Battery Energy Storage System

Reliable off-grid power for critical remote infrastructure.

CTEPRIMA BESS solutions store clean energy and deliver dependable power where utility grid connection is limited, unstable or unavailable.

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Off-grid ready Solar + BESS + optional genset backup

Designed for 24/7 power availability, lower diesel runtime, remote monitoring and stable operation for mission-critical loads.

Solution Overview

Store energy when it is available. Deliver power when it matters.

Our off-grid BESS approach combines solar PV, hybrid inverter, battery energy storage and optional diesel generator backup into a resilient power system for isolated locations.

It is suited for remote assets that cannot afford downtime: communication sites, surveillance stations, security posts, island facilities and other distributed infrastructure.

Solar hybrid Remote monitoring Critical load support

System Architecture

A practical hybrid system for sites beyond the grid.

Energy is generated from solar PV, regulated through a hybrid inverter and stored in battery modules. A diesel generator can be integrated as backup for extended autonomy or emergency operation.

Off-grid BESS benefits and solar hybrid system diagram

Use Cases

Power continuity for assets that sit far from easy maintenance access.

BESS use case for remote communication tower
01

Communication Towers

Support telecom and agency communication sites with cleaner, steadier power for radios, transmission equipment, monitoring devices and network uptime.

BESS use case for remote coastal surveillance station
02

Remote Coastal Surveillance Stations

Keep camera, radar, sensor and control equipment operating at coastal sites where grid extension, refuelling and maintenance access are challenging.

Why BESS

Lower diesel dependency. Stronger power availability.

BESS helps remote operators reduce generator runtime, stabilize supply and maintain critical services day and night.

Energy independence Operate in isolated locations without relying on continuous grid connection.
24/7 availability Store excess solar energy and supply power through night-time or low-generation periods.
Reduced fuel cost Minimize diesel generator runtime, servicing and fuel transportation needs.
Remote visibility Monitor battery health, performance and operating status for better maintenance planning.
Stable power quality Maintain steady voltage and frequency for sensitive communication and surveillance equipment.
Scalable capacity Expand battery and solar capacity as site load demand increases.

Project References

Off-grid ESS experience across remote, island and security-site environments.

Selected reference timeline for ESS - Genset Hybrid and ESS - Solar - Genset Hybrid deployments.

2014
Felda Sahabat, Lahad Datu, Sabah System: ESS - Genset Hybrid
Singapore Defence Ministry System: ESS - Genset Hybrid
2015
Pitas, Sabah System: ESS - Solar - Genset Hybrid
Pulau Mabul, Sabah System: ESS - Solar - Genset Hybrid
Pulau Layang, Sabah System: ESS - Genset Hybrid
2016
Tabin, Sabah System: ESS - Solar - Genset Hybrid
Ranau, Sabah System: ESS - Solar - Genset Hybrid
2017
Pulau Jambongan, Beluran, Sabah System: ESS - Solar - Genset Hybrid
Terusan Sugut, Beluran, Sabah System: ESS - Solar - Genset Hybrid
2018
Tundun Bohangin, Sandakan System: ESS - Solar - Genset Hybrid
P. Manampilik, Sandakan System: ESS - Solar - Genset Hybrid
2019
Tundun Bohangin System: ESS - Genset Hybrid
2021
Police PGA Post, Pulau Tigabu System: ESS - Solar - Genset Hybrid
Police PGA Post, Terusan Sugut System: ESS - Solar - Genset Hybrid
Police PGA Post, Tg Pasir System: ESS - Genset Hybrid
2022
Police PGA Post, Pulau Adal System: ESS - Solar - Genset Hybrid
Police PGA Post, Tg Kiraz System: ESS - Solar - Genset Hybrid
2023
Police PGA Post, Tabawan System: ESS - Solar - Genset Hybrid
2024
Mile 16, Sabah System: ESS - Solar - Genset Hybrid
Bukit Tagasan, Sabah System: ESS - Solar - Genset Hybrid

BESS Enquiry

Plan your remote power requirement with us.

Share your site type, estimated load and location. Our team will follow up for technical discussion, sizing and next steps.

This opens your email app with the enquiry details addressed to CTEPRIMA.