Side-by-side

Compare

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

Market context

Global benchmark

Inverter

ET G2

GoodWe

79/ 100

Superior

Strong evidence coverage · 100%

Evidence checked 2026-08-02

Fanless DesignAFCI IntegratedIP66 RatedWhole-Home Backup
Full scorecard
Inverter

Primo GEN24 10.0

Fronius

55/ 100

Average

Strong evidence coverage · 100%

Evidence checked 2026-07-16

AFCI IntegratedWhole-Home Backup
Full scorecard
Side by side

Score profile

MeasureET G2Primo GEN24 10.0
Efficiency72 / 10047 / 100
Design & Flexibility82 / 10052 / 100
Thermal & Physical Resilience90 / 10047 / 100
Features & Integration90 / 10086 / 100
Safety & Compliance87 / 10062 / 100
Guarantee & Backbone80 / 10040 / 100
Energy Ecosystem50 / 10054 / 100

Efficiency

ET G2
72 / 100
Primo GEN24 10.0
47 / 100

Design & Flexibility

ET G2
82 / 100
Primo GEN24 10.0
52 / 100

Thermal & Physical Resilience

ET G2
90 / 100
Primo GEN24 10.0
47 / 100

Features & Integration

ET G2
90 / 100
Primo GEN24 10.0
86 / 100

Safety & Compliance

ET G2
87 / 100
Primo GEN24 10.0
62 / 100

Guarantee & Backbone

ET G2
80 / 100
Primo GEN24 10.0
40 / 100

Energy Ecosystem

ET G2
50 / 100
Primo GEN24 10.0
54 / 100
Side by side

Key specifications

MeasureET G2Primo GEN24 10.0
Published rated AC power range6–15 kW10 kW
Scored benchmark15 kWNot stated
Power15.0 kW10.0 kW
TypeHybridHybrid
Peak eff98.2 %Not recorded
MPPTs32

Published rated AC power range

ET G2
6–15 kW
Primo GEN24 10.0
10 kW

Scored benchmark

ET G2
15 kW
Primo GEN24 10.0
Not stated

Power

ET G2
15.0 kW
Primo GEN24 10.0
10.0 kW

Type

ET G2
Hybrid
Primo GEN24 10.0
Hybrid

Peak eff

ET G2
98.2 %
Primo GEN24 10.0
Not recorded

MPPTs

ET G2
3
Primo GEN24 10.0
2
Decision snapshot

Where the comparison separates

OverallET G2 leads the global score by 24 points.
Strongest dimensionsET G2: Thermal & Physical Resilience · Primo GEN24 10.0: Features & Integration
Largest differenceET G2 has the largest pillar edge in Thermal & Physical Resilience (43 points).
Evidence coverageET G2: strong evidence coverage (100%) · Primo GEN24 10.0: 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.