China-based solar manufacturer Longi is shifting from a multi-vendor system design to a unified solar and storage architecture built around in-house technologies.
China’s Longi has unveiled ‘Longi One’, an integrated solar-plus-storage strategy that it says will replace conventional multi-vendor project architectures with a unified system design.
The strategy, announced April 1 in Beijing, marks a shift from what the company described as fragmented, “assembled” systems to full integration. Longi said the approach combines its back-contact (BC) solar technology with its ‘5S’ storage technology into a single platform it calls a ‘Solar Generator’.
The company summarized the concept as ‘One system, one platform, one responsibility’ and positioned itself as the sole provider for project execution and execution.
Longi said the integrated architecture aims to reduce system losses, improve performance and shorten deployment times. The company added that its AI-driven control platform can coordinate production, storage and consumption, while the ‘One Responsibility’ model is designed to streamline accountability throughout the project lifecycle.
The strategy includes products for the utility sector and the commercial and industrial (C&I) segments.
For utility-scale projects, Longi introduced ‘OneBank 2.0’, an integrated AC/DC storage system. The company says its proprietary iCCS technology enables millisecond-scale fault detection and isolation, reducing system-level failures by 60% and reducing time to commissioning by more than 30%.
It also launched “OneMatrix 2.0,” a modular, factory-level solution for two-hour, four-hour and eight-hour storage durations. Longi said the system can reduce implementation time by 20% to 30% and reduce life cycle costs.
For the C&I segment, Longi presented ‘Hi-MO One’, combined with the ‘EnergyOne’ platform. The company said the solution delivers module efficiency of 24.8% and system efficiency of up to 90.3%, with response times of less than 20 milliseconds and AI-based power management.
In addition to the product rollout, Longi announced a global service initiative called the ‘2830 Plan’, which aims to establish 30 localized service centers in key overseas markets by 2028. The company said the plan builds on 13 GWh of delivery experience in more than 120 countries and will provide lifecycle support.
The launch also marks Longi’s first comprehensive storage strategy since acquiring Suzhou-based energy storage company Potis Edge, signaling a broader move from PV production to integrated energy systems.
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