Value & Volume
GW25K-MT25 kW
GoodWe | GW25K-MT (25 kW, three-phase, medium commercial string)
Three-phaseString3 MPPTs
71/ 100
Strong evidence coverage · 100%
Evidence checked 2026-08-23
Full scorecardScore 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.
| Measure | GW25K-MT | SUN-5K-SG03LP1-AU |
|---|---|---|
| Efficiency | ||
| Design & Flexibility | ||
| Thermal & Physical Resilience | ||
| Features & Integration | ||
| Safety & Compliance | ||
| Guarantee & Backbone | ||
| Energy Ecosystem |
Efficiency
- GW25K-MT
84 / 100 (better value on this row) - SUN-5K-SG03LP1-AU
59 / 100
Design & Flexibility
- GW25K-MT
79 / 100 - SUN-5K-SG03LP1-AU
61 / 100
Thermal & Physical Resilience
- GW25K-MT
71 / 100 - SUN-5K-SG03LP1-AU
76 / 100
Features & Integration
- GW25K-MT
58 / 100 - SUN-5K-SG03LP1-AU
78 / 100
Safety & Compliance
- GW25K-MT
87 / 100 - SUN-5K-SG03LP1-AU
74 / 100
Guarantee & Backbone
- GW25K-MT
66 / 100 - SUN-5K-SG03LP1-AU
74 / 100
Energy Ecosystem
- GW25K-MT
48 / 100 - SUN-5K-SG03LP1-AU
40 / 100
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.
| Measure | GW25K-MT | SUN-5K-SG03LP1-AU |
|---|---|---|
| Architecture | Solar-only string inverter | Hybrid inverter |
| Published rated AC power range | 25 kW | 5 kW |
| Power | 25.0 kW | 5.0 kW |
| Type | String | Hybrid |
| Peak eff | 98.7 % (better value on this row) | 97.6 % |
| MPPTs | 3 (better value on this row) | 2 |
Architecture
- GW25K-MT
- Solar-only string inverter
- SUN-5K-SG03LP1-AU
- Hybrid inverter
Published rated AC power range
- GW25K-MT
- 25 kW
- SUN-5K-SG03LP1-AU
- 5 kW
Power
- GW25K-MT
- 25.0 kW
- SUN-5K-SG03LP1-AU
- 5.0 kW
Type
- GW25K-MT
- String
- SUN-5K-SG03LP1-AU
- Hybrid
Peak eff
- GW25K-MT
- 98.7 % (better value on this row)
- SUN-5K-SG03LP1-AU
- 97.6 %
MPPTs
- GW25K-MT
- 3 (better value on this row)
- SUN-5K-SG03LP1-AU
- 2
Where the comparison separates
OverallGW25K-MT leads the global score by 4 points.
Strongest dimensionsGW25K-MT: Safety & Compliance · SUN-5K-SG03LP1-AU: Features & Integration
Largest differenceGW25K-MT has the largest pillar edge in Efficiency (25 points).
Evidence coverageGW25K-MT: strong evidence coverage (100%) · SUN-5K-SG03LP1-AU: 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 Value & Volume class, on the same rubric weighting. Scores are not comparable across classes or tiers. Full methodology.