| Published power range | 5–12 kW |
| Scored benchmark | 12 kW |
| Rated AC power | 12 kW |
| Phases | 3-phase |
| Peak efficiency | 98.3% |
| Weighted efficiency | 97.7% |
| Number of MPPTs | 3 |
| Max input current / MPPT | 16 A |
| Ingress protection | IP66 |
| Grid & safety certification | IEC 62109 + national grid code certified for 1 market |
| Manufacturing track record | 1-4 years, scaling |
Some values are estimated where independent verification was not available: see the full scorecard and review.solar/terms.
SigenStor EC TP · every criterion scored by the live rubric (Solar Analytica inverter rubric v3.6.0), with its recorded value, evidence status, and any linked source. Page 1 carries the buying-decision summary; this page is the full record for verification and right of reply.
| Efficiency | |||
| Peak efficiency (%) | 98.3 | datasheet | Source |
| Weighted efficiency (CEC/Euro %) | 97.7 | datasheet | Source |
| Semiconductor technology | Not disclosed | not found | Source |
| Design & Flexibility | |||
| Number of MPPTs | 3 | datasheet | Source |
| Max DC:AC oversizing ratio | 1.6 | datasheet | Source |
| Max input current per MPPT (A) | 16 | datasheet | Source |
| Thermal & Physical Resilience | |||
| Thermal management | Smart / variable-speed fan | datasheet | Source |
| Ingress protection | IP66 | datasheet | Source |
| Operating temperature range | Standard | datasheet | Source +1 |
| Surge protection | Type II DC + AC SPD | datasheet | Source |
| Features & Integration | |||
| Hybrid / battery capability | Hybrid (battery-ready) + backup | datasheet | Source |
| Backup / islanding | Whole-home / full backup | datasheet | Source +1 |
| Monitoring & smart features | App + smart features | datasheet | Source +2 |
| Reactive power range | ±0.8 pf leading/lagging: Q(U) compliant | datasheet | Source +1 |
| Safety & Compliance | |||
| Grid & safety certification | IEC 62109 + grid code, 1 market | stated | Source |
| Shutdown / arc safety | String | datasheet | Source +1 |
| Guarantee & Backbone | |||
| Financial strength & warranty backing | Stable / listed | datasheet | Source |
| Manufacturing track record | 1-4 years, scaling | datasheet | Source +1 |
| Energy Ecosystem | |||
| Open protocol & API maturity | Modbus TCP + cloud API | datasheet | Source +2 |
| VPP & grid services readiness | Frequency ancillary services capable + live VPP program (named market) + open | datasheet | Source +1 |
| Thermal load management | Smart relay switching (excess solar triggered) | datasheet | Source +1 |
| Firmware & security disclosure | Vulnerability disclosure policy + firmware/security documentation published | datasheet | Source +2 |
review.solar · audit sheet · Solar Analytica inverter rubric v3.6.0 · https://review.solar/cards/sigenergy-sigenstor-ec-5-12-tp-au