Frontier Energy announced it has executed all major contracts for stage one of its Waroona Renewable Energy Project being developed in Western Australia’s southwest. The first phase of the project comprises a 132 MW solar facility paired with an 81.5 MW / 565 MWh battery energy storage system (BESS), designed to capture solar energy during the day and dispatch electricity into the grid during periods of high-value demand.
“We are fully funded, fully contracted and ready to build,” Frontier Executive Chairman Jamie Cullen said. “We have now secured the full suite of contracts required to deliver stage one at our Waroona Project and position the company as Western Australia’s largest solar-BESS hybrid power producer.”
The Perth-headquartered developer said construction on stage one is set to commence this month with first generation scheduled for 2028.
Infrastructure specialist Monford Group has been contracted to oversee construction and commissioning of the solar and battery facility, while Western Australia-based construction company Global Power Services will undertake the substation works.
Chinese PV manufacturer Longi has been contracted to supply more than 200,000 PV panels rated at 650 W and 655 W for the first stage solar farm, with the first delivery scheduled to arrive in January 2027.
United States-headquartered Nextpower will provide the tracking system, with first delivery expected in November 2026.
China-headquartered Trinasolar will supply the battery units under arrangements that include a 20-year warranty and long-term services agreement, while SMA Australia, through its German parent company, will provide the inverters.
Frontier said it has also secured an unconditional Western Power connection allowing export of up to 99 MW at the nearby Landwehr Terminal and import of up to 95 MW to charge the BESS when solar generation is low or unavailable.
The company said all major equipment and construction contracts are fixed price and in line with its expectations and account for the majority of the $310 million project budget.
Cullen said having signed off on the contracts for the initial stage, Frontier will now look to advance its expansion plans, which include delivering up to 1 GW of solar and 660 MW of battery energy storage capacity by 2031.
“With only 300 of our 830 hectares of grid-adjacent freehold land committed to stage one, the team is already advancing stage two,” Cullen said. “The state needs new generation to support the targeted retirement of ageing fossil fuel plants while meeting rising demand from data centres and population growth. Stage one is our first step in delivering exactly that.”
The contract milestone follows the recent announcement that the first stage of the Waroona project was among the winners of the Western Australia’s first Capacity Investment Scheme (CIS) tender. Frontier has also been assigned capacity credits for stage one of the Waroona project as part of by the Australian Energy Market Operator’s (AEMO) Reserve Capacity Mechanism (RCM).
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