What are the latest advancements in power plant technology and energy reliability? 

By Cory Marcon, Power & Energy Industry Marketing Manager at Endress+Hauser

Most conversations about power generation focus on producing reliable energy, yet water is just as essential to plant performance. It supports critical processes throughout the facility, including cooling systems, boiler feedwater treatment, steam generation, hydrogen production and wastewater management.

As water resources become increasingly strained and sustainability expectations rise, power producers face growing pressure to reduce consumption, improve efficiency and meet evolving environmental regulations.

Balancing these priorities requires a clear understanding of how water moves through the plant and how its quality impacts operations. Continuous measurement of key parameters such as flow, level and water quality provides the insight operators need to optimize performance, protect critical assets, reduce waste and maintain compliance. Effective water management begins with reliable data and a comprehensive view of the process.

Cooling systems are among the largest consumers of water in many power plants. Because these systems depend on efficient heat transfer, poor water chemistry can lead to scaling, corrosion and biological growth that reduce performance and increase maintenance costs. Continuous monitoring helps operators identify issues early and maintain optimal operating conditions.

Water is also the primary feedstock for green hydrogen production. Approximately 9 kilograms of water are required to produce 1 kilogram of hydrogen, and the water must be ultrapure to support efficient electrolyzer operation. Consistent monitoring helps maintain water quality and protect critical equipment.

In coal-fired facilities, wastewater must be treated and monitored before discharge. Continuous measurement provides the visibility needed to maintain compliance, verify treatment effectiveness and support responsible water management.

Better visibility into flow rates and process performance also helps power producers manage water consumption across the plant. Operators can identify inefficiencies, detect excessive water use and make informed adjustments that reduce waste while supporting sustainability goals. Across all of these applications, reliable monitoring helps improve efficiency, protect assets and conserve water resources.

Water quality has a direct impact on the reliability and efficiency of power generation equipment. Even minor changes in water chemistry can create conditions that lead to corrosion, fouling and scale buildup throughout the plant. Over time, these issues can reduce heat transfer efficiency, restrict flow, damage critical assets and increase maintenance costs. Left unaddressed, poor water quality can contribute to unplanned downtime that affects both production and profitability.

To maintain reliable operations, power producers continuously monitor key water quality parameters throughout the process, including:

• Conductivity to identify dissolved solids and impurities

• pH to detect conditions that may promote corrosion or scaling

• Turbidity to monitor suspended particles and treatment performance

• Flow to track water usage and verify process efficiency

These measurements provide valuable insight into process conditions and help operators make informed decisions. Continuous monitoring helps detect problems early, protect equipment and maintain reliable operation. Small changes in water chemistry can quickly become major operational challenges if they go undetected.

Water quality can be monitored using advanced industrial process instrumentation, including Endress+Hauser flowmeters, liquid analysis sensors, temperature and pressure devices.

Boilers and turbines are valuable assets in a power plant, making water chemistry control a critical part of reliable operation. Even minor imbalances in water quality can contribute to corrosion, scale formation and deposit buildup that reduce efficiency and increase the risk of unplanned downtime. To help protect equipment, operators continuously monitor feedwater, condensate and steam throughout the steam cycle.

Key parameters such as conductivity, pH, dissolved oxygen and silica provide early warning signs of contamination or chemistry excursions. By identifying changes before they become serious problems, plant teams can take corrective action to protect equipment performance and extend asset life.

A Steam and Water Analysis System (SWAS) continuously tracks these critical water chemistry parameters to help prevent corrosion, deposits and costly failures. By delivering real-time insight into steam cycle conditions, SWAS supports more informed operational decisions while helping plants maintain compliance with equipment manufacturer requirements.

The value of continuous monitoring is demonstrated in biomass combined heat and power (CHP) applications, where maintaining strict steam purity standards is essential for reliable turbine operation and warranty protection. With greater visibility into water chemistry, operators can reduce risk, improve reliability and safeguard long-term plant performance.

Water supports nearly every stage of power generation, from cooling systems and hydrogen production to wastewater treatment and steam cycle management. Each application presents unique operational challenges, making effective water monitoring essential for maintaining reliability, efficiency and regulatory compliance. As plants work to balance performance goals with sustainability expectations, greater visibility into water quality and usage is becoming increasingly important.

As water becomes an increasingly valuable resource, power producers need accurate, real-time insights into water quality and consumption. The right instrumentation can help reduce waste, improve efficiency and protect critical assets across the entire power value chain.

Why is water management important in power generation?

Water is essential to many power plant processes, including cooling, steam generation, hydrogen production and wastewater treatment. Poor water quality or inefficient water use can lead to equipment damage, higher operating costs, reduced efficiency and regulatory challenges. Effective water management helps plants optimize performance, conserve resources and maintain reliable operations.

How do power plants monitor water quality?

Power plants use continuous monitoring systems and laboratory testing to track key water quality parameters throughout the facility. Common measurements include pH, conductivity, dissolved oxygen, turbidity and silica. By monitoring these indicators in real time, operators can identify potential issues early and make adjustments before they impact equipment or plant performance.

What is a SWAS system?

A Steam and Water Analysis System (SWAS) is a monitoring system used to measure critical water chemistry parameters within a power plant’s steam cycle. It continuously analyzes samples from feedwater, condensate and steam to help operators detect contamination, corrosion risks and deposit-forming conditions. Maintaining proper steam and water chemistry helps protect boilers, turbines and other critical assets.

How can water monitoring improve plant reliability?

Continuous water monitoring provides early visibility into changes that could affect equipment health and operational performance. By identifying issues such as contamination, corrosion or process inefficiencies before they escalate, plant teams can reduce unplanned downtime, extend asset life and improve overall reliability. Better water insights also support more informed decision-making and help facilities operate more efficiently.

To learn more about industrial instrumentation for power and energy operations or to speak with an Endress+Hauser expert, click here.