review.solar · Sourced values document
SG150CX
150 kW · String · Three-phase · 7 MPPTs
Sungrow
Inverter
Evidence checked 2026-09-03 · Scored to Solar Analytica inverter rubric v3.7.0
72/100
Very good
Overall
Score by category
Efficiency
79
Design & Flexibility
90
Thermal & Physical Resilience
78
Features & Integration
55
Safety & Compliance
95
Guarantee & Backbone
62
Energy Ecosystem
42
Sourced specification values
Published power range150 kW
Scored benchmark150 kW
Rated AC power150 kW
Peak efficiency98.8%
Weighted efficiency98.2%
Number of MPPTs7
Max input current / MPPT48 A
Ingress protectionIP66
Grid & safety certificationIEC 62109 + national grid codes certified for 3+ markets
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

SG150CX · 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 (%)98.8datasheetSource
Weighted efficiency (CEC/Euro %)98.2datasheetSource
Semiconductor technologyNot disclosedreviewed absenceSource
Night standby consumption (W)7datasheetSource
Design & Flexibility
Number of MPPTs7datasheetSource
Max DC:AC oversizing ratio1.4datasheetSource
Max input current per MPPT (A)48datasheetSource
Thermal & Physical Resilience
Thermal managementFan-cooleddatasheetSource
Ingress protectionIP66datasheetSource
Operating temperature rangeStandarddatasheetSource
Surge protectionType I+II DC + AC SPDdatasheetSource
Features & Integration
Hybrid / battery capabilityString onlydatasheetSource
Backup / islandingNo backupdatasheetSource
Monitoring & smart featuresApp + smart features + string-level visibilitydatasheetSource +1
Safety & Compliance
Grid & safety certificationIEC 62109 + grid codes, 3+ marketsdatasheetSource
Shutdown / arc safetyString with AFCI (integrated, enabled by default)datasheetSource
Guarantee & Backbone
Warranty assuranceParts onlydatasheetSource
Financial strength & warranty backingStable / listeddatasheetSource +1
Manufacturing track record15+ years, field-provendatasheetSource
Energy Ecosystem
Open protocol & API maturityProprietary / no documented APIreviewed absenceSource +1
VPP & grid services readinessNo VPP capabilityreviewed absenceSource +1
EV charging integrationNo EV integrationreviewed absenceSource +1
Thermal load managementNo thermal load integrationreviewed absenceSource +1
Smart home & IoT depthNo local smart home integrationreviewed absenceSource +1
Firmware & security disclosureVulnerability disclosure policy + firmware/security documentation publisheddatasheetSource

review.solar · audit sheet · Solar Analytica inverter rubric v3.7.0 · https://review.solar/cards/sungrow-sg150cx-in