| Published power range | 27 kW |
| Scored benchmark | 27 kW |
| Rated AC power | 27 kW |
| Phases | 3-phase |
| Peak efficiency | 98.5% |
| Weighted efficiency | 98.4% |
| Number of MPPTs | 4 |
| Max input current / MPPT | 28 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.
Verto 27.0 · 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 and the next page are the full record for verification and right of reply.
| Efficiency | |||
| Peak efficiency (%) | 98.5 | est. | No link |
| Weighted efficiency (CEC/Euro %) | 98.4 | stated | No link |
| Semiconductor technology | IGBT / MOSFET (standard silicon) | est. | No link |
| Night standby consumption (W) | 16 | stated | Source |
| Design & Flexibility | |||
| Number of MPPTs | 4 | stated | Source |
| Max DC:AC oversizing ratio | 1.5 | stated | No link |
| Max input current per MPPT (A) | 28 | stated | No link |
| Thermal & Physical Resilience | |||
| Thermal management | Fan-cooled | est. | No link |
| Ingress protection | IP66 | stated | No link |
| Operating temperature range | Wide (-25 to 60C+), no derate to high temp | stated | No link |
| Surge protection | Type I+II DC + AC SPD | est. | No link |
| Features & Integration | |||
| Hybrid / battery capability | String only | stated | No link |
| Backup / islanding | No backup | stated | No link |
| Monitoring & smart features | App + smart features | stated | No link |
| Reactive power range | ±0.8 pf leading/lagging: Q(U) compliant | stated | No link |
review.solar · audit sheet · Solar Analytica inverter rubric v3.6.0 · https://review.solar/cards/fronius-international-gmbh-fronius-verto-27-0
Verto 27.0 · continued from page 2 · Solar Analytica rubric Solar Analytica inverter rubric v3.6.0.
| Safety & Compliance | |||
| Grid & safety certification | IEC 62109 + grid codes, 3+ markets | stated | Source |
| Shutdown / arc safety | String with AFCI (integrated, enabled by default) | stated | No link |
| Guarantee & Backbone | |||
| Warranty period (yrs) | 10 | stated | No link |
| Warranty assurance | Parts & labour | stated | No link |
| Financial strength & warranty backing | Financially strong (profitable / strong parent) | est. | No link |
| Manufacturing track record | 15+ years, field-proven | stated | No link |
| Energy Ecosystem | |||
| Open protocol & API maturity | Modbus TCP + REST local + SunSpec certified | est. | No link |
| VPP & grid services readiness | VPP-capable + live VPP program (named market) | est. | No link |
| EV charging integration | No EV integration | est. | No link |
| Thermal load management | Native SG-Ready or direct heat pump protocol integration | est. | No link |
| Smart home & IoT depth | Community integration (Home Assistant, no native support) | est. | No link |
| Firmware & security disclosure | Security page or vulnerability disclosure published | stated | Source |
review.solar · audit sheet · Solar Analytica inverter rubric v3.6.0 · https://review.solar/cards/fronius-international-gmbh-fronius-verto-27-0