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HomeProductsSolar InverterGrowatt 50KW 75KW 100KW Hybrid Solar Energy Storage Inverter
Solar Inverter

Growatt 50KW 75KW 100KW Hybrid Solar Energy Storage Inverter

Product Configuration：

Datasheet WIT 50K-H
WIT 50K-HU		 WIT 63K-H
WIT 63K-HU		 WIT 75K-H
WIT 75K-HU		 WIT 100K-H
WIT 100K-HU
Input Data (PV)
Max. recommended PV power(for module STC) 109.2kW 124.8kW 156kW 156kW
MPPT nominal voltage/range 550V,180V~800V
No. of PV strings per MPP tracker 2 
No. of MPP trackers 7  8 10 10 
Battery Data (DC)
Battery voltage range 600-1000V (for 3P3W) / 680-1000V (for 3P4W)
Recommended battery voltage 768V
Max charging and discharging current 83.3A 105A 125A 167A
Backup Power (AC)
Backup Power (AC) 50kW 63kW      75kW 100kW
Max. AC apparent power 60kVA 75.6kVA 90kVA 120kVA
Rated AC output voltage 220V/230V/240V(L-N),380V/400V/415V(L-L)
Nominal AC output frequency 50/60 Hz
Load connection 3P3W+PE/3P4W+PE

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Detailed description

Top 1 Growatt 100KW Hybrid Inverter

Advantage

  • – Built-in UPS and black start
  • – 100% unbalanced output
  • – 110% continuous AC overloading
  • – Type II SPD on DC and AC side
  • – Multiple MPPTs input
  • – DC/AC Ratio up to 2.0
  • – Max. efficiency up to 98%
  • – Scalable up to 300kW
  • – Support lithium and lead-acid battery
  • – Remote control of DG

Basic Parameters

DatasheetWIT 50K-H
WIT 50K-HU		WIT 63K-H
WIT 63K-HU		WIT 75K-H
WIT 75K-HU		WIT 100K-H
WIT 100K-HU
Input Data (PV)
Max. recommended PV power(for module STC)109.2kW124.8kW156kW156kW
Start voltage195V
Max. input voltage1100V
MPPT nominal voltage/range550V,180V~800V
Max. input current /MPP tracker32A
Max. short-circuit current /MPP tracker40A
No. of PV strings per MPP tracker2 
No. of MPP trackers7 81010 
Battery Data (DC)
Battery voltage range600-1000V (for 3P3W) / 680-1000V (for 3P4W)
Recommended battery voltage768V
Max charging and discharging current83.3A105A125A167A
BMS communicationRS485/CAN
Backup Power (AC)
Backup Power (AC)50kW63kW75kW100kW
Max. AC apparent power60kVA75.6kVA    90kVA120kVA
Rated AC output voltage220V/230V/240V(L-N),380V/400V/415V(L-L)
Nominal AC output frequency50/60 Hz
Load connection3P3W+PE/3P4W+PE
Max. output current90.9A114.5A136.4A181.8A
THDv<3%  (Linear load)
Load unbalance100% three-phase unbalanced
Overload capacity≤110%: Continues; 110%~120%: <10min; >120%: 200ms
On/off grid transfer time≤20ms
Max. efficiency98.2%
Protection Devices
Battery reverse protectionYes
AC/DC surge protectionType II
Insulation resistance monitoringYes
Ground fault monitoringYes
Grid monitoringYes
Residual-current monitoring unitYes
AC short-circuit protectionYes
Strings monitoringYes
Anti-islanding protectionYes
PID protectionYes
AFCI functionOpt
General
Weight153kg153kg160kg160kg
Operating temperature range–30 °C~60 °C (> 50°C, derating)
Relative humidity0~100%
Altitude4000m
TopologyTransformerless
CoolingSmart air cooling
IP degreeIP66
DisplayOLED+LED/WiFi+APP
Interfaces: RS485/CAN/USBYes
Interfaces: WIFI/LANOpt
Warranty (5/10 years)Yes/Opt
   EN 62920-2017, IEC/EN 62477-1, IEC/EN 62109-1, IEC/EN 62109-2, IEC 62116, IEC 61727, G99:2020, EN 50549-1, VDE 4105, NRS 097-2-1

Project

100KW WIT-100k-HU Project show
Growatt 100KW WIT-100k-HU Project show
Growatt 100KW WIT-100k-HU Project show
Growatt 100KW WIT-100k-HU Project show
Application Scenarios：

  • Factory

  • Business Districts

  • Farm, Residential House

  • Hospital

FAQ：

  • What is the Growatt WIT 100K-HU and what applications is it designed for?

    The WIT 100K-HU is a 100kW three-phase hybrid storage inverter designed for large-scale commercial and industrial (C&I) solar projects, medium-to-large commercial rooftops, agricultural installations, and micro-grid applications. It integrates PV inverter functionality with energy storage and diesel generator (DG) input support, offering eight distinct application modes including self-consumption, peak shaving, demand charge reduction, backup power, and power quality optimization. The "HU" version is specifically designed for integrated solar + storage + grid + DG systems

  • What monitoring and communication options does the WIT 100K-HU offer?

    The WIT 100K-HU comes with integrated Wi-Fi and 4G (optional) for seamless connection to Growatt’s ShineServer platform and ShinePhone mobile app. Users can monitor real-time performance, historical data, battery status, and system alarms remotely. For third-party integration, the inverter supports RS485, CAN, and dry contact interfaces. It is compatible with Modbus RTU / Modbus TCP protocols, allowing integration into existing building management systems (BMS) or SCADA platforms. The WIT series also supports multiple inverter parallel monitoring – up to 9 units can be managed from a single portal.

  • Can the WIT 100K-HU work with an existing diesel generator? How does that function?

    Yes – the WIT 100K-HU has a dedicated generator (DG) input port, specifically designed to integrate a diesel generator as a backup power source. In off-grid or weak-grid areas, when battery levels are low and solar is insufficient, the inverter can automatically start the generator (via dry contact signal), use generator power to charge the battery and supply loads, then stop the generator once conditions recover. This feature significantly reduces diesel consumption and operating costs. The generator connection is synchronized with the inverter’s AC output, ensuring seamless transfer without voltage spikes or disruption to sensitive loads.

  • Does the inverter provide backup power during grid outages?

    Yes. The WIT 100K-HU features both UPS (Uninterruptible Power Supply) and black start functions, ensuring seamless power supply to critical loads during grid failures. In backup mode, it supports 100% unbalanced load, meaning each phase can deliver up to full power even if the load is not equally distributed across phases.

Tags:

Hybrid Inverter Solar Inverter

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