This guide introduces the most important Key Performance Indicators (KPIs) in BESS operations, what they tell you, and how to use them in practice.
from TWAICE
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Guides & Reports
The Essential Guide to BESS Performance KPIs
May 28, 2025
Understanding What BESS Metrics to Track and Why
Battery Energy Storage Systems (BESS) represent a major source of commercial value, but unlocking that value depends heavily on how they're operated. For new operators stepping into the world of BESS, knowing which metrics to track is essential to ensure safety, efficiency, and a solid return on investment.
Here is what the guide covers:
Operational Performance
- State of Health (SoH)
- Round-Trip Efficiency
- Energy Throughput
- Equivalent Full Cycles
- Availability, Usable & Recoverable Energy
- Imbalances
Warranty
- Cycles (Penalty & Warranty-Related)
- Depth of Discharge Profile
- State of Charge Range Adherence
- State of Health (SoH)
Safety
- DC Resistance
- Temperature Anomalies
- Voltage (Spread) Anomalies
- Self-Discharge
- Deep Discharge or Overcharge
- Weak Cells
Market & Financial
- Revenue per MWh
- Power Price per MW or MWh
Download the guide here:
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