| Company | Neoen |
| Location | Victoria |
| Project Overview |
The 300 MW Victorian Big Battery enhances grid stability in Victoria, with Insulect supplying custom transformer insulation kits and measurement and protection devices to support reliable transformer performance. |
| Products | • Transformer insulation kits, custom manufactured • Transformer measurement and protection devices |
Project Overview
The 300 MW Victorian Big Battery, one of the largest battery storage systems in the world, supports grid stability and renewable energy integration across Victoria. As part of the project’s advanced electrical infrastructure, Insulect supplied custom-manufactured transformer insulation kits and transformer measurement and protection devices, ensuring reliable and safe transformer performance within this critical energy asset.
Challenge
Battery storage systems operate under demanding electrical conditions, with frequent load changes, high fault levels, and the need for continuous availability. For the Victorian Big Battery, transformer reliability was essential, as any insulation failure or undetected fault could compromise grid stability and asset performance. Standard, off‑the‑shelf solutions were not sufficient for this application. The project required transformer insulation components precisely matched to the transformer design, as well as accurate measurement and protection devices capable of providing clear insight into transformer health under dynamic operating conditions.
Solution
Insulect worked closely with the project team to deliver a tailored solution that addressed both electrical performance and long‑term reliability. Custom transformer insulation kits were manufactured to suit the specific transformer requirements, ensuring correct clearances, mechanical integrity, and dielectric strength. Alongside this, Insulect supplied transformer measurement and protection devices designed to monitor key operating parameters and provide early indication of abnormal conditions. This combined approach ensured that the transformers were not only protected physically through robust insulation but also continuously monitored to support proactive asset management.
Benefits
The use of custom‑manufactured insulation kits reduced installation risk and ensured consistency across the transformer assembly, while the measurement and protection devices gave operators improved visibility of transformer performance. Together, these solutions helped minimise the likelihood of unplanned outages, supported safer operation, and extended the expected service life of the transformers. Insulect’s involvement also simplified coordination by delivering specialised components from a single, experienced supplier familiar with large‑scale renewable and storage projects.
Results
With Insulect’s solutions in place, the Victorian Big Battery is equipped with transformers designed for reliable, long‑term performance in a demanding grid‑support role. The project contributes to improved grid stability across Victoria and demonstrates how carefully engineered insulation systems and intelligent monitoring play a vital role in modern energy infrastructure. This case study highlights Insulect’s ability to deliver tailored, high‑quality solutions that support some of Australia’s most significant renewable energy projects.