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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 dataEquipment overview
ESS with Additional Devices
The figures below refer to SUNSYS-HES-XXL {1000kW, 2036kWh}. Use the configuration table for other variants.
- Controlled apparent power
- 1000 kVA
- Operating voltage
- 600 V
- PCS functionality
- ESS
- Technology
- Not reported
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 | Controlled apparent power | Voltage / display | Observation | Compare |
|---|---|---|---|---|
| SUNSYS-HES-XXL {1000kW, 2036kWh}PCS Data for Inverter and ESS row 1590 | 1000 kVA | 600 V | Listed in CEC | |
| SUNSYS-HES-XXL {1000kW, 2444kWh}PCS Data for Inverter and ESS row 1591 | 1000 kVA | 600 V | Listed in CEC | |
| SUNSYS-HES-XXL {1000kW, 2851kWh}PCS Data for Inverter and ESS row 1592 | 1000 kVA | 600 V | Listed in CEC | |
| SUNSYS-HES-XXL {1000kW, 3258kWh}PCS Data for Inverter and ESS row 1593 | 1000 kVA | 600 V | Listed in CEC | |
| SUNSYS-HES-XXL {1000kW, 3666kWh}PCS Data for Inverter and ESS row 1594 | 1000 kVA | 600 V | Listed in CEC | |
| SUNSYS-HES-XXL {1000kW, 4073kWh}PCS Data for Inverter and ESS row 1595 | 1000 kVA | 600 V | Listed in CEC | |
| SUNSYS-HES-XXL {1000kW, 4480kWh}PCS Data for Inverter and ESS row 1596 | 1000 kVA | 600 V | Listed in CEC | |
| SUNSYS-HES-XXL {1250kW, 2444kWh}PCS Data for Inverter and ESS row 1597 | 1250 kVA | 600 V | Listed in CEC | |
| SUNSYS-HES-XXL {1250kW, 2851kWh}PCS Data for Inverter and ESS row 1598 | 1250 kVA | 600 V | Listed in CEC | |
| SUNSYS-HES-XXL {1250kW, 3258kWh}PCS Data for Inverter and ESS row 1599 | 1250 kVA | 600 V | Listed in CEC | |
| SUNSYS-HES-XXL {1250kW, 3666kWh}PCS Data for Inverter and ESS row 1600 | 1250 kVA | 600 V | Listed in CEC | |
| SUNSYS-HES-XXL {1250kW, 4073kWh}PCS Data for Inverter and ESS row 1601 | 1250 kVA | 600 V | Listed in CEC | |
| SUNSYS-HES-XXL {1250kW, 4480kWh}PCS Data for Inverter and ESS row 1602 | 1250 kVA | 600 V | Listed in CEC | |
| SUNSYS-HES-XXL {1250kW, 4888kWh}PCS Data for Inverter and ESS row 1603 | 1250 kVA | 600 V | Listed in CEC | |
| SUNSYS-HES-XXL {1250kW, 5295kWh}PCS Data for Inverter and ESS row 1604 | 1250 kVA | 600 V | Listed in CEC | |
| SUNSYS-HES-XXL {1250kW, 5702kWh}PCS Data for Inverter and ESS row 1605 | 1250 kVA | 600 V | Listed in CEC | |
| SUNSYS-HES-XXL {1500kW, 2851kWh}PCS Data for Inverter and ESS row 1606 | 1500 kVA | 690 V | Listed in CEC | |
| SUNSYS-HES-XXL {1500kW, 3258kWh}PCS Data for Inverter and ESS row 1607 | 1500 kVA | 690 V | Listed in CEC | |
| SUNSYS-HES-XXL {1500kW, 3666kWh}PCS Data for Inverter and ESS row 1608 | 1500 kVA | 690 V | Listed in CEC | |
| SUNSYS-HES-XXL {1500kW, 4073kWh}PCS Data for Inverter and ESS row 1609 | 1500 kVA | 690 V | Listed in CEC | |
| SUNSYS-HES-XXL {1500kW, 4480kWh}PCS Data for Inverter and ESS row 1610 | 1500 kVA | 690 V | Listed in CEC | |
| SUNSYS-HES-XXL {1500kW, 4888kWh}PCS Data for Inverter and ESS row 1611 | 1500 kVA | 690 V | Listed in CEC | |
| SUNSYS-HES-XXL {1500kW, 5295kWh}PCS Data for Inverter and ESS row 1612 | 1500 kVA | 690 V | Listed in CEC | |
| SUNSYS-HES-XXL {1500kW, 5702kWh}PCS Data for Inverter and ESS row 1613 | 1500 kVA | 690 V | Listed in CEC | |
| SUNSYS-HES-XXL {1500kW, 6110kWh}PCS Data for Inverter and ESS row 1614 | 1500 kVA | 690 V | Listed in CEC | |
| SUNSYS-HES-XXL {1500kW, 6517kWh}PCS Data for Inverter and ESS row 1615 | 1500 kVA | 690 V | Listed in CEC | |
| SUNSYS-HES-XXL {500kW, 1221kWh}PCS Data for Inverter and ESS row 1616 | 500 kVA | 600 V | Listed in CEC | |
| SUNSYS-HES-XXL {500kW, 1629kWh}PCS Data for Inverter and ESS row 1617 | 500 kVA | 600 V | Listed in CEC | |
| SUNSYS-HES-XXL {500kW, 2036kWh}PCS Data for Inverter and ESS row 1618 | 500 kVA | 600 V | Listed in CEC | |
| SUNSYS-HES-XXL {500kW, 2444kWh}PCS Data for Inverter and ESS row 1619 | 500 kVA | 600 V | Listed in CEC | |
| SUNSYS-HES-XXL {500kW, 2851kWh}PCS Data for Inverter and ESS row 1620 | 500 kVA | 600 V | Listed in CEC | |
| SUNSYS-HES-XXL {500kW, 3258kWh}PCS Data for Inverter and ESS row 1621 | 500 kVA | 600 V | Listed in CEC | |
| SUNSYS-HES-XXL {750kW, 1629kWh}PCS Data for Inverter and ESS row 1622 | 750 kVA | 600 V | Listed in CEC | |
| SUNSYS-HES-XXL {750kW, 2036kWh}PCS Data for Inverter and ESS row 1623 | 750 kVA | 600 V | Listed in CEC | |
| SUNSYS-HES-XXL {750kW, 2444kWh}PCS Data for Inverter and ESS row 1624 | 750 kVA | 600 V | Listed in CEC | |
| SUNSYS-HES-XXL {750kW, 2851kWh}PCS Data for Inverter and ESS row 1625 | 750 kVA | 600 V | Listed in CEC | |
| SUNSYS-HES-XXL {750kW, 3258kWh}PCS Data for Inverter and ESS row 1626 | 750 kVA | 600 V | Listed in CEC |
Source specifications and conditions
Additional source information for SUNSYS-HES-XXL {1000kW, 2036kWh}. Qualifiers, reported control modes and required devices are retained as written. Power-control listings do not establish arbitrary battery/inverter pairings.
- Equipment type
- ESS
- CEC listing date
- 2025-06-23
- Export-only mode
- Y
- Import-only mode
- Y
- No-exchange mode
- Y
- Unrestricted mode
- Y
- Source last update
- 2025-08-21
- Phase configuration
- Multi
- PCS CRD document date
- 2025-07-03
- PCS CRD issuing entity
- QPS Evaluation Services Inc.
- Additional required devices
- Diris Digiware C-31 (4829 0101) + U-30 (4829 0102) + Diris Digiware I-35 (4829 0130), or Diris Digiware U-30 (4829 0102) + Digiware Diris I-35 (4829 0130), or Diris A-40 (4825 0501) or Diris B-30 (4829 0000), paired with SOCOMEC TR or TF series current sensors
- Output voltage as reported (V)
- 600
- Export-only response time (seconds)
- 1.25
- Import-only response time (seconds)
- 1.54
- No-exchange response time (seconds)
- 1.4
- Current measurement reference points
- ESS & Diris Meters & External CTs (TR or TF from SOCOMEC catalog)
- Unrestricted response time (seconds)
- 0.09
- Maximum apparent power as reported (kVA)
- 1000
- Maximum continuous current as reported (A)
- 962
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 CECSUNSYS-HES-XXL {750kW, 3258kWh}
Archived CEC source - Sep 21, 2026 · California Energy CommissionFirst observed: Listed in CECSUNSYS-HES-XXL {750kW, 2851kWh}
Archived CEC source - Sep 21, 2026 · California Energy CommissionFirst observed: Listed in CECSUNSYS-HES-XXL {750kW, 2444kWh}
Archived CEC source - Sep 21, 2026 · California Energy CommissionFirst observed: Listed in CECSUNSYS-HES-XXL {750kW, 2036kWh}
Archived CEC source - Sep 21, 2026 · California Energy CommissionFirst observed: Listed in CECSUNSYS-HES-XXL {750kW, 1629kWh}
Archived CEC source - Sep 21, 2026 · California Energy CommissionFirst observed: Listed in CECSUNSYS-HES-XXL {500kW, 3258kWh}
Archived CEC source - Sep 21, 2026 · California Energy CommissionFirst observed: Listed in CECSUNSYS-HES-XXL {500kW, 2851kWh}
Archived CEC source - Sep 21, 2026 · California Energy CommissionFirst observed: Listed in CECSUNSYS-HES-XXL {500kW, 2444kWh}
Archived CEC source - Sep 21, 2026 · California Energy CommissionFirst observed: Listed in CECSUNSYS-HES-XXL {500kW, 2036kWh}
Archived CEC source - Sep 21, 2026 · California Energy CommissionFirst observed: Listed in CECSUNSYS-HES-XXL {500kW, 1629kWh}
Archived CEC source - Sep 21, 2026 · California Energy CommissionFirst observed: Listed in CECSUNSYS-HES-XXL {500kW, 1221kWh}
Archived CEC source - Sep 21, 2026 · California Energy CommissionFirst observed: Listed in CECSUNSYS-HES-XXL {1500kW, 6517kWh}
Archived CEC source - Sep 21, 2026 · California Energy CommissionFirst observed: Listed in CECSUNSYS-HES-XXL {1500kW, 6110kWh}
Archived CEC source - Sep 21, 2026 · California Energy CommissionFirst observed: Listed in CECSUNSYS-HES-XXL {1500kW, 5702kWh}
Archived CEC source - Sep 21, 2026 · California Energy CommissionFirst observed: Listed in CECSUNSYS-HES-XXL {1500kW, 5295kWh}
Archived CEC source - Sep 21, 2026 · California Energy CommissionFirst observed: Listed in CECSUNSYS-HES-XXL {1500kW, 4888kWh}
Archived CEC source - Sep 21, 2026 · California Energy CommissionFirst observed: Listed in CECSUNSYS-HES-XXL {1500kW, 4480kWh}
Archived CEC source - Sep 21, 2026 · California Energy CommissionFirst observed: Listed in CECSUNSYS-HES-XXL {1500kW, 4073kWh}
Archived CEC source - Sep 21, 2026 · California Energy CommissionFirst observed: Listed in CECSUNSYS-HES-XXL {1500kW, 3666kWh}
Archived CEC source - Sep 21, 2026 · California Energy CommissionFirst observed: Listed in CECSUNSYS-HES-XXL {1500kW, 3258kWh}
Archived CEC source - Sep 21, 2026 · California Energy CommissionFirst observed: Listed in CECSUNSYS-HES-XXL {1500kW, 2851kWh}
Archived CEC source - Sep 21, 2026 · California Energy CommissionFirst observed: Listed in CECSUNSYS-HES-XXL {1250kW, 5702kWh}
Archived CEC source - Sep 21, 2026 · California Energy CommissionFirst observed: Listed in CECSUNSYS-HES-XXL {1250kW, 5295kWh}
Archived CEC source - Sep 21, 2026 · California Energy CommissionFirst observed: Listed in CECSUNSYS-HES-XXL {1250kW, 4888kWh}
Archived CEC source - Sep 21, 2026 · California Energy CommissionFirst observed: Listed in CECSUNSYS-HES-XXL {1250kW, 4480kWh}
Archived CEC source - Sep 21, 2026 · California Energy CommissionFirst observed: Listed in CECSUNSYS-HES-XXL {1250kW, 4073kWh}
Archived CEC source - Sep 21, 2026 · California Energy CommissionFirst observed: Listed in CECSUNSYS-HES-XXL {1250kW, 3666kWh}
Archived CEC source - Sep 21, 2026 · California Energy CommissionFirst observed: Listed in CECSUNSYS-HES-XXL {1250kW, 3258kWh}
Archived CEC source - Sep 21, 2026 · California Energy CommissionFirst observed: Listed in CECSUNSYS-HES-XXL {1250kW, 2851kWh}
Archived CEC source - Sep 21, 2026 · California Energy CommissionFirst observed: Listed in CECSUNSYS-HES-XXL {1250kW, 2444kWh}
Archived CEC source - Sep 21, 2026 · California Energy CommissionFirst observed: Listed in CECSUNSYS-HES-XXL {1000kW, 4480kWh}
Archived CEC source - Sep 21, 2026 · California Energy CommissionFirst observed: Listed in CECSUNSYS-HES-XXL {1000kW, 4073kWh}
Archived CEC source - Sep 21, 2026 · California Energy CommissionFirst observed: Listed in CECSUNSYS-HES-XXL {1000kW, 3666kWh}
Archived CEC source - Sep 21, 2026 · California Energy CommissionFirst observed: Listed in CECSUNSYS-HES-XXL {1000kW, 3258kWh}
Archived CEC source - Sep 21, 2026 · California Energy CommissionFirst observed: Listed in CECSUNSYS-HES-XXL {1000kW, 2851kWh}
Archived CEC source - Sep 21, 2026 · California Energy CommissionFirst observed: Listed in CECSUNSYS-HES-XXL {1000kW, 2444kWh}
Archived CEC source - Sep 21, 2026 · California Energy CommissionFirst observed: Listed in CECSUNSYS-HES-XXL {1000kW, 2036kWh}
Archived CEC source