en.Wedoany.com Reported - Allume Energy, a technology developer and manufacturer headquartered in Melbourne, has launched SolShare 2, providing apartment residents with shared solar and battery functionality, and enabling the sale of excess electricity back to the grid.
SolShare 1, the world's first behind-the-meter solution, is manufactured in Australia and installed between the solar inverter and apartment meters. The system monitors the energy demand of each apartment in real time, directing solar power to where it is needed within the building. Funded by federal grants, SolShare 2 increases energy sharing capacity by 36% compared to SolShare 1, from 22 kW to 30 kW, and adds the capability to pair with batteries.
Mio Dart, Head of Technology Partnerships at Allume Energy, told pv magazine that SolShare 2 was designed with batteries in mind from the outset, increasing capacity from 22 kW to 30 kW and adding additional hardware interfaces to support battery optimization. The redesign also enables faster assembly and commissioning, with plug-and-play Ethernet improving uptime and monitoring capabilities. These changes allow shared solar and battery functionality, previously available only to standalone homeowners, to be extended to apartment residents, transforming their perception of battery value.
Dart added that, like SolShare 1, excess solar power not consumed by apartments can be exported to the grid, with eligible apartment residents receiving feed-in tariffs according to their electricity plans. Allume is integrating SolShare 2 to enable customers to begin trading excess energy in the wholesale market, optimizing batteries to buy, sell, and store energy at favorable times, and accessing wholesale feed-in tariffs.
SolShare 1, manufactured in Melbourne, Victoria, currently supports over 10,000 apartments globally. In Australia, an additional 4,300 apartments are expected to be added by mid-2027. Dart explained that the development of SolShare 2 was based on feedback received from the installer network, apartment residents, owners' corporations, social housing providers, and other stakeholders since the launch of SolShare 1. The product development team in Melbourne collaborated with a range of specialist partners, each contributing expertise to the design of SolShare 2.
Dart stated that Allume views the SolShare 2 upgrade as the next step in narrowing the energy equity gap between apartment residents and standalone homeowners, particularly against the backdrop of a significant increase in home battery adoption driven by the Cheaper Home Batteries Program. It is expected that hundreds of thousands of apartment residents—including tenants—previously excluded from solar and battery access will be able to begin utilizing more renewable energy and achieving greater electricity savings within the next one to two years, increasing from an average annual saving of AUD 381 per apartment with SolShare 1 to AUD 750 per apartment with SolShare 2 and batteries. During a period of accelerated growth, the new technology enables a step change in scalability, allowing Allume to meet demand while keeping assembly in Australia.
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