Cloud O&M for Utility-Scale ESS Projects
Cloud O&M is a remote operations platform that lets asset owners and operators monitor BESS projects in real time — essential for utility-scale ESS with hundreds or thousands of modules, multiple PCS units and complex EMS controls.

Why utility-scale ESS needs cloud monitoring
Manual inspection alone is not enough for projects with many battery modules, multiple PCS units, complex EMS controls, grid-interface requirements and long-term performance obligations. Cloud-based monitoring, data analytics, alarm management and remote diagnostics are needed to operate safely and efficiently.

What Cloud O&M monitors
A strong platform connects to the BMS, PCS, EMS, meters, thermal-management system and safety equipment to monitor:
- Battery SOC and SOH
- Cell and rack temperature, voltage deviation, cell imbalance
- PCS status and charge/discharge power
- Round-trip efficiency and cooling performance
- Fire-alarm and communication status
- Fault logs, availability and energy throughput
From reactive to predictive maintenance
Traditional O&M reacts after something goes wrong. Cloud O&M detects early signs before they become major failures — temperature drift indicating cooling imbalance, voltage deviation indicating cell inconsistency, repeated PCS alarms indicating component stress, abnormal SOC behaviour indicating control issues, or communication loss indicating network problems. Early detection reduces downtime and protects asset value.
Supporting banks, developers and owners
Cloud O&M gives banks better visibility over the financed asset, helps developers improve delivery and reputation, reduces post-commissioning disputes for EPCCs, and improves operational and financial control for owners. Solunar Cloud O&M supports real-time monitoring, alarm management, remote diagnostics, dashboards, battery-health tracking, EMS optimisation, reporting, fault prediction, multi-site management and investor reporting.
Frequently Asked Questions
A remote operations platform that lets owners and operators monitor BESS performance, safety and health in real time.
They are too large and complex for manual inspection — cloud monitoring, analytics and remote diagnostics keep them safe and efficient.
Yes. It gives banks and investors visibility and transparency over the financed asset’s performance and safety.
Have a Solar + BESS project to discuss?
Solunar supports EPCC companies, developers and asset owners with technology, integration and O&M.