Fronius Symo Advanced 20.0-3 480
Inverter · 1 exact configuration · California, US
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 dataEquipment overview
20 kW, 480 Vac, three phase Grid Support Utility Interactive Inverter with arc detector and meter
The figures below refer to Fronius Symo Advanced 20.0-3 480 {480V}. Use the configuration table for other variants.
- Continuous AC output
- 20.227 kW
- Nominal AC voltage
- 480 V AC
- CEC weighted efficiency
- 97 %
- Technology
- Not reported
- UL 1741 SB in CEC source
- Not reported as Y
- 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.
| CEC model / configuration | Continuous AC output | Voltage / display | Observation | Compare |
|---|---|---|---|---|
| Fronius Symo Advanced 20.0-3 480 {480V}Solar_Inverters row 748 | 20.227 kW | 480 V AC | Listed in CEC |
Source specifications and conditions
Additional source information for Fronius Symo Advanced 20.0-3 480 {480V}. Qualifiers, reported control modes and required devices are retained as written. Power-control listings do not establish arbitrary battery/inverter pairings.
- Built-in meter
- Y
- Source last update
- 2019-03-01
- Firmware version(s) tested
- [ReCerbo V0.3.17.2, Roach V0.28.4.0, Guard V0.11.05.3]
- UL 1741 SA certificate date
- [11/22/2018]
- UL 1741 SB certificate date
- No Information Submitted
- CSIP conformance as reported
- N
- UL 1741 SA certifying entity
- CSA Group
- UL 1741 SB certifying entity
- No Information Submitted
- CEC grid-support listing date
- 2019-02-15
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 CECFronius Symo Advanced 20.0-3 480 {480V}
Archived CEC source