review.solar · Sourced values document
SG12RT-P2
5–12 kW · String · Three-phase · 2 MPPTs
Sungrow
Inverter
Evidence checked 2026-09-03 · Scored to Solar Analytica inverter rubric v3.7.0
71/100
Very good
Overall
Score by category
Efficiency
71
Design & Flexibility
83
Thermal & Physical Resilience
85
Features & Integration
53
Safety & Compliance
95
Guarantee & Backbone
62
Energy Ecosystem
42
Sourced specification values
Published power range5–12 kW
Scored benchmark12 kW
Rated AC power12 kW
Peak efficiency98.3%
Weighted efficiency97.9%
Number of MPPTs2
Max input current / MPPT32 A
Ingress protectionIP65
Warranty period5 yr
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

SG12RT-P2 · 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 (%)98.3datasheetSource
Weighted efficiency (CEC/Euro %)97.9datasheetSource
Semiconductor technologyNot disclosedreviewed absenceSource
Design & Flexibility
Number of MPPTs2datasheetSource
Max DC:AC oversizing ratio1.5datasheetSource
Max input current per MPPT (A)32datasheetSource
Thermal & Physical Resilience
Thermal managementFanless / natural convectiondatasheetSource
Ingress protectionIP65datasheetSource
Operating temperature rangeStandarddatasheetSource
Surge protectionType II DC + AC SPDdatasheetSource
Features & Integration
Hybrid / battery capabilityString onlydatasheetSource
Backup / islandingNo backupdatasheetSource
Monitoring & smart featuresApp + smart featuresdatasheetSource +1
Safety & Compliance
Grid & safety certificationIEC 62109 + grid codes, 3+ marketsdatasheetSource
Shutdown / arc safetyString with AFCI (integrated, enabled by default)datasheetSource
Guarantee & Backbone
Warranty period (yrs)5datasheetSource +1
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-sg12rt-p2-in