4 March 2026
Brunstock BESS installed at Monarto BESS, February 2026
Step-up skid stations and BESS DC blocks made by Brunstock, installed in South Australia
Monarto BESS solar farm and battery energy storage made by Brunstock
12 February 2026
Brunstock Australia supplied the 15MWh BESS at Monarto Energy Park and it is up and running. The set up includes 3 x 5MWh Brunstock energy storage units or DC blocks, with charging rates of 0.5C, totalling 15MWh.
Monarto, in South Australia’s Murraylands, is known for its wide, open landscapes and a sense of space that feels increasingly rare. Rolling mallee scrub, quiet country roads and big skies give the area a calm, unhurried character, with conservation land and rural properties shaping much of the scenery. The local community is small but deeply connected, built around long-standing farming families, volunteers and local businesses that look out for one another. It’s the kind of place where people still stop for a chat, where community events matter, and where the countryside remains as much a part of daily life as the people who call it home.
Big thank you to Flow Power for accommodating our visits and for trusting Brunstock Australia with this important technology.
8 July 2025
Brunstock Australia is supplying a 15MWh battery energy storage system for Flow Power’s Monarto Energy Project. This includes three 5MWh battery energy storage containers (with 4.6 MW inverter output) and a step-up transformer station, all of which are made by Brunstock.
This renewable energy site in South Australia is planned to contain a 5MW solar farm paired with our 15 MWh BESS. Like all renewable energy sites, the battery storage component provides stability and load balancing for managing peak demand.
Supporting FCAS (frequency control ancillary services), Brunstock BESS will help make the region’s electricity grid strong and stable. South Australian businesses need more energy than ever, and this project is part of the broader solution to meet that demand with clean, reliable power.
Daniel Tragai, Brunstock BESS project leader, standing in front of one of the Monarto BESS energy storage containers at the Brunstock factory.
Brunstock is focused on environmentally friendly power solutions, including BESS and SF6-free switchgear. Our 5 MWh battery energy storage system was designed with the rugged and remote landscapes of Australia in mind. From the high quality workmanship in the exterior facings and welding to the galvanised steel base, Brunstock BESS is tough enough for the job. The liquid cooled batteries inside the cabinets adhere to IEC and Australian standards. They are reliable and highly efficient.
Brunstock BESS supports network construction and fast frequency modulation.
A drawing of the front of one of our BESS containers made by Brunstock
Our Brunstock battery energy storage systems integrate long-life batteries, a BMS, a thermal management system (TMS), a safety management system (SMS) and an intelligent power distribution system (IPD) in a 20-foot standard container.
The Monarto BESS project will feature three of our 5MWh battery containers, giving a total of 15MWh. These are further customised to output 4.6MW through the inverter.
We are proud to work with Flow Power on both the BESS and the required step-up transformers for the Monarto Solar Farm. The equipment is scheduled to arrive in Australia and go to site in the second half of 2025 after where it will be tested, commissioned and put into service.