review.solar · Sourced values document
EK90 HS5 T3
9.999–20 kW · Hybrid · Three-phase · 3 MPPTs · Whole-home backup
SAJ
Inverter
Released 2026 · Evidence checked 2026-08-26 · Scored to Solar Analytica inverter rubric v3.7.0
74/100
Very good
Overall
Score by category
Efficiency
71
Design & Flexibility
90
Thermal & Physical Resilience
76
Features & Integration
86
Safety & Compliance
78
Guarantee & Backbone
72
Energy Ecosystem
45
Sourced specification values
Published power range9.999–20 kW
Scored benchmark20 kW
Rated AC power20 kW
Phases3-phase
Peak efficiency98.2%
Weighted efficiency97.6%
Number of MPPTs3
Max input current / MPPT20 A
Ingress protectionIP66
Warranty period15 yr
Grid & safety certificationIEC 62109 certified; national grid-code certification not ev
Manufacturing track record15+ years, field-proven

Some values are estimated where independent verification was not available: see the full scorecard and review.solar/terms.

Page 2 · Audit sheet: complete sourced record

EK90 HS5 T3 · every criterion scored by the live rubric (Solar Analytica inverter rubric v3.7.0), 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 (%)98.2datasheetSource
Weighted efficiency (CEC/Euro %)97.6datasheetSource
Semiconductor technologyNot disclosedreviewed absenceSource +1
Design & Flexibility
Number of MPPTs3datasheetSource
Max DC:AC oversizing ratio2.0datasheetSource
Max input current per MPPT (A)20datasheetSource
Thermal & Physical Resilience
Thermal managementFan-cooleddatasheetSource
Ingress protectionIP66datasheetSource
Operating temperature rangeStandarddatasheetSource
Surge protectionType II DC + AC SPDdatasheetSource
Features & Integration
Hybrid / battery capabilityHybrid (battery-ready) + backupdatasheetSource
Backup / islandingWhole-home / full backupdatasheetSource
Monitoring & smart featuresApp + smart featuresdatasheetSource +1
Safety & Compliance
Grid & safety certificationIEC 62109 onlyreviewed absenceSource +1
Shutdown / arc safetyString with AFCI (integrated, enabled by default)datasheetSource
Guarantee & Backbone
Warranty period (yrs)15datasheetSource
Warranty assuranceParts onlydatasheetSource
Manufacturing track record15+ years, field-provendatasheetSource
Energy Ecosystem
Open protocol & API maturityProprietary / no documented APIreviewed absenceSource +1
VPP & grid services readinessVPP-capable (protocol ready, no confirmed live program)datasheetSource +1
Firmware & security disclosureFirmware updates referenced; no security documentationreviewed absenceSource +1

review.solar · audit sheet · Solar Analytica inverter rubric v3.7.0 · https://review.solar/cards/saj-ek90-hs5-t3-9-999-20-au