SolarEdge SE11400H-US vs Growatt MOD 10000TL3-XH
The SolarEdge SE11400H-US edges ahead in this string-vs-string matchup. It delivers higher efficiency (99% vs 97.5% CEC) with a longer 12-year warranty. For most installations in this power range, the SolarEdge SE11400H-US is the stronger choice.
Key Differences
- • SolarEdge SE11400H-US delivers 11.4 kW AC output while Growatt MOD 10000TL3-XH delivers 10.0 kW, a 1400W difference.
- • SolarEdge SE11400H-US achieves 99% CEC efficiency vs 97.5%.
- • SolarEdge SE11400H-US offers a 12-year warranty vs 10 years.
- • SolarEdge SE11400H-US has 1 MPPT inputs while Growatt MOD 10000TL3-XH has 2, affecting panel configuration flexibility.
Specifications Breakdown
Power Output & Efficiency
The SolarEdge SE11400H-US delivers 11.4 kW AC output at 99% CEC efficiency (99% peak), while the Growatt MOD 10000TL3-XH delivers 10.0 kW at 97.5% CEC (98.6% peak). The 1400W power difference determines the maximum solar array each inverter can handle. The SolarEdge SE11400H-US's higher CEC efficiency means it converts 1.5 percentage points more DC solar energy into usable AC electricity. On an average 8 kW system producing 12,000 kWh annually, this efficiency gap translates to approximately 180 kWh more usable energy per year, worth roughly $27 at $0.15/kWh.
MPPT Trackers & Panel Configuration
The SolarEdge SE11400H-US features 1 MPPT input while the Growatt MOD 10000TL3-XH has 2. More MPPT trackers allow independent optimization of panel strings facing different directions or experiencing different shading conditions. The Growatt MOD 10000TL3-XH with 2 MPPTs is better suited for complex roof layouts with multiple orientations, while 1 MPPT is sufficient for a single unshaded array facing one direction. The SolarEdge SE11400H-US accepts up to 480V DC input with a 380-480V operating range, versus 1000V DC and 200-1000V for the Growatt MOD 10000TL3-XH.
Monitoring & Communication
The SolarEdge SE11400H-US includes SolarEdge Monitoring Platform (WiFi/Ethernet/Cellular) monitoring with Power Line Communication with Optimizers communication, while the Growatt MOD 10000TL3-XH offers Growatt ShinePhone App (WiFi) via WiFi, RS485. Different monitoring ecosystems mean different mobile app experiences, data granularity, and integration options with third-party energy management systems. Reliable monitoring is essential for detecting production drops, identifying panel-level issues, and maximizing system uptime over the inverter's lifetime. The SolarEdge SE11400H-US carries an IP65 enclosure rating versus IP66 for the Growatt MOD 10000TL3-XH, which affects outdoor installation suitability.
Warranty & Reliability
The SolarEdge SE11400H-US comes with a 12-year warranty while the Growatt MOD 10000TL3-XH offers 10 years. The SolarEdge SE11400H-US provides 2 extra years of coverage. Since inverters are the most failure-prone component in a solar system (with typical lifespans of 10-15 years for string inverters and 20-25+ years for microinverters), warranty length directly impacts long-term cost of ownership. Consider budgeting for a potential inverter replacement during the 25-30 year lifespan of your solar panels.
Specification Comparison
| Specification | SolarEdge SE11400H-US | Growatt MOD 10000TL3-XH |
|---|---|---|
| Type | string | string |
| AC Power | 11400W | 10000W |
| Peak Efficiency | 99% | 98.6% |
| CEC Efficiency | 99% | 97.5% |
| MPPT Trackers | 1 | 2 |
| Monitoring | SolarEdge Monitoring Platform (WiFi/Ethernet/Cellular) | Growatt ShinePhone App (WiFi) |
| Weight | 11.3 kg | 23 kg |
| Warranty | 12 years | 10 years |
5-Dimension Head-to-Head Analysis
1. Power Capacity
Winner: SolarEdge SE11400H-USThe SolarEdge SE11400H-US delivers 11.4 kW versus 10.0 kW. The capacity difference is modest but may matter for systems near the power limit.
2. Conversion Efficiency
Winner: SolarEdge SE11400H-USThe SolarEdge SE11400H-US achieves 99% CEC efficiency versus 97.5%. Every percentage point of efficiency translates to approximately $100-200 in additional energy production over a 25-year system life on an average 8 kW system. This efficiency gap is substantial and meaningfully impacts lifetime ROI.
3. Features & Architecture
Winner: Growatt MOD 10000TL3-XHBoth are strings with SolarEdge SE11400H-US at 1 MPPT vs Growatt MOD 10000TL3-XH at 2. Growatt MOD 10000TL3-XH's additional MPPT trackers provide more flexibility for multi-orientation roofs.
4. Warranty & Reliability
Winner: SolarEdge SE11400H-USThe SolarEdge SE11400H-US offers a 12-year warranty versus 10 years — 2 additional years of coverage. Consider the cost of paid warranty extensions to close this gap.
5. Overall Value
Winner: SolarEdge SE11400H-USWeighing efficiency, warranty, and power capacity together, the SolarEdge SE11400H-US delivers the better overall package. Get installer quotes for both to compare actual installed costs in your area.
SolarEdge SE11400H-US
The SE11400H-US is the largest single-phase HD-Wave inverter from SolarEdge, designed for high-consumption households with arrays up to 15.2 kW DC using power optimizers.
Pros
- + 11.4 kW AC output handles large arrays that would require two smaller inverters
- + Compatible with SolarEdge EV charger and smart energy management ecosystem
- + HD-Wave topology reduces weight and heat generation compared to traditional transformer-based designs
Cons
- - Requires professional installation and SolarEdge-certified optimizer pairing
- - Fan-assisted cooling may require periodic maintenance in dusty environments
- - 12-year base warranty requires paid extension for 25-year coverage
Growatt MOD 10000TL3-XH
The Growatt MOD 10000TL3-XH is a high-efficiency 10kW three-phase string inverter optimized for commercial and large residential installations. With 98.6% peak efficiency, 1000V DC input, and dual MPPT trackers, it delivers excellent energy harvest from large solar arrays.
Pros
- + Industry-leading 98.6% peak efficiency minimizes conversion losses
- + 1000V DC input supports long string configurations
- + Lightweight 23kg design for easy single-person installation
- + IP66 rated for harsh outdoor environments
Cons
- - Three-phase output not suitable for most US residential (split-phase) homes
- - No built-in battery management capability
- - Limited US certifications — primarily EU/international market
Choose SolarEdge SE11400H-US If...
- ✓ You want maximum energy conversion efficiency to minimize power losses
- ✓ A long warranty (12 years) is important for your peace of mind
- ✓ Your system size requires 11 kW+ of inverter capacity
- ✓ High-energy households with large rooftop arrays of 10-15 kW that want a single-inverter solution with optimizer-based monitoring
Choose Growatt MOD 10000TL3-XH If...
- ✓ You need 2 independent MPPT trackers for a multi-orientation roof
- ✓ Three-phase commercial or international residential installations requiring high-efficiency string conversion
Our Recommendation
Both the SolarEdge SE11400H-US and Growatt MOD 10000TL3-XH are excellent inverter options, and the margin between them is narrow. The SolarEdge SE11400H-US wins 4 of 5 comparison dimensions by a slim margin. Your decision may come down to local pricing, installer availability, and which specific performance metrics matter most for your project. Either product is a solid investment.
Frequently Asked Questions
Which is better, SolarEdge SE11400H-US or Growatt MOD 10000TL3-XH?
The SolarEdge SE11400H-US edges ahead in this string-vs-string matchup. It delivers higher efficiency (99% vs 97.5% CEC) with a longer 12-year warranty. For most installations in this power range, the SolarEdge SE11400H-US is the stronger choice.
Which inverter is more efficient?
The SolarEdge SE11400H-US achieves 99% CEC efficiency (99% peak) versus the Growatt MOD 10000TL3-XH at 97.5% CEC (98.6% peak). SolarEdge SE11400H-US converts more DC solar power to usable AC electricity. CEC efficiency is the more realistic measure, accounting for varying power levels throughout the day.
Can SolarEdge SE11400H-US or Growatt MOD 10000TL3-XH work with battery storage?
The SolarEdge SE11400H-US is a string without built-in battery management. The Growatt MOD 10000TL3-XH is a string without built-in battery management. Both require an AC-coupled battery system (like Tesla Powerwall) for storage, or replacement with a hybrid inverter.
Which has a better warranty?
The SolarEdge SE11400H-US offers 12 years versus 10 years for the Growatt MOD 10000TL3-XH. SolarEdge SE11400H-US provides 2 additional years of coverage. Paid warranty extensions are typically available from both manufacturers.
Which inverter type is better: string or string?
Both are strings, so the comparison comes down to specifications, brand ecosystem, and pricing rather than architecture. Compare efficiency, warranty, monitoring quality, and installer support when choosing between these two strings.
Related Resources
Last updated: February 2026