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SMA America

SHP FLEX-US-21

Inverter · 10 exact configurations · 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 a Nominal AC voltage range of 200 Vac - 600 Vac, and power output 50 kW - 172 kW.

The figures below refer to SHP FLEX-US-21 {208V}. Use the configuration table for other variants.

Continuous AC output
55.076 kW
Nominal AC voltage
208 V AC
CEC weighted efficiency
97 %
Technology
Not reported
UL 1741 SB in CEC source
Reported
CEC source lists
Solar

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 SHP FLEX-US-21
CEC model / configurationContinuous AC outputVoltage / displayObservationCompare
SHP FLEX-US-21 {208V}Solar_Inverters row 178755.076 kW208 V ACListed in CEC
SHP FLEX-US-21 {320V}Solar_Inverters row 179184.9036 kW320 V ACListed in CEC
SHP FLEX-US-21 {380V}Solar_Inverters row 1792100.842 kW380 V ACListed in CEC
SHP FLEX-US-21 {385V}Solar_Inverters row 1793100.842 kW385 V ACListed in CEC
SHP FLEX-US-21 {400V}Solar_Inverters row 1794105.6325 kW400 V ACListed in CEC
SHP FLEX-US-21 {420V}Solar_Inverters row 1795112.714 kW420 V ACListed in CEC
SHP FLEX-US-21 {480V}Solar_Inverters row 1798125.007 kW480 V ACListed in CEC
SHP FLEX-US-21 {600V}Solar_Inverters row 1801150.0787 kW600 V ACListed in CEC
SHP FLEX-US-21 {630V}Solar_Inverters row 1803165.6622 kW630 V ACListed in CEC
SHP FLEX-US-21 {660V}Solar_Inverters row 1805172.81 kW660 V ACListed in CEC

Source specifications and conditions

Additional source information for SHP FLEX-US-21 {208V}. Qualifiers, reported control modes and required devices are retained as written. Power-control listings do not establish arbitrary battery/inverter pairings.

Source notes
Grid Support Utility Interactive Inverter with a Nominal AC voltage range of 200 Vac - 600 Vac, and power output 50 kW - 172 kW.
Built-in meter
N
Source last update
2025-01-02
Firmware version(s) tested
[3.15.22; 3.16.22]
UL 1741 SA certificate date
[11/30/2022]
UL 1741 SB certificate date
[11/30/2022]
CSIP conformance as reported
Y*
UL 1741 SA certifying entity
UL
UL 1741 SB certifying entity
UL
CEC grid-support listing date
2024-11-21

Use the source row references above to inspect the conditions for each other configuration.

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 CECSHP FLEX-US-21 {660V}
    Archived CEC source
  • Sep 21, 2026 · California Energy CommissionFirst observed: Listed in CECSHP FLEX-US-21 {630V}
    Archived CEC source
  • Sep 21, 2026 · California Energy CommissionFirst observed: Listed in CECSHP FLEX-US-21 {600V}
    Archived CEC source
  • Sep 21, 2026 · California Energy CommissionFirst observed: Listed in CECSHP FLEX-US-21 {480V}
    Archived CEC source
  • Sep 21, 2026 · California Energy CommissionFirst observed: Listed in CECSHP FLEX-US-21 {420V}
    Archived CEC source
  • Sep 21, 2026 · California Energy CommissionFirst observed: Listed in CECSHP FLEX-US-21 {400V}
    Archived CEC source
  • Sep 21, 2026 · California Energy CommissionFirst observed: Listed in CECSHP FLEX-US-21 {385V}
    Archived CEC source
  • Sep 21, 2026 · California Energy CommissionFirst observed: Listed in CECSHP FLEX-US-21 {380V}
    Archived CEC source
  • Sep 21, 2026 · California Energy CommissionFirst observed: Listed in CECSHP FLEX-US-21 {320V}
    Archived CEC source
  • Sep 21, 2026 · California Energy CommissionFirst observed: Listed in CECSHP FLEX-US-21 {208V}
    Archived CEC source