Publicly-owned renewable energy company State Electricity Commission (SEC) Victoria has connected the 119 MW Horsham solar farm to the grid for the first time.
Part of the hybrid SEC Renewable Energy Park, the solar farm is located approximately 300 kilometres northwest of Melbourne, and consists of 212,296 solar panels installed in 2025.
Being developed by Swedish headquartered clean energy company OX2 Australia, which sold the project to the SEC in 2024, construction is being done in partnership with South Australian (SA)-headquartered engineering business PSD Energy.
SEC Victoria Assets Executive General Manager Lane Crockett said the energy park will support the state’s planned retirement of key coal assets, including Yallourn, which is scheduled to close in 2028.
The solar farm now proceeds to hot commissioning and hold point testing stages as it prepares for the arrival and installation of a 100 MW / 200 MWh battery energy storage system (BESS) in late 2026.
Switzerland-headquartered storage solutions company Energy Vault will supply the BESS, which will be built using the company’s proprietary X-VAULT integration platform and proprietary UL9540 certified B-VAULT product, and VaultOS energy management system to control, manage and optimise the hybrid BESS operations.
The grid-scale energy storage solution’s AC-coupled and DC-coupled configurations will also provide drop-in flexibility.
Once operational in 2027, the hybrid energy park will be capable of generating around 242,000 MWh of clean energy per year, equivalent to the annual energy demands of 51,000 homes.
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