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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

PLENTICORE G34–20 kW

KOSTAL | PLENTICORE S/M/L G3 with nine activated output states from 4.0 to 20.0 kW; scored PLENTICORE L G3 20.0

Three-phaseHybrid3 MPPTs

63/ 100

Good

Strong evidence coverage · 100%

Evidence checked 2026-09-22

Full scorecard
Inverter

SMILE-M-S Inverter8–9.999 kW

AlphaESS | SMILE-M8-S-INV, SMILE-M9-S-INV and SMILE-M10-S-INV; scored M10 at 9.999 kW local rating

Single-phaseHybridEssential-load backup4 MPPTs

66/ 100

Very good

Strong evidence coverage · 100%

Evidence checked 2026-09-01

Full scorecard
Side by side

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.

MeasurePLENTICORE G3SMILE-M-S Inverter
Efficiency74 / 100 (better value on this row)52 / 100
Design & Flexibility71 / 10096 / 100
Thermal & Physical Resilience64 / 10070 / 100
Features & Integration64 / 10080 / 100
Safety & Compliance70 / 10070 / 100
Guarantee & Backbone50 / 10054 / 100
Energy Ecosystem40 / 10040 / 100

Efficiency

PLENTICORE G3
74 / 100 (better value on this row)
SMILE-M-S Inverter
52 / 100

Design & Flexibility

PLENTICORE G3
71 / 100
SMILE-M-S Inverter
96 / 100

Thermal & Physical Resilience

PLENTICORE G3
64 / 100
SMILE-M-S Inverter
70 / 100

Features & Integration

PLENTICORE G3
64 / 100
SMILE-M-S Inverter
80 / 100

Safety & Compliance

PLENTICORE G3
70 / 100
SMILE-M-S Inverter
70 / 100

Guarantee & Backbone

PLENTICORE G3
50 / 100
SMILE-M-S Inverter
54 / 100

Energy Ecosystem

PLENTICORE G3
40 / 100
SMILE-M-S Inverter
40 / 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.

MeasurePLENTICORE G3SMILE-M-S Inverter
ArchitectureHybrid inverterHybrid inverter
Published rated AC power range4–20 kW8–9.999 kW
Scored benchmark20 kW9.999 kW
Power20 kW9.999 kW
TypeHybridHybrid
Peak eff98.21 % (better value on this row)97.47 %
MPPTs34 (better value on this row)

Architecture

PLENTICORE G3
Hybrid inverter
SMILE-M-S Inverter
Hybrid inverter

Published rated AC power range

PLENTICORE G3
4–20 kW
SMILE-M-S Inverter
8–9.999 kW

Scored benchmark

PLENTICORE G3
20 kW
SMILE-M-S Inverter
9.999 kW

Power

PLENTICORE G3
20 kW
SMILE-M-S Inverter
9.999 kW

Type

PLENTICORE G3
Hybrid
SMILE-M-S Inverter
Hybrid

Peak eff

PLENTICORE G3
98.21 % (better value on this row)
SMILE-M-S Inverter
97.47 %

MPPTs

PLENTICORE G3
3
SMILE-M-S Inverter
4 (better value on this row)
Decision snapshot

Where the comparison separates

OverallSMILE-M-S Inverter leads the global score by 3 points.
Strongest dimensionsPLENTICORE G3: Efficiency · SMILE-M-S Inverter: Design & Flexibility
Largest differenceSMILE-M-S Inverter has the largest pillar edge in Design & Flexibility (25 points).
Evidence coveragePLENTICORE G3: strong evidence coverage (100%) · SMILE-M-S Inverter: 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.