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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

IQ8AC 208/240 V0.366 kW

Enphase | IQ8AC-72-M-US

Single-phaseMicroinverter208/240 V

66/ 100

Very good

Strong evidence coverage · 100%

Evidence checked 2026-08-06

Fanless Design25-Year WarrantyMicroinverter
Full scorecard
Inverter

18kPV12 kW

EG4 | 18KPV-12LV (part number IV-12000-HYB-AW-XX, where XX is 00 to 99)

HybridEssential-load backup3 MPPTs208/240 V

71/ 100

Very good

Strong evidence coverage · 100%

Evidence checked 2026-08-06

AFCI IntegratedVPP-Ready
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.

MeasureIQ8AC 208/240 V18kPV
Efficiency67 / 100 (better value on this row)60 / 100
Design & Flexibility50 / 10092 / 100
Thermal & Physical Resilience68 / 10064 / 100
Features & Integration62 / 10090 / 100
Safety & Compliance78 / 10065 / 100
Guarantee & Backbone86 / 10064 / 100
Energy Ecosystem52 / 10062 / 100

Efficiency

IQ8AC 208/240 V
67 / 100 (better value on this row)
18kPV
60 / 100

Design & Flexibility

IQ8AC 208/240 V
50 / 100
18kPV
92 / 100

Thermal & Physical Resilience

IQ8AC 208/240 V
68 / 100
18kPV
64 / 100

Features & Integration

IQ8AC 208/240 V
62 / 100
18kPV
90 / 100

Safety & Compliance

IQ8AC 208/240 V
78 / 100
18kPV
65 / 100

Guarantee & Backbone

IQ8AC 208/240 V
86 / 100
18kPV
64 / 100

Energy Ecosystem

IQ8AC 208/240 V
52 / 100
18kPV
62 / 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.

MeasureIQ8AC 208/240 V18kPV
ArchitectureMicroinverterHybrid inverter
Published maximum AC output range0.366 kWNot stated
Power0.366 kWNot recorded
TypeMicroHybrid
Peak eff97.3 %97.5 % (better value on this row)
MPPTs13 (better value on this row)
Published rated AC power rangeNot stated12 kW

Architecture

IQ8AC 208/240 V
Microinverter
18kPV
Hybrid inverter

Published maximum AC output range

IQ8AC 208/240 V
0.366 kW
18kPV
Not stated

Power

IQ8AC 208/240 V
0.366 kW
18kPV
Not recorded

Type

IQ8AC 208/240 V
Micro
18kPV
Hybrid

Peak eff

IQ8AC 208/240 V
97.3 %
18kPV
97.5 % (better value on this row)

MPPTs

IQ8AC 208/240 V
1
18kPV
3 (better value on this row)

Published rated AC power range

IQ8AC 208/240 V
Not stated
18kPV
12 kW
Decision snapshot

Where the comparison separates

Overall18kPV leads the global score by 5 points.
Strongest dimensionsIQ8AC 208/240 V: Guarantee & Backbone · 18kPV: Design & Flexibility
Largest difference18kPV has the largest pillar edge in Design & Flexibility (42 points).
Evidence coverageIQ8AC 208/240 V: strong evidence coverage (100%) · 18kPV: 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.