Renewables developer Lightsource bp has begun construction on its Lower Wonga Solar Farm and Battery hybrid project near Gympie in Queensland.
The project will combine an approximately 380MWdc solar farm with a 281MW/843MWh battery energy storage system, bringing together large-scale renewable generation and flexible storage to make this one of the largest hybrid projects in Australia.
Once operational, Lower Wonga will add substantial renewable generation and dispatchable capacity to the National Electricity Market, supporting the delivery of lower-cost electricity while helping the system respond more effectively to changing demand patterns. The project is expected to generate enough electricity to power the equivalent to approximately 126,000 homes each year.
Related article: Aula Energy acquires 1GW solar portfolio from Lightsource bp
In addition, Lightsource bp has signed a hybrid offtake agreement with Rio Tinto combining low‑cost solar generation with battery storage to deliver reliable renewable power. The agreement supports Rio Tinto’s renewable energy portfolio in Queensland and highlights the increasing role of integrated solar and storage projects in meeting the energy needs of large industrial customers.
The project has also secured support under the Australian Government’s Capacity Investment Scheme (CIS). The scheme provides long-term revenue certainty for new renewable generation projects while helping accelerate the rollout of additional capacity needed to support Australia’s energy transition and strengthen the National Electricity Market.
Lightsource bp chief operating officer for Asia-Pacific Adam Pegg said, “The global power sector is entering a new phase. It’s no longer just about building renewable generation—it’s about how solar and storage are now the lowest-cost sources of energy, to support growing demand from data centres, industry, and the electrification of transportation.
“Lower Wonga reflects that shift. Solar provides the lowest-cost scalable electricity, while battery storage allows that energy to be shifted to periods of higher demand, strengthening flexibility and reliability across the grid. Combining solar generation with storage strengthens the energy security value of renewable energy, enabling customers to benefit from long‑term, predictable energy costs over the life of the project.
“Australia is one of the most attractive renewable energy markets in the world, and developments like Lower Wonga demonstrate how solar and storage together can deliver reliable, low‑cost power at scale.”
Related article: Lightsource bp advances first solar and storage hybrid project
A joint venture between INTEC Energy Solutions and Gotion Hi-Tech Australia has been appointed as the engineering, procurement and construction partner to deliver the project.
At peak construction, the project is expected to support around 400-500 jobs, alongside opportunities for local businesses, contractors, and suppliers where possible. The project is expected to be operational in late 2028.
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