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Compare like with like. Aligned scores, specifications and local evidence within one scoring class or tier.

Market context

Global benchmark

Inverter

Powerwall 3P Integrated Inverter5–15.4 kW

Tesla | Powerwall 3P integrated three-phase inverter, model 1988000-xx-y; scored at 15.4 kW

Three-phaseHybridWhole-home backup4 MPPTs

66/ 100

Very good

Strong evidence coverage · 100%

Evidence checked 2026-08-16

IP67 RatedWhole-Home Backup
Full scorecard
Inverter

SUN SG05 AU-AM2-P7–9.999 kW

Deye | SUN-7K-SG05LP1-AU-AM2-P / SUN-7.6K-SG05LP1-AU-AM2-P / SUN-8K-SG05LP1-AU-AM2-P / SUN-10K-SG05LP1-AU-AM2-P; scored model SUN-10K-SG05LP1-AU-AM2-P

Single-phaseHybridEssential-load backup2 MPPTs

70/ 100

Very good

Strong evidence coverage · 100%

Evidence checked 2026-08-10

AFCI Integrated
Full scorecard
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Score profile

marks the better value on rows where a higher number is better. Temperature coefficient counts as higher when it is closer to zero. Size measures such as rated power carry no marker, because a larger product is a different choice rather than a better one.

MeasurePowerwall 3P Integrated InverterSUN SG05 AU-AM2-P
Efficiency65 / 100 (better value on this row)60 / 100
Design & Flexibility78 / 10083 / 100
Thermal & Physical Resilience72 / 10076 / 100
Features & Integration86 / 10084 / 100
Safety & Compliance70 / 10078 / 100
Guarantee & Backbone50 / 10072 / 100
Energy Ecosystem40 / 10036 / 100

Efficiency

Powerwall 3P Integrated Inverter
65 / 100 (better value on this row)
SUN SG05 AU-AM2-P
60 / 100

Design & Flexibility

Powerwall 3P Integrated Inverter
78 / 100
SUN SG05 AU-AM2-P
83 / 100

Thermal & Physical Resilience

Powerwall 3P Integrated Inverter
72 / 100
SUN SG05 AU-AM2-P
76 / 100

Features & Integration

Powerwall 3P Integrated Inverter
86 / 100
SUN SG05 AU-AM2-P
84 / 100

Safety & Compliance

Powerwall 3P Integrated Inverter
70 / 100
SUN SG05 AU-AM2-P
78 / 100

Guarantee & Backbone

Powerwall 3P Integrated Inverter
50 / 100
SUN SG05 AU-AM2-P
72 / 100

Energy Ecosystem

Powerwall 3P Integrated Inverter
40 / 100
SUN SG05 AU-AM2-P
36 / 100
Side by side

Key specifications

marks the better value on rows where a higher number is better. Temperature coefficient counts as higher when it is closer to zero. Size measures such as rated power carry no marker, because a larger product is a different choice rather than a better one.

MeasurePowerwall 3P Integrated InverterSUN SG05 AU-AM2-P
ArchitectureHybrid inverterHybrid inverter
Published rated AC power range5–15.4 kW7–9.999 kW
Scored benchmark15.4 kW9.999 kW
Power15.4 kW9.999 kW
TypeHybridHybrid
Peak effNot recorded97.6 %
MPPTs4 (better value on this row)2

Architecture

Powerwall 3P Integrated Inverter
Hybrid inverter
SUN SG05 AU-AM2-P
Hybrid inverter

Published rated AC power range

Powerwall 3P Integrated Inverter
5–15.4 kW
SUN SG05 AU-AM2-P
7–9.999 kW

Scored benchmark

Powerwall 3P Integrated Inverter
15.4 kW
SUN SG05 AU-AM2-P
9.999 kW

Power

Powerwall 3P Integrated Inverter
15.4 kW
SUN SG05 AU-AM2-P
9.999 kW

Type

Powerwall 3P Integrated Inverter
Hybrid
SUN SG05 AU-AM2-P
Hybrid

Peak eff

Powerwall 3P Integrated Inverter
Not recorded
SUN SG05 AU-AM2-P
97.6 %

MPPTs

Powerwall 3P Integrated Inverter
4 (better value on this row)
SUN SG05 AU-AM2-P
2
Decision snapshot

Where the comparison separates

OverallSUN SG05 AU-AM2-P leads the global score by 4 points.
Strongest dimensionsPowerwall 3P Integrated Inverter: Features & Integration · SUN SG05 AU-AM2-P: Features & Integration
Largest differenceSUN SG05 AU-AM2-P has the largest pillar edge in Guarantee & Backbone (22 points).
Evidence coveragePowerwall 3P Integrated Inverter: strong evidence coverage (100%) · SUN SG05 AU-AM2-P: strong evidence coverage (100%)

A score lead is only meaningful inside this shared class or tier. Weigh it against the specification and evidence rows above before deciding.

Both products are scored in the Inverter class, on the same rubric weighting. Scores are not comparable across classes or tiers. Full methodology.