The Israeli company’s aluminium-air module passed factory acceptance tests in Wisconsin. Its planned 500 kW system has not yet been completed and is now expected in the second quarter of 2027.
Phinergy said on 2 November that its 72 kW aluminium-air generator module had completed factory acceptance tests at a facility in Wisconsin. The module has an energy capacity of 1.4 MWh. According to the company, the tests covered mechanical, functional and electrical aspects, and a report on their completion was submitted to the Net Zero Innovation Hub for Data Centers.
The module was unveiled in October. The new milestone is the completion of acceptance testing and the opening of a demonstration site for prospective customers, including data centre developers and operators. Phinergy said initial meetings had been scheduled for the coming weeks. Demonstrations are intended to use load profiles and operating requirements defined with each customer. The company has not announced a commercial deployment resulting from these meetings.
Phinergy and the hub have also agreed to extend testing to operating profiles associated with AI applications. For data centre operators, the distinction matters: a backup-power system must be assessed against specific load patterns, not only its nameplate output. The company has not published independently validated results for these additional tests or announced a commercial order for the full system.
The timetable for that larger system has changed. Phinergy previously aimed to complete an initial 500 kW demonstration unit by the end of 2026. It now plans a more advanced configuration, which it says is intended to be suitable for an initial commercial deployment, with completion expected in the second quarter of 2027. The completed acceptance tests apply to the 72 kW module, not to the unfinished 500 kW unit.
The demonstration site gives Phinergy a route to customer-specific evaluation while development of the larger unit continues. The next milestones will be validation under customer operating conditions and any resulting binding commercial agreements.
