to meet stricter energy-neutral regulations, such as the EU Urban Wastewater Treatment Directive. Yet many still operate with aging infrastructure and energy-intensive processes like inefficient aeration.

At the same time, a lack of transparency and actionable energy-efficiency data makes it hard to optimize operations – like deciding where to install variable frequency drives. Financing remains another barrier, as retrofitting or upgrading systems requires significant upfront investment despite limited budgets.

Challenges for WW utilities: Regulatory compliance, financing, high energy costs, aging infrastructure, and lack of data

Energy efficiency as the key lever

It is time to set the course for a more energy-efficient future where wastewater utilities can reduce costs, comply with regulations, and prepare their infrastructure for decades to come.

Energy efficiency boosts reliability and performance

Maximize reliability and performance

Maximize performance with energy-efficient solutions to ensure a reliable, cost-effective wastewater disposal.

Energy efficiency relies on data-driven insights

Maximize data utilization

Seamless integration of hardware, software, and services ensures complete data visibility and helps identify savings opportunities.

Energy efficiency enables higher environmental protection

Maximize environmental protection

Accelerate your path to net zero operations with energy-efficient solutions and future-proof infrastructure.

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Optimize the design phase

Finding the most efficient design or layout for new plants or planning upgrades to existing plants is critical. Optimizing the design phase has a significant impact on total cost of ownership (TCO). Siemens solutions and consulting services help you optimize the plant in the design phase, including power, piping, pump design/selection, automation and process design.

Energy efficiency begins with the design and engineering phase
Right mix of secure, sustainable, and efficient power supply

Right mix of secure and efficient power supply

Resource-efficient dimensioning of electrical components with compliance to technical parameters and standards.

Efficient process and hydraulic system design

Efficient process and hydraulic system design

Use simulation to optimal process and hydraulic systems design to ensure energy efficiency, and resilience operation.

Multi-energy model consulting

Multi-energy model consulting

Flexibly model multi-energy systems to make strong investment decisions, achieve lowest total expenditures, and implement low-cost decarbonization measures.

Aerial view of a wastewater treatment plant

Flexible energy supply for wastewater treatment

Would you like to make more confident decisions? Discover our eBook, which will help you become more competitive!

Case studies

Discover how others are approaching their challenges

A water treatment plant with a large water tank and a building in the background.

Energy management for wastewater treatment plant 4.0

Acciona technology, Spain

Discover in the video how Siemens and Acciona technologies help Canal de Isabel II reduce costs and make the wastewater treatment plants more sustainable and energy efficient.

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