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
Download the content
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:
.webp)
Webinar
Product Webinar: What’s New with TWAICE Energy Analytics (Summer ’25 Edition)
Join the next product webinar and explore the newest features designed to help BESS owners and operators improve revenue, performance, safety and warranty management.
Related Resources
Unlock Key BESS Insights: Download the BESS Pros Survey Report
We asked over 80 professionals about their priorities and challenges when operating BESS. The result? Our BESS Pros Survey Report. Find out what's shaping BESS operations
Insights from EPRI's BESS Failure Incident Database
This report is intended to address the failure mode analysis gap by developing a classification system that is practical for both technical and non-technical stakeholders.
TWAICE Vision Summit 2024 Report
The TWAICE Vision Summit is a conference about the importance of software in a battery-powered future. Speakers from leading companies in the electric vehicle, energy and battery industries discussed its challenges. Our report highlights the main findings of the conference.
New Data Reveals Top Concerns, Tech Gaps and Technical Issues Faced by BESS Professionals
Read a summary of the key insights from the BESS Pros Survey Report. The report provides a snapshot of the most pressing concerns in the field today, highlighting key operational pain points and areas for improvement.
How to Maximize Energy Storage Revenues During Peak Demand – Summary of Energy Storage News Webinar
If you’re in the energy storage game, you probably already know that a few key days can make or break your revenue for the year. But are you fully prepared to take advantage of them? That was the hot topic in our latest webinar with Energy Storage News.
.webp)
Infographic: 5 Steps to Maximize the Value of BESS
Understanding how to optimize BESS is essential for maximizing economic and operational benefits. Our infographic breaks down five practical steps.