GoodWe GW15K-SDT-30 vs SMA Sunny Tripower X 15
AC power: GoodWe GW15K-SDT-30 15 kW, SMA Sunny Tripower X 15 15 kW. The GoodWe GW15K-SDT-30 is better on 4 of 9 comparable points.
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Both models in detail
Who wins where
- GoodWe GW15K-SDT-30
- SMA Sunny Tripower X 15
Biggest differences
| Fact | GW15K-SDT-30 | Sunny Tripower X 15 |
|---|---|---|
| Weight | 16.2 kg | 35 kg |
| MPPT voltage min. | 140 V | 260 V |
| MPP trackers | 2 | 3 |
| Max. input current per MPPT | 22 A | 24 A |
Score per area = position (0–100) relative to all 263 models in this category; higher is better.
| Technical specifications | GoodWeGW15K-SDT-30 | SMASunny Tripower X 15 |
|---|---|---|
| Performance | ||
| AC power | 15 kW1 | 15 kW2 |
| MPP trackers | 21 | 3✓2 |
| Efficiency | ||
| Max. efficiency | 98.5 %✓1 | 98.2 %2 |
| European efficiency | 98.2 %✓1 | 97.8 %2 |
| Noise | ||
| Noise | – | 59 dB(A)2 |
| Electrical | ||
| MPPT voltage min. | 140 V✓1 | 260 V2 |
| MPPT voltage max. | 1,000 V1 | 1,000 V2 |
| Max. input current per MPPT | 22 A1 | 24 A✓2 |
| Phases | 31 | 32 |
| Connectivity & smart | ||
| Wi-Fi / monitoring | Yes1 | Yes2 |
| Dimensions & weight | ||
| IP rating | IP661 | IP652 |
| Width | 491 mm1 | 728 mm2 |
| Height | 392 mm1 | 762 mm2 |
| Depth | 210 mm1 | 266 mm2 |
| Weight | 16.2 kg✓1 | 35 kg2 |
| Warranty & lifespan | ||
| Warranty | – | 5 years2 |
Frequently asked questions
Which is better: the GoodWe GW15K-SDT-30 or the SMA Sunny Tripower X 15?
AC power: GoodWe GW15K-SDT-30 15 kW, SMA Sunny Tripower X 15 15 kW. The GoodWe GW15K-SDT-30 is better on 4 of 9 comparable points.
What is the AC power of the GoodWe GW15K-SDT-30 and the SMA Sunny Tripower X 15?
GoodWe GW15K-SDT-30: 15 kW. SMA Sunny Tripower X 15: 15 kW.
Which is better on weight: the GoodWe GW15K-SDT-30 or the SMA Sunny Tripower X 15?
GoodWe GW15K-SDT-30: 16.2 kg. SMA Sunny Tripower X 15: 35 kg.
Which is better on MPPT voltage min.: the GoodWe GW15K-SDT-30 or the SMA Sunny Tripower X 15?
GoodWe GW15K-SDT-30: 140 V. SMA Sunny Tripower X 15: 260 V.
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How we collect and check this data →
Sources
- SDT G3 Series 4–20 kW string inverter (EMEA) – datasheet, EN-EMEA V2.1 (20250707) — GoodWe Technologies Co., Ltd. · accessed 27 Sept 2026
- Sunny Tripower X 12 / 15 / 20 / 25, 02/2025 — SMA Solar Technology AG · accessed 17 Oct 2026