Huawei FusionSolar: Solar inverters, battery systems and plant management

Huawei FusionSolar combines PV inverters, battery storage, plant communications and energy-management software.

Summary

Best for
Projects combining compatible Huawei inverters, storage and plant-management equipment across residential, commercial or utility sites.
Less suited to
Treating every SUN2000 inverter or logger as the same third-party interface; model, firmware and access settings matter.
Deployment
Inverters and optional storage at the site, with selected communications hardware and residential or plant-management software.
Data in
Inverter, battery, meter and plant-operating data; SmartLogger3000B documents Modbus and IEC telecontrol interfaces.

Overview

FusionSolar is Huawei's solar and energy-storage offering, spanning home systems, commercial installations and utility-scale plants. Its catalogue includes SUN2000 inverters, LUNA2000 storage, module controllers, power sensors and plant communications equipment. The products form several system families rather than one fixed package.

For a home, the focus is coordinating generation, storage and consumption. At utility scale, the product range extends to array controllers, transformer stations and plant-management systems. That breadth makes FusionSolar relevant both to an installer selecting residential components and to an engineering team planning communications and operation across a much larger PV site.

Offering

The SUN2000 MAP0 series covers 5–12 kW residential energy controllers. Huawei describes three-phase unbalanced operation, battery integration and backup arrangements, with its product page identifying compatible storage and control components. The inverter's power rating and the surrounding backup equipment are separate parts of that selection.

The LUNA2000 S1 storage family uses modular battery arrangements and integrates with the FusionSolar app. The page describes time-of-use, maximum-self-consumption and feed-to-grid operating modes, along with views of production, consumption and battery charge or discharge. These functions help homeowners understand where energy is going and choose how the installed system should use its storage.

Products and platforms

  1. SmartLogger3000B

    Plant communications controller

    RS485/Ethernet collection with documented Modbus and IEC telecontrol interfaces.5

  2. Smart PV Plant Management System

    PV plant software

    Monitoring, alarms, diagnostics and documented third-party interfaces.2

  3. SUN2000-15/17/20/25K-MB0-ZH

    China-market inverter

    Residential controller family named in the Chinese FusionSolar catalogue; not substituted for global MAP0 specifications.11

  4. SUN2000-450W-P2/600W-P

    Module optimisers

    Module-controller family in the Chinese FusionSolar catalogue.11

  5. SmartGuard-63A-S0

    Backup interface

    Backup-box model retained from the Chinese catalogue; regional successors and supported combinations differ.11

  6. SUN2000-150K-MG0-ZH

    China-market C&I inverter

    Commercial PV controller named in the Chinese catalogue.11

  7. LUNA2000-241 Series

    Commercial storage

    Commercial and industrial storage series in the Chinese catalogue.11

  8. MERC-1100/1300W-P

    Module optimisers

    Commercial module-controller models in the Chinese catalogue.11

  9. SUN2000-460KTL-H0

    China-market utility inverter

    Utility PV controller retained with the region shown by its source.11

  10. LUNA2000-5015-2S

    Utility storage

    Grid-forming storage system in the Chinese FusionSolar portfolio.11

Technology

The SmartLogger3000B datasheet identifies three RS485 ports, Ethernet and optical Ethernet interfaces, plus digital and analogue I/O. The optional SmartModule1000A expands the ports and adds temperature-sensor inputs. Listed protocols include Modbus TCP and IEC 60870-5-104 over Ethernet, and Modbus RTU, IEC 60870-5-103 and DL/T645 on RS485.

The logger combines inverter collection with site signals: its digital and analogue inputs can bring external plant information into the same controller, while optical Ethernet offers another network connection option. The datasheet specifies device-count limits and optional expansion hardware. These documented interfaces are not evidence of a tested Edge profile; logger firmware, data mapping and permitted access still define the actual connection.

Markets

The Smart PV Plant Management System provides plant, sub-array, equipment and module views. It includes prioritised alerts, fault visualisation and diagnostic tools such as I-V curve analysis. Huawei also identifies RESTful API and IEC 104 interfaces for third-party access to plant operating and diagnostic information.

This is a different operational scale from the household energy-flow view in the LUNA2000 residential system. Plant operators need to locate underperforming equipment across many strings, while a homeowner is more likely to compare generation, battery use and grid exchange. The catalogue's separate residential, commercial and utility paths reflect those different operating tasks.

Company

Huawei Digital Power presents FusionSolar alongside its data-centre, telecom-site, charging and other power-electronics businesses. Its corporate timeline records the establishment of Huawei Digital Power Technologies in June 2021 and also documents earlier Huawei solar-product milestones. FusionSolar is a business and product offering within Huawei. The founding year shown here is Huawei’s corporate origin in 1987, not the start of FusionSolar. Huawei Digital Power’s separate establishment in June 2021 is documented in its sustainability report.

The Digital Power privacy policy identifies Huawei Digital Power Technologies Co., Ltd. and gives its registered address in Shenzhen. The wider business combines power electronics with digital management systems. That context explains why the solar catalogue includes both conversion hardware and software for commissioning, monitoring and operating energy assets.

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