Growatt SPE 12000 US
For off-grid homes that need whole-house 240 V power and a big solar array at a very low price per kW.
Self2Solar $1,769$1,769
The Growatt SPE 12000 US is the better hybrid solar inverter overall, rated 4.2 to 2.8. The Growatt SPE 12000 US leads on solar input and features.
Growatt SPF 12000T DVM-MPV
For an off-grid home with big motor loads such as a well pump or shop tools. Its solar input is small for its size, so plan on a generator or a second charge controller.
Self2Solar Portlandia Electric SupplyPrices were last checked October 23, 2026 and are subject to change; the price and availability shown by the retailer at the time of purchase apply.
Which should you buy?
- Choose the Growatt SPE 12000 US for solar input (18,000 W of panels, 550 V max, 2 MPPTs vs 7,000 W of panels, 250 V max, 2 MPPTs) and features (UL 1741 listed, Wi-Fi add-on, parallel stacking, generator input, battery communication vs UL 1741 listed, Wi-Fi add-on; no grid sell-back).
Scores side by side
Each factor is scored 0-100 against the same fixed reference points for every 120/240 V split-phase hybrid solar inverter; a clear win is highlighted. How we rank explains each one.
| Factor weight | Growatt SPE 12000 US | Growatt SPF 12000T DVM-MPV |
|---|---|---|
| Overall rating | 4.2/5 | 2.8/5 |
| Value 30% | 100 $147 per kW of continuous output | 50 no current price (neutral score used) |
| Solar input 20% | 68 18,000 W of panels, 550 V max, 2 MPPTs | 15 7,000 W of panels, 250 V max, 2 MPPTs |
| Efficiency 20% | 67 95% peak efficiency, 75 W idle | 25 85% peak efficiency |
| Features 15% | 82 UL 1741 listed, Wi-Fi add-on, parallel stacking, generator input, battery communication | 52 UL 1741 listed, Wi-Fi add-on; no grid sell-back |
| Warranty 15% | 44 5-year warranty | 50 warranty not published (neutral score used) |
Specifications
| Growatt SPE 12000 US | Growatt SPF 12000T DVM-MPV | |
|---|---|---|
| Output | ||
| Output voltage | 120/240 V split-phase | 120/240 V split-phase |
| Continuous output | 12,000 W | 12,000 W |
| Surge | - | 36,000 W |
| Peak efficiency | 95% | 85% |
| CEC efficiency | 94.5% | - |
| Idle draw | 75 W | - |
| Transfer time | 20 ms | 10 ms |
| Parallel units | Up to 9 units | - |
| Solar | ||
| Max PV power | 18,000 W | 7,000 W |
| Max PV voltage (Voc) | 550 V | 250 V |
| MPPT range | 60 to 480 V | 60 to 245 V |
| MPPT trackers | 2 | 2 |
| PV current per tracker | 27 A | - |
| Runs without battery | Yes | - |
| Battery and grid | ||
| Battery voltage | 48 V | 48 V |
| Battery types | Lithium, lead-acid | Lithium, lead-acid |
| Max charge current | 250 A | 120 A |
| AC charge current | 250 A | 100 A |
| Battery communication | Yes | - |
| Grid sell-back | - | No |
| Generator input | Yes | No |
| UL 1741 | Yes | Yes |
| Build | ||
| App monitoring | Optional add-on | Optional add-on |
| Enclosure | IP20 | IP20 |
| Dimensions | 550 x 465 x 150 mm | 380 x 650 x 225 mm |
| Weight | 47.4 lb | 165.3 lb |
| Warranty | 5 years | - |
| Released | 2025-09 | 2021-05 |