New product launch: C&I BESS 261 kWh
Introducing Symm 261 by Brunstock. 125 kW. 261 kWh. Liquid-cooled modular BESS. Designed for commercial and industrial applications, Symm 261 scales from a single 261 kWh module to 2.61 MWh, and beyond, giving you the flexibility to match storage to load and expand...
Brunstock strengthens its presence in Germany – by Chris Ball
It has been a pleasure spending time this month with our new team in Germany. Chris Ball, Brunstock global executive Brunstock AG continues to invest in its new regional hub, supporting customers across the DACH region and wider European market. Led by the highly...
Brunstock Innovation Award – by Chris Ball
Pictured: Chris Ball, Mathias Andermatt, Helmut Rebstock and Christoph Lederle Yesterday I had the pleasure of presenting Mathias and the NRG Solutions AG team with the Brunstock Innovation Award in recognition of the market-leading solutions they are deploying in...
BESS frequently asked questions
For answers to the following questions visit our 5 MWh BESS FAQ What is the Brunstock 5 MWh BESS? What are the key physical specifications? What cell chemistry and format are used? What C-rate does the system support? How scalable is the system? What makes the...
Storage integration that works in Australia
Energy storage isn’t just about batteries—it’s about integration that works Across the BESS projects we’ve been involved with, one thing keeps surfacing in project discussions: most delays and risks don’t come from the batteries—they come from what connects them....
Naracoorte BESS: Clean energy for South Australia
In February 2026 our three 5 MWh BESS blocks and two step-up skid stations arrived on site in Naracoorte, South Australia. It was a stunning day and the installation all went according to plan. This 15 MWh battery energy storage system (BESS) at Flow Power’s...
Coonawarra BESS to Power Up South Australia’s Clean Energy Future
Our contribution to the Coonawarra BESS project included three of our 5 MWh energy storage units and a step-up transformer station with PCS. The equipment is all installed and ready to support the solar power generation on the site. BRUN-BESS-5MWh-0.5C is a...
Powering defence: Brunstock power transformers pass factory acceptance testing
Meeting the power demands of a critical government defence project requires more than good equipment. It requires rigorous quality assurance, proven manufacturing capability and the confidence that comes from seeing it tested in person. Brunstock recently completed...
Why every Brunstock spec is a metrology story
World Metrology Day · 20 May 2026 Today is World Metrology Day, marking the signing of the Metre Convention in Paris on 20 May 1875. It's the day every measurement scientist, calibration lab and standards body in the world gets a quiet moment of recognition. For...
Energy storage system for Project Monarto, Australia
Brunstock supplied the 15 MWh BESS at Monarto Energy Park and it is up and running. The set up includes 3 x 5 MWh Brunstock energy storage units or DC blocks, with charging rates of 0.5C, totalling 15 MWh. Monarto, in South Australia’s Murraylands, is known for its...
BESS installed in wine country, South Australia
Chris Ball, from our global executive team, has recently visited multiple Brunstock BESS and substation sites in South Australia. Here's a quick video of one of the sites, and Chris thanking Tom Harrison and the team at Flow Power for helping to make it happen. Our...
Megawatt storage in Switzerland
Optimising megawatt charging in Switzerland with Brunstock BESS technology Switzerland is accelerating the shift to electric heavy transport, and reliable megawatt‑scale charging is becoming essential infrastructure. One of Brunstock’s representatives, NRG...
Buying energy storage systems in Australia
In September 2025, Australia reached a landmark moment: for the first time since the National Electricity Market (#NEM) began in 1998, #renewables supplied more electricity than coal. This achievement signals a fundamental shift in the nation’s energy mix and sets...
Modularity in action: scaling your energy storage with Brunstock’s BESS solutions
Not every energy storage project starts at 50 MWh. Some start south of 5 MWh. What matters is that the architecture lets you scale without redesigning the entire site. Brunstock’s BESS solutions are built on a modular foundation that allows operators to add...
Built for the harshest conditions: what makes Brunstock BESS resilient
Earth doesn’t do mild. From searing heat to coastal salt, from dust storms to humidity that clings to every surface, our operating environments punish equipment that wasn’t designed for them. Energy storage systems are no exception. A BESS that performs beautifully...
Next-generation renewable energy technology
Standing at the edge of a solar farm like this, it’s clear how quickly the energy landscape is shifting. What was once unused land is now a productive asset, delivering clean, reliable power and strengthening the resilience of modern grids. For companies operating...
An upcoming energy storage project in Switzerland
Strengthening Switzerland’s energy infrastructure with Brunstock BESS technology Switzerland is investing heavily in resilient, flexible energy systems, and large‑scale storage is becoming a central part of that transition. One of Brunstock’s Swiss representatives,...
Integrated energy system for Rothenburg
June 2026 update Progress on the Brunstock BESS installed in Rothenburg, Switzerland With an impressive output of 3.45 megawatts and a storage capacity of 5 megawatt hours, a Brunstock BESS has been installed by NRG Solutions AG. It opened after a key ceremony in...
The future of energy must be predictable in Australia
For years, the global energy conversation has focused on how clean our power sources are, but cleanliness alone is not enough. Energy systems that fluctuate with the weather cannot be the sole foundation of Australia’s modern economy. When ⛈️ clouds roll in, when...
Brunstock manufacturing standards
Our manufacturing partners work tirelessly to produce some of the most advanced switchgear, transformers, energy storage, enclosures and other power equipment in the transmission and distribution (T&D) industry. We appreciate them and their fantastic ethics,...
An upcoming commercial storage project in Central Switzerland
A privately financed energy‑storage project setting new standards in Central Switzerland A new energy‑storage project led by NRG Solutions AG is taking shape in Central Switzerland, this time driven entirely by private investment. The operator’s goal is clear:...
Cybersecure battery energy storage packs
You need to wonder, is cybersecurity in BESS really just another IT checklist, or should it sit squarely at the executive table? Today’s batteries aren’t just hardware bolted into containers. They are software-driven assets, and that changes the game completely....
Brunstock Europe
We’re pleased to announce the appointment of Dr. Christoph Lederle as managing director of Brunstock’s new European subsidiary, Brunstock Germany GmbH Co. KG. Dr. Lederle brings with him a high level of technical authority and extensive executive experience in...
BESS with more flexibility and less risk in Australia
In Australia Brunstock is helping developers and asset owners deploy battery energy storage systems with more flexibility and less risk. Energy storage isn’t just about batteries—it’s about integration that works. Across the BESS projects we’ve been involved with,...
BGS-40.5 a secondary switchgear with no SF6 gas
This is BGS-40.5 (Brunstock Gas-insulated Secondary switchgear to 40.5kV), which features vacuum switching, SF6 free insulation technology and the main circuit/high-voltage components sealed in the gas tank. It is suitable for operation under harsh environmental...
One of Brunstock’s Representatives is Sponsoring a Professional Electrical Engineer Network Event
TGOOD Australia Gold Sponsor at EECON24 EECON24 is an Electrical Energy Conference held in Australia once a year by the Electrical Energy Society of Australia to connect electrical engineers from the local energy industry. The Australian representative of our...
Brunstock rep NRG Solutions AG at energy events in Switzerland
October 2024 Helmut Rebstock, the CEO of Brunstock, attended the🔋 Solar & Storage event in Switzerland with NRG Solutions AG! 🔋🌞 NRG were overwhelmed by the positive feedback and great encounters at the Solar & Storage trade fair! It was an event full of...
Brunstock’s Green Gas Insulated Switchgear
Environmentally Friendly Gas Ambitious climate requirements have been set by many countries in Europe, Africa, the Middle East, the Asia-Pacific region and elsewhere. A significant step towards this occurred because of the 2005 United Nations Framework Convention...
Power transformers available now
Need a shorter lead time on power transformers?⚡️ Brunstock offers 35-220kV transformers and our manufacturing partners have capacity to 🔧make them up to⏱️ 2X faster than other brands! 🚀 Dramatically reduce lead time by choosing a Brunstock power transformer...
New Representatives
Brunstock is now represented by TGOOD Global Ltd in international markets. TGOOD is known for vertically integrated substation solutions. Their multi-disciplined engineering teams, around the world, are focused on delivering packaged substation solutions needed for...
Step-up transformer skid station for energy storage sites
Introducing our intelligent, fast, reliable step-up skid station for energy storage #BESS power reticulation. Brunstock’s step-up skid stations contain power transformers and switchgear for battery energy storage plants. These modular substations convert...