EcoJoule Energy has teamed up with Hitachi Energy, a global leader in electrification, and battery manufacturer EVE Energy to launch a new industry-leading sub-5 MW battery energy storage system (BESS) that will help alleviate network constraints and maximise existing and new consumer energy resources (CER).
EcoSTORE MEGA is engineered for both grid-following and grid-forming applications and integrates EVE Energy’s 5 MWh MR Giant LFP battery containers with Hitachi Energy’s WD4 power conversion system and centralised power plant controller. This architecture enables precise active and reactive power control for utility-scale projects.
The system is built around a standard 4.98 MW/5 MWh block architecture that can support a range of energy durations using a common PCS platform. This modular approach allows developers and utilities to scale capacity over time while maintaining consistent performance across sites.
The modular system has been designed and integrated in Australia to meet the operational, regulatory and environmental requirements of local electricity networks. The system combines Hitachi Energy’s bi-directional power conversion systems and control technology with high-efficiency lithium iron phosphate battery containers from EVE Energy.
The EcoSTORE MEGA will allow network operators to alleviate network constraints on high-voltage feeders and substations, enable more CER connections, and reduce reliance on large-scale generation solutions, which are facing high costs and social challenges.
EcoJoule Energy Founder and CEO Dr Mike Wishart said the partnerships reflected the importance of combining globally proven technology with strong local engineering and integration capability.
“Battery storage is rapidly becoming critical infrastructure for the Australian energy system, and we believe there is a real opportunity to grow in the space between small household batteries and large utility-scale batteries,” he said.
“EcoSTORE MEGA reflects that philosophy and combines proven Tier-1 components with EcoJoule’s deep experience in power electronics, system integration and grid compliance to deliver a reliable and scalable energy storage platform designed specifically for Australian network conditions.”
EcoJoule Chief Commercial Officer Martin van der Linde said EcoJoule Energy’s role as a local integrator was critical to ensuring global battery technology performs effectively within Australia’s complex grid environment.
“Successful battery projects require more than high-quality hardware. They require a deep understanding of local grid behaviour, compliance requirements and network expectations,” Mr van der Linde said.
“As an Australian engineering and integration partner, EcoJoule works closely with developers, utilities and network operators to ensure systems are designed, commissioned and operated to perform in real-world conditions,” he said.
“By integrating global technology locally, we can customise each system for Australian standards and operating environments while providing onshore engineering, commissioning and long-term support.
“With EcoJoule managing the entire engineering and rollout, we can get systems on the ground quickly and efficiently reducing delivery risk for our customers and helping ensure these assets perform reliably over their entire operational life.”
EcoJoule’s other products include:
- EcoVAR ALTO is a pole-mounted low voltage STATCOM that regulates voltage levels on distribution networks in real time. The technology enables network operators to integrate more consumer energy resources and electrification technologies without costly grid upgrades.
- EcoSTORE ALTO is an intelligent, Australian-made, pole-mounted BESS/STATCOM that improves energy quality, reliability, and efficiency, particularly in fringe-of-grid and renewable-heavy networks.
EcoSTORE MEGA has been designed to meet Australian and international safety and grid compliance standards, including AS/NZS and IEC requirements. The system delivers high efficiency, fast control response and long-term operational reliability in demanding utility environments.
The highly integrated and standardised design simplifies transport, installation, connection and commissioning, while comprehensive deployment and operator training programs support project delivery.
Established nearly a decade ago, EcoJoule Energy is a 100% Australian-owned company providing innovative solutions to help electricity distributors integrate renewable energy and manage grid reliability.
In early 2025, the company secured a $15 million capital investment from Ellerston Capital and the Clean Energy Finance Corporation (CEFC) to support the company’s national and international growth ambitions.
For more information and specifications, visit the EcoSTORE MEGA page.
Media enquiries to:
Ben Ready
+61 415 743 838
ben@rgcmm.com.au.