The Glass CHP · CHP

Maintenance costs per kWh?

Ventilation/dehumidification — the silent 24/7 load, with heat recovery. Part of the glass family — like our glass BESS, biogas plant and CHP.

Maintenance costs per kWh?
Outdoor air Fresh air Heat recovery Heating coil Hall Exhaust
Glass-box in 4 steps

Understand → See it live → What the AI does → Your benefit

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Understand
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See it live
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What the AI does
Your benefit

What are maintenance costs per kWh?

Maintenance costs for gas engine CHP units depend on make, age and full load hours; the relevant cost items are oil changes (every 2,000 h), spark plugs (4,000 h) and the major service (8,000 h) — qualitatively: typically in the range of a few cents/kWh.

The plant — right now

connects… · anonymous reference plant · read-only from the process control system, operating hours calculated in-house … h Starts … RPM … 1/min Target output … kW Excerpt from … plant measurements. To the detailed explanation page with video →

What the AI reads from these values

What the AI reads
  • Cycles for oil changes (typically every 2,000 operating hours)
  • Replacement intervals of the spark plugs (approx. 4,000 hours)
  • Execution of the major service to check engine components (8,000 hours)
  • Analysis of the specific maintenance costs per kWh to determine the operating cost baseline
Scenario

Monitored: continuous

The scenario: cycles the CHP unit too frequently, wear increases without an alarm being triggered, leading to a shorter service life and higher maintenance costs. The AI: detects the unfavourable operating pattern early and suggests a steadier mode of operation. It identifies the trend before the limit value is reached.

Why this matters

Precise recording of maintenance cycles minimises unplanned downtime and ensures the long-term service life of the CHP unit. Knowledge of the baseline enables an exact calculation of the marginal costs per kilowatt-hour produced. This serves as a basis for decision-making for planning spare parts inventory and maintenance budgets. Work produced per year (kWh) · Nominal output (kW) → — Full load hours/year Calculation: work produced ÷ nominal output

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