WSTECH GmbH

APS800-ES-1-440-5

Inverter · 1 exact configuration · California, US

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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

800 kW, 440 Vac, Grid Support Utility Interactive Centeral Battery Inverter

The figures below refer to APS800-ES-1-440-5 {440V}. Use the configuration table for other variants.

Continuous AC output
814.167 kW
Nominal AC voltage
440 V AC
CEC weighted efficiency
97.5 %
Technology
Not reported
UL 1741 SB in CEC source
Not reported as Y
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 APS800-ES-1-440-5
CEC model / configurationContinuous AC outputVoltage / displayObservationCompare
APS800-ES-1-440-5 {440V}Battery_Inverters row 1134814.167 kW440 V ACListed in CEC

Source specifications and conditions

Additional source information for APS800-ES-1-440-5 {440V}. Qualifiers, reported control modes and required devices are retained as written. Power-control listings do not establish arbitrary battery/inverter pairings.

Source notes
Efficiency data inclusive of transformer effect based on 1000 kVA Low-Voltage Dry-Type Distribution Transformers Table in DOE216.
Built-in meter
N
Firmware version(s) tested
[APU V3130 APMC V2040]
UL 1741 SA certificate date
[10/12/2020]
UL 1741 SB certificate date
No Information Submitted
CSIP conformance as reported
N
UL 1741 SA certifying entity
MET
UL 1741 SB certifying entity
No Information Submitted
CEC grid-support listing date
2020-11-12

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 CECAPS800-ES-1-440-5 {440V}
    Archived CEC source