All tools

Power Cut Production Loss Calculator

. Free, runs in your browser.

A power cut is not just lost units. It is idle labour, restart loss, scrap and missed contribution. Put a rupee value on downtime before comparing DG, UPS or storage.

Runs entirely in your browser. Nothing you type is uploaded or stored.

1Downtime patternThis records how often production is interrupted.
hrs/moUse your interruption log or production downtime record.
eventsCount outages that trigger restart, scrap or reset cost.
2Loss per hour and per eventThese numbers put finance language on downtime.
₹/hrAsk finance for contribution or gross margin lost per stopped hour.
₹/eventUse scrap, setup, heating, cleaning or reset cost per interruption.
₹/hrOptional hourly idle labour cost during power cuts.

The formula we use

monthly = hours*(contribution + idleLabour) + events*restartLoss

  • Uses your own production loss estimates, not an industry benchmark.
  • Does not include customer penalties, reputation loss or safety incidents.
  • Backup economics need capex, maintenance and reliability modelling.

Common questions

What is contribution loss per hour?

It is the margin or value lost for each hour production cannot run. Finance or production planning usually has the closest number.

Why count restart or scrap loss separately?

Some processes lose material, heat, setup time or quality after each interruption, even if outage hours are short.

Does this decide DG or battery size?

No. It prices downtime. Backup sizing needs critical load, runtime, starting current and reliability targets.