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The Glass CHP · Battery storage

State of Health (SoH) estimation

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

State of Health (SoH) estimation
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
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Your benefit

What is SoH (State of Health) estimation?

> SoH estimation (State of Health) is a critical metric for quantifying the degradation of a battery cell or module in the battery energy storage system (BESS). It relates current capacity to the original nominal capacity and is essential for life cycle planning according to IEC 62933. Precise SoH determination enables End-of-Life (EoL) prediction and ensures the technical integrity of the system.

No own register — honestly

For this component, no dedicated register is connected; therefore, no example value is provided here. Where the system measures, the value is read as read-only and calculated internally. It is visible via connected components.

What the AI reads in this component

What the AI reads
  • Loss of nominal capacity as an indicator of remaining cycles
  • Increase in internal resistance to identify cell ageing
  • Charge curve deviation to determine effective storage capacity
  • Determination of the degradation rate to plan replacement investments
Scenario

Monitored: continuous

The scenario: > Monitoring: continuous · Deviation over cycles The scenario: a slowly increasing deviation remains unprotected until capacity drops significantly. The AI: detects the steady trend early — ageing becomes predictable. It identifies the trend before the limit is reached.

Why it is important

Precise SoH monitoring minimises downtime and optimises the payback period through targeted maintenance intervals. Knowledge of the exact degradation state enables precise calculation of the Remaining Useful Life (RUL). This ensures planning certainty for BESS profitability over the entire project cycle. highest cell voltage (mV) · lowest (mV) → — mV spread Calculation: highest − lowest

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Standards & norms

What the rules require — State of Health (SoH) estimation

Grounded in the applicable national standards for battery energy storage systems. Same knowledge base as the European reference plant; presented anonymously.

Basis: the applicable national standards. Values shown are those measured on the plant, not target figures.