END-TO-END BESS SERVICES

From Energy Challenge
to Operational Asset.

Green Tenaga brings engineering, integration, project execution and lifecycle support under one accountable team—helping organisations deploy safer, reliable battery energy storage systems across Singapore and Southeast Asia.

30+ GWhintegration experience
24/7field support
ISO9001 · 14001 · 45001
Green Tenaga team carrying out BESS field operations
ONE ACCOUNTABLE PARTNERDesign → Delivery → Operations
WHY GREEN TENAGA

A BESS project is only as strong as the interfaces between its parts.

Battery cells, power conversion, controls, fire protection, grid connection and site works must perform as one system. We manage these critical interfaces from early feasibility through commissioning and long-term operations—reducing coordination gaps, technical risk and delivery friction.

Discover the Green Tenaga difference →
FULL PROJECT LIFECYCLE

One integrated delivery pathway.

Support can be engaged as a complete turnkey scope or tailored to the needs of your project.

01
ASSESS

Build the technical and commercial case.

We translate site constraints, load profiles and business objectives into a practical BESS concept—before major capital is committed.

  • Site and load-profile assessment
  • Application and use-case definition
  • Preliminary system sizing
  • Feasibility and ROI analysis
  • Grid and regulatory pathway review
ENERGY MANAGEMENT SYSTEM

Intelligence that turns storage into value.

Our EMS connects operational visibility with real-time control—helping your BESS respond intelligently to site demand, energy prices and asset conditions.

01MonitorReal-time energy flow, battery health, alarms and system performance.
02ControlCoordinate charging, discharging and load priorities across operating modes.
03OptimiseUse analytics and automated strategies to improve efficiency, availability and asset life.
GREEN TENAGA · EMS
System Overview● LIVE
STATE OF CHARGE78%
SYSTEM STATUSNormal
POWER412 kW
GRID320 kW
BESS+92 kW
LOAD412 kW
DELIVERY ASSURANCE

Engineered for the realities of deployment.

Strong governance, disciplined testing and responsive support are built into how we deliver.

01

Safety & Compliance

System design and documentation aligned to applicable IEC, UL and local regulatory requirements.

IEC 62619 · UL 9540A · UL 1973
02

Quality by Process

Quality, environmental and occupational safety systems embedded across project delivery.

ISO 9001 · ISO 14001 · ISO 45001
03

Verified Performance

Factory and site acceptance testing validate system functionality before operational handover.

FAT · SAT · Commissioning
04

Lifecycle Support

Remote diagnostics, planned maintenance and field service protect reliability after deployment.

Monitoring · O&M · Field Response
Green Tenaga operations and field service team
REGIONAL
READINESS
Singapore headquarters
Southeast Asia capability
OPERATIONS & MAINTENANCE

The engineering promise continues after handover.

At the front line of our operations, our service team translates system design into sustained real-world performance. Every deployment, inspection and intervention is planned with technical precision and operational discipline.

  • Scalable service networkStructured to support a growing fleet of BESS assets across the region.
  • Coordinated technical responseField teams work closely with engineering for faster diagnosis and resolution.
  • Asset-lifecycle focusMaintenance informed by system condition, operating duty and performance data.
START WITH YOUR PROJECT

Planning a BESS deployment?

Tell us your site requirements, energy objective and project timeline. Our team will help define the right next step.

Request a BESS Assessment ↗