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Shenzhen Growatt New Energy Co., Ltd.

WIT 55K-AU-US L2

Inverter · 1 exact configuration · California, US

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i

A registry listing is a starting point. CEC inclusion is not nationwide installation approval. Confirm the exact model and configuration with your utility and local authority.

How to use this data

Equipment overview

55 kW, 208 Vac Grid Support Utility Interactive Inverter with PCS functionality.

The figures below refer to WIT 55K-AU-US L2 {208V}. Use the configuration table for other variants.

Continuous AC output
54.7978 kW
Nominal AC voltage
208 V AC
CEC weighted efficiency
96.5 %
Technology
Not reported
UL 1741 SB in CEC source
Reported
CEC source lists
Battery

Specifications are reported in the CEC source; SolarApprovals has not independently tested this equipment. A missing value does not mean zero or a failed certification.

Exact configurations

CEC annotations in braces identify the listed configuration and are not part of the manufacturer’s model number. Variants share this canonical page.

Exact CEC configurations for WIT 55K-AU-US L2
CEC model / configurationContinuous AC outputVoltage / displayObservationCompare
WIT 55K-AU-US L2 {208V}Battery_Inverters row 74354.7978 kW208 V ACListed in CEC

Source specifications and conditions

Additional source information for WIT 55K-AU-US L2 {208V}. Qualifiers, reported control modes and required devices are retained as written. Power-control listings do not establish arbitrary battery/inverter pairings.

Built-in meter
N
Firmware version(s) tested
[TO1.0]
UL 1741 SA certificate date
[11/27/2023]
UL 1741 SB certificate date
[11/27/2023]
CSIP conformance as reported
Y*
UL 1741 SA certifying entity
Intertek
UL 1741 SB certifying entity
Intertek
CEC grid-support listing date
2024-06-21

Documented compatibility

No specific equipment pairing has been verified for this model.

Shared voltage, a hybrid designation, or the same manufacturer does not establish compatibility. Check the manufacturer’s installation documents for exact model combinations, firmware, and operating conditions.

Registry observation history

Dates show when SolarApprovals observed a status. The first observation is not the original CEC listing date. History begins with our first import.

  • Sep 21, 2026 · California Energy CommissionFirst observed: Listed in CECWIT 55K-AU-US L2 {208V}
    Archived CEC source