Know which transients need investigation
One multidimensional score condenses how far the full event departs from its reference. Teams can screen recurring transients quickly and decide which events justify deeper analysis.
Extend monitoring to critical transients
Monitor starts, stops, and load changes to identify abnormal behavior, focus investigations, and help protect plant availability.
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The operating challenge
Critical transients become operational blind spots
Flexible operation is increasing starts, stops, and load changes across nuclear and conventional fleets. Manual review cannot keep pace, so abnormal behavior can remain unexplored until an operational issue occurs.
At EDF, nuclear modulation volume and CCGT shutdowns and restarts doubled between 2019 and 2024. Source: EDF, 2026
Dynamic behavior hides deviations
Expected values change throughout the sequence, making abnormal behavior difficult to distinguish.
Manual review does not scale
Replaying trends and comparing equivalent events takes time, specialist knowledge, and consistent historical data.
Investigations begin too late
Teams often examine a transient only after a trip, start-up delay, or performance issue has made the problem visible.
Why Metroscope
Turn complex transients into focused investigations
Summarize the event, identify the measurements behind the deviation, and reconstruct how the sequence developed.
See where to look and why
Sensor contributions rank the measurements driving the overall deviation. Plant teams know where to begin and why those signals deserve attention.
Understand how the deviation developed
Expected ranges and multi-signal comparisons show when and how the event diverged. Teams can relate the sequence to operating conditions and other plant evidence to guide the next checks.
Evidence from a CCGT application
Investigating a loss after a hot start
After a hot start, Diagnostics identified a loss of up to 6 MWe. Transient Monitoring then helped the team identify the drain valve involved.
Explore complementary modules
Diagnostics
Where are we losing performance?
Identify simultaneous causes of power and efficiency losses and quantify their individual impact.
See moduleAnomaly Detection
Which equipment needs attention first?
Monitor system reliability by detecting and investigating abnormal equipment behavior.
See moduleCapacity Forecast
What can the plant deliver?
Forecast available power and associated heat rate based on plant and weather conditions.
See moduleExplore how Transient Monitoring can support your plant’s investigations