Your Energy Management System Can’t See Inside Your Battery. BESS Analytics Can.
See how owners and operators use BESS analytics to reduce risk, optimize performance, and maximize lifetime performance and value.
Operating a Utility-Scale Battery Without BESS Analytics is Risky
Utility-scale BESS are complex, high-value assets. Without visibility into what’s happening inside, they can quietly degrade, overheat, or operate outside warranty terms—leading to major performance and financial risks.
EMS: Effective Control, But No Insight Into Battery Health
EMS software is designed to make operational decisions: when to charge, when to discharge, how to follow grid signals, or respond to market prices. However, an EMS is not built to understand what’s happening inside the battery.
That means:
- Early signs of failure such as a hot cell or weak string are missed
- Systems are over-cycled for short-term revenue without realizing warranty thresholds are breached
- Cell failure can cascade until a full string is derated and before any alarms are triggered
- Unexpectedly fast capacity degradation forces augmentation ahead of schedule
If your only tool is EMS, these problems are invisible until it’s too late.
EMS vs. BESS Analytics: What’s the Difference?
Utility-scale BESS are complex, high-value assets. Without visibility into what’s happening inside, they can quietly degrade, overheat, or operate outside warranty terms—leading to major performance and financial risks.
| EMS | Bess Analytics | |
| Primary Role | Control BESS dispatch in real time | Understand and protect a BESS portfolio performance and health over time |
| Focus | Maximize short-term market revenue and provide immediate safety intervention | Maximize long-term asset value and detect issues in advance |
| Data Visibility | Inverter and system-level only | Cell, module, string, system and PCS-level |
| Key Benefits | Dispatch control Basic alerts | Failure prevention Root-cause diagnostics Warranty compliance Safety insights Battery health tracking |
| Deployment | Dispatch control, basic alerts | Cloud-based, accessible anywhere |
What You Get with BESS Analytics
BESS analytics turns detailed system data into clear and actionable insights, helping you make smarter, more data-driven decisions about how to operate your BESS, all through a cloud-based, user-friendly interface.
Warranty and Contract Confidence
- KPIs aligned with warranty terms
- Usage & operations (cycle and throughput tracking)
- Performance & efficiency (availability, round-trip efficiency (RTE))
- Health & degradation (SoH)
- Auto-generated warranty compliance reports
Safety Monitoring
- Detect thermal, resistance, and self-discharge anomalies
- Catch issues before alarms go off
- Identify faulty cells before they impact strings
Performance & Degradation Management
- Compare across sites, suppliers, and chemistries
- See availability, usable energy, and RTE in context
- Get recommendations to improve uptime and efficiency
- Ongoing SoH tracking
Team Collaboration
- Automated BESS performance reports
- In-app note-taking and issue tracking
And a lot more...
Still Just Using an EMS?
That’s like managing a multi-million-dollar fleet without a dashboard.
An EMS alone isn’t enough. Even with a top-tier EMS, there’s no visibility into what’s happening inside the battery. That’s where BESS analytics comes in to help teams:
But Don’t Take Our Word For It
Read how other leading energy owner and operators use TWAICE to protect, operate, and optimize their BESS investment over the lifetime:
Customer Story: Co-locating Solar and Storage
InterEnergy co-located solar and storage. Laura Perez Amigo, Operations Manager at InterEnergy talks about her learnings from operating a BESS for the first time.
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Customer Story: BayWa r.e.
Julian Gerstner from BayWa r.e. shares his learnings for a successful battery storage operation. Julian leads grid scale storage projects and explains why companies need to 'think BESS' to champion the renewable energy transition.
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Case Study: De-Risk Deployment and Scaling of BESS
Learn how VERBUND de-risked deployment and scaling of battery energy storage systems using TWAICE's Digital Commissioning.
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