A captive or biomass power plant rarely fails loudly. It loses efficiency a little every shift. Here is how to see it while it is still small.
Most power plants do not fail loudly. They drift. Heat rate rises a little, auxiliary consumption creeps up, fuel with more moisture than the bill says is burnt as if it were dry. No single shift looks wrong. The month does.
For a plant that supplies its own factory, every extra unit of fuel per unit generated is money the factory pays without knowing why.
Why drift is hard to see
The logbooks are full. Operators record steam, pressure, temperatures, units and fuel fed, every hour. But they are on paper, and turning them into heat rate and auxiliary use for every shift is a calculation nobody has time for. So the trend is seen only when the monthly figures are typed up, long after the cause has passed.
Fuel quality is the other blind spot. Coal, biomass or husk arrives with a bill that states its weight. Its moisture and calorific value decide how much power it really gives, and those are often measured but not tied back to what was paid.
What good looks like
In a well-run plant, the shift engineer knows at the end of every shift how much fuel was burnt for each unit generated, and how that compares with normal. Fuel suppliers are paid for the quality they delivered. Maintenance is planned from the equipment's history, not after it trips.
How to start without software
At the end of each shift, write two numbers on one line: fuel fed and units generated. Divide them. Plot a week of it. You will see your normal, and you will see the days that were not.
Where AI helps
- Operators speak logbook readings in Hindi or English, and the log is made.
- Fuel against generation, heat rate and auxiliary use are worked out every shift, and an agent flags drift the same day.
- Fuel receipts and lab reports are read from a photo, so moisture and calorific value are tied to each truck and to what you pay.
- Trips and outages are logged with their causes, and equipment that keeps failing is flagged before the next outage.
- Certificates and consents are tracked: boiler, pollution and electrical inspection dates never surprise you.
Engineers still decide what to change. The AI makes sure they see the drift while it is a small adjustment, not a large bill.
Where to start
Start with fuel against generation, every shift. We have set out how this works for captive and biomass power plants.