Solar inverters · Compare

GoodWe GW12K-ET-20 vs Huawei SUN2000-12K-MAP0

AC power: GoodWe GW12K-ET-20 12 kW, Huawei SUN2000-12K-MAP0 12 kW. The Huawei SUN2000-12K-MAP0 is better on 5 of 12 comparable points.

Who wins where

  • GoodWe GW12K-ET-20
  • Huawei SUN2000-12K-MAP0
PerformanceEfficiencyElectricalConnectivity & smartDimensions & weight
Performance: GoodWe GW12K-ET-20 89, Huawei SUN2000-12K-MAP0 75; Efficiency: GoodWe GW12K-ET-20 68, Huawei SUN2000-12K-MAP0 98; Electrical: GoodWe GW12K-ET-20 58, Huawei SUN2000-12K-MAP0 56; Connectivity & smart: GoodWe GW12K-ET-20 56, Huawei SUN2000-12K-MAP0 39; Dimensions & weight: GoodWe GW12K-ET-20 24, Huawei SUN2000-12K-MAP0 42

Biggest differences

FactGW12K-ET-20SUN2000-12K-MAP0
MPP trackers32
MPPT voltage min.120 V160 V
Weight25 kg21 kg
MPPT voltage max.850 V1,000 V
Max. PV array power19.2 kWp22 kWp
All specifications ↓

Score per area = position (0–100) relative to all 238 models in this category; higher is better.

Technical specifications GoodWeGW12K-ET-20 HuaweiSUN2000-12K-MAP0
Performance
AC power 12 kW 1 12 kW 2
Max. PV array power 19.2 kWp 1 22 kWp ✓ 3
MPP trackers 3 ✓ 1 2 3
Efficiency
Max. efficiency 98.2 % 1 98.6 % ✓ 3
European efficiency 97.5 % 1 98.2 % ✓ 3
Electrical
MPPT voltage min. 120 V ✓ 1 160 V 3
MPPT voltage max. 850 V 1 1,000 V ✓ 3
Max. input current per MPPT 16 A 1 16 A 3
Phases 3 1 3 2
Connectivity & smart
Hybrid (battery-ready) Yes ✓ 1 No 2
Backup power Yes 1 Yes 3
Wi-Fi / monitoring Yes 1 Yes 3
Dimensions & weight
IP rating IP66 1 IP66 3
Width 496 mm 1 490 mm 3
Height 460 mm 1 460 mm 3
Depth 221 mm 1 130 mm 3
Weight 25 kg 1 21 kg ✓ 3

Sources

  1. ET G2 Series 6–15 kW hybrid inverter (EMEA) – datasheet, EN-EMEA V1.1 (20241022) — GoodWe Technologies Co., Ltd. · accessed 27 Sept 2026
  2. ENA Type Test Register (inverters) — Energy Networks Association (ENA) · accessed 27 Sept 2026
  3. SUN2000-5/6/8/10/12K-MAP0 – datasheet, 02-202406 — Huawei Digital Power Technologies Co., Ltd. · accessed 27 Sept 2026