Industry

Maintenance and reliability in Power Generation

Quick answer

Power generation plants are measured on availability and forced-outage rate, where an unplanned trip carries both lost generation and market exposure, and where outage planning discipline decides annual performance. The biggest controllable losses usually sit in downtime, rhythm, throughput.

Common failure modes in power generation plants

Forced outages from boiler, turbine, or auxiliary failures.
Outage overruns that extend lost generation.
Balance-of-plant failures (pumps, fans, mills) that derate the unit.
Deferred work raising forced-outage risk.

Where these plants leak most

Downtime

Unplanned breakdowns, reactive maintenance share, and reliability drag.

Rhythm

Weak daily meetings, no KPI cadence, and no visible execution discipline.

Throughput

Bottlenecks, flow interruptions, and capacity lost to poor sequencing.

Size and reduce the loss

Ranges on this page are practitioner estimates drawn from operational experience across heavy industry, provided for orientation. Your actual figures will differ. The Diagnostic measures them against your own CMMS and downtime data.

Frequently asked questions

What causes most unplanned downtime in power generation plants?

Common causes include forced outages from boiler, turbine, or auxiliary failures; outage overruns that extend lost generation; balance-of-plant failures (pumps, fans, mills) that derate the unit.

What is a typical reactive maintenance percentage in power generation plants?

Under-managed sites commonly sit around 35 to 55 percent reactive, though the well-managed target is below 20 to 30 percent. These are practitioner estimates; the Diagnostic measures your real figure.

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