Ampt string optimizers have been selected for a planned solar-plus-storage project in Victoria, Australia, the company announced on October 22, 2026. The project will use Ampt’s Direct-to-Battery architecture to connect solar generation and battery storage, with the aim of reducing upfront equipment costs and enabling participation in grid services markets.
Key Takeaways
- The planned system combines 8.2 MWdc of solar generation with 20 MWh of battery storage.
- Ampt says its design can reduce equipment requirements and energy losses; no project-specific savings estimates were disclosed.
- The project fits Australia’s growing focus on mid-scale renewables, but no CEFC financing award was announced.
Table of Contents
- How Ampt string optimizers will connect solar and storage
- Grid services offer a potential additional revenue stream
- A project in Australia’s mid-scale financing gap
- Conclusion
How Ampt string optimizers will connect solar and storage
The battery-centric design connects the solar array directly to the shared direct-current bus between the battery and its inverter. Ampt says this removes the need for separate equipment, including central DC/DC converters, solar inverters and transformers, while reducing electrical cabling costs.
The optimizers are also intended to reduce energy losses when solar modules perform unevenly because of degradation, temperature differences, shade or soiling. These are expected design benefits rather than measured operating results from the Victoria site.
Ampt did not identify the developer, disclose a contract value or provide construction and commissioning dates in the announcement.
| Item | Details |
|---|---|
| Planned solar capacity | 8.2 MWdc |
| Planned power conversion capacity | 4.95 MWac |
| Planned battery energy capacity | 20 MWh |
| Project location | Victoria, Australia; specific site not disclosed |
Grid services offer a potential additional revenue stream
Alongside electricity generation and storage, the project is designed to participate in Australia’s contingency Frequency Control Ancillary Services markets. These services support grid stability by responding rapidly to changes in system conditions.
Ampt says its battery-supported architecture provides the fast response required for those markets. The announcement did not disclose a market-registration milestone or quantify expected grid-services revenue.
Russell French, Ampt’s country director for Australia, said distribution-connected solar and battery systems can place generation closer to consumers, store excess daytime output and dispatch it during the evening peak. He also said using existing local networks can reduce the need for costly infrastructure upgrades.
A project in Australia’s mid-scale financing gap
The selection comes as public financing targets the segment between rooftop solar and large utility-scale developments. In its August 3, 2026 announcement, the Clean Energy Finance Corporation committed $100 million to the Distribution Connected Accelerator Program, developed with infrastructure debt manager Infradebt.
The program is intended to finance up to 16 hybrid solar, battery and battery-retrofit projects, focusing on projects up to 5 MW while allowing for larger developments. Its pipeline is intended to be ready to begin construction in 2027.
The Victoria project’s scale is consistent with the segment the initiative seeks to support. However, neither announcement establishes that this project has received financing through the program.
Conclusion
The selection establishes Ampt’s role in the planned Victoria system, but does not yet demonstrate operating savings or grid-services revenue. Construction timing, commissioning details and market participation remain the key project milestones to watch.
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