| Published power range | 6–15 kW |
| Scored benchmark | 15 kW |
| Rated AC power | 15 kW |
| Peak efficiency | 98.2% |
| Weighted efficiency | 97.5% |
| Number of MPPTs | 3 |
| Max input current / MPPT | 16 A |
| Ingress protection | IP66 |
| Warranty period | 10 yr |
| Grid & safety certification | IEC 62109 + national grid codes certified for 3+ markets |
| Manufacturing track record | 15+ years, field-proven |
Some values are estimated where independent verification was not available: see the full scorecard and review.solar/terms.
ET G2 · 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 (%) | 98.2 | datasheet | Source |
| Weighted efficiency (CEC/Euro %) | 97.5 | datasheet | Source |
| Night standby consumption (W) | 15 | datasheet | Source +1 |
| 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 | Fanless / natural convection | datasheet | Source |
| Ingress protection | IP66 | datasheet | Source |
| Operating temperature range | Standard | datasheet | Source |
| 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 +1 |
| Reactive power range | ±0.8 pf leading/lagging: Q(U) compliant | datasheet | Source +1 |
| Safety & Compliance | |||
| Grid & safety certification | IEC 62109 + grid codes, 3+ markets | datasheet | Source +1 |
| Shutdown / arc safety | String with AFCI (optional / software-activatable) | datasheet | Source +1 |
| Guarantee & Backbone | |||
| Warranty period (yrs) | 10 | datasheet | Source |
| Warranty assurance | Parts & labour | datasheet | Source |
| Financial strength & warranty backing | Financially strong (profitable / strong parent) | datasheet | Source +1 |
| Manufacturing track record | 15+ years, field-proven | datasheet | Source +1 |
| Energy Ecosystem | |||
| Thermal load management | Native SG-Ready or direct heat pump protocol integration | datasheet | Source +1 |
| Firmware & security disclosure | Firmware updates referenced; no security documentation | datasheet | Source +2 |
review.solar · audit sheet · Solar Analytica inverter rubric v3.6.0 · https://review.solar/cards/goodwe-et-g2-6-15kw-au