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Real site outcomes

Mobile battery energy storage, proven across Singapore's demanding worksites.

Twelve deployments of our BESS units, from underground tunnels and MRT night works to containerised site offices, data centre backup and mobile welding. Different loads, different constraints, the same answer: put clean power where the work is.

Battery energy storage systems deployed across Singapore

As of 2026

Clean energy supplied through our BESS fleet

And climbing every month

Cost savings achievable against diesel generator sets

Up to, on hybrid deployments

Tonnes of CO₂ avoided per year on a six-storey site

Modelled against a 125 kVA diesel genset

Cost and emissions figures are modelled on a six-storey building drawing roughly 60 kW for 10 hours a day, 30 days a month, comparing a 125 kVA diesel generator set against a hybrid EH-One+ and EH-Cube+ battery energy storage deployment. Your figures will depend on your actual load profile.

Case studies

Twelve projects. Twelve different power problems.

Each one started with a diesel generator doing a job it was never efficient at. Hover to stop the carousel, drag to move it, or use the arrows.

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EH-One+ battery energy storage system powering a containerised site office in Singapore

Site container office

Container office power optimisation

Daily operations needed continuous power for container offices and site administration through extended working hours. Diesel gensets were running low-load all day just to keep the lights and air conditioning on.

Reduced diesel generator runtime for daily site operations
Lower fuel consumption across extended working hours
Quieter, cleaner working environment around site offices
Low-load demand shifted from diesel to BESS

China Harbour Engineering Company

Perennial Living @ Parry Ave

Construction of Singapore's first private assisted-living development, inside a sensitive residential neighbourhood. Temporary power was needed without noise, fumes or disruption to residents next door.

Reduced reliance on diesel generators in a residential setting
Lower noise levels during ongoing works
Clean, low-emission power delivery
Flexible deployment across evolving construction phases

Battery energy storage system supporting testing and commissioning at Skywaters Residences

China Harbour Engineering Company

Skywaters Residences, testing and commissioning

Temporary power was required to support testing, commissioning and site readiness before full-scale operations. Diesel-based temporary setups would have added noise, emissions and logistical constraints during early-stage validation.

Supported critical testing and commissioning activities
Reduced dependency on temporary diesel setups
Clean, low-noise power inside an active construction site
Less cabling and faster deployment between phases

Battery farm data centre

UPS application for mission-critical systems

A battery farm data centre needed reliable backup power to safeguard critical systems. Mission-critical infrastructure demands instant-response support where delayed switchover is not acceptable.

Instant backup power for critical systems
Operational continuity with zero disruption
Stable power in a high-dependency environment
Reduced reliance on conventional diesel-based backup

LTA civil engineering works

Multi-zone deployment and commissioning

Large-scale civil engineering works needed dependable temporary power across multiple active work zones. Traditional generator setups created inefficiency through noise, emissions, cabling constraints and continuous runtime.

Reduced reliance on diesel generators
Lower operational noise across active work zones
Cleaner operations aligned with sustainability targets
Mobile deployment supporting multi-zone activities

Jurong Region MRT Line

Night operations in noise-sensitive zones

Large-scale MRT construction needed reliable temporary power for night-time operations during restricted working hours, where continuous diesel usage creates noise, fumes and unnecessary generator runtime.

Compliant night operations in noise-sensitive environments
Reduced reliance on continuous diesel runtime
Lower noise levels across active work zones
Operational continuity during critical construction phases

Civil road works

Powering road works and jet wash operations

Civil road works and jet washing needed dependable mobile power across shifting work zones. Diesel setups introduced noise, emissions, wiring constraints and logistical inefficiency in dynamic roadside environments.

Reduced diesel dependency across mobile work zones
Flexible deployment supporting shifting site requirements
Lower noise and emissions in active road environments
Cleaner, more controlled site conditions

Battery energy storage units deployed for HDB breaker works in a residential estate

HDB upgrading works

Breaker works inside residential blocks

Temporary power was needed for breaker operations within residential blocks and shared public areas. Tapping HDB power meant long approval timelines, while diesel meant fumes and long cable runs near residents.

Faster mobilisation with reduced approval lead time
Minimal wiring infrastructure required
Zero fumes within residential environments
Significantly lower noise during works near residents

Modular BESS units delivering three phase power for gondolas and a pressure washer

Residential estate works

Gondolas and pressure washer, three-phase on demand

Estate works required three gondolas and a pressure washer running simultaneously. Securing three-phase power in residential zones is complex and slow, delaying works and limiting flexibility.

Significant reduction in three-phase power application lead time
Modular scalability based on real-time load
Quiet, emission-free operation in sensitive estates
Plug-and-play deployment without infrastructure upgrades

Battery energy storage delivering hand tool power in an underground basement work zone

Underground and basement works

Hand-tool power in confined spaces

Underground and basement tunnel works needed reliable hand-tool power in enclosed spaces. Diesel was unsuitable because of fumes, ventilation, complex earthing requirements and installation downtime.

Zero emissions in confined environments
No complex earthing setup required
Reduced installation and wiring downtime
Improved worker safety and ventilation conditions

EH-One+ battery generator powering plastic welding equipment for underground tunnel works

Vortex Engineering

Plastic welding works for underground tunnel

Plastic welding inside an underground tunnel meant sustained single-phase load in a confined space with no tolerance for exhaust fumes and no easy route back to a fixed supply point.

Welding equipment powered directly at the work face
No exhaust fumes in an enclosed tunnel environment
Long cable runs back to the supply point removed
Unit repositioned as the welding front advanced

Signmechanic Engineering

Battery power for welding operations

Welding sets draw hard, uneven current in short bursts, exactly the duty that leaves a diesel generator idling inefficiently between arcs. The EH-One+ carried the load instead.

Two welding sets run from a single portable BESS unit
No generator idling between welds
Quiet operation inside an enclosed workshop
Power positioned beside the fabrication bay

Hover to stop it. Drag or swipe to move through the projects.

The pattern across all twelve

Fewer cables, less noise, no exhaust at the work face.

Sensitive environments

Residential-adjacent works, live buildings and night operations, where noise and fumes are the constraint rather than the capacity. Battery energy storage removes both at the point of use.

Hard-to-reach work faces

Basements, tunnels, gondolas and upper decks, where running cable from a single supply point is slow, expensive and hazardous. The battery generator goes to the work instead.

Low-load, long-hours duty

Site offices, lighting, CCTV, pumps and hand tools. Exactly the loads that leave a diesel genset idling at 30 to 50 per cent, burning fuel for very little useful output.

In their words

What our clients told The Business Times.

Quoted in the 18 June 2026 feature on Singapore's construction sector going green.

"A safer and more flexible work environment for both those working on the construction projects and those living in neighbouring areas."

Ong Eng HwaDeputy Managing Director, China Harbour Engineering Company

"Lower emissions, reduce fuel consumption and minimise noise levels, creating cleaner and more conducive working environments for our teams and surrounding communities."

Shawn YeohDeputy Project Manager, Samwoh

"They offer important benefits from a safety and workplace perspective, including reduced noise, the elimination of exhaust fumes and a lower reliance on extensive cabling and temporary power infrastructure."

Joyce FooDirector, Hiap Heng Group

Source: The Business Times, 18 June 2026

Your site could be the thirteenth.

Tell us what needs powering and when. We will come back with sizing, configuration and a hybrid plan that cuts generator runtime from week one.

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