---
title: "Fronius Tauro ECO 99-3-P (ECO | 1 MPPT) vs Huawei SUN2000-100KTL-M1 (@480 V) - Inverter Comparison | ComparePV"
description: "Compare Fronius Tauro ECO 99-3-P (ECO | 1 MPPT) vs Huawei SUN2000-100KTL-M1 (@480 V) side by side: what actually differs, efficiency, MPP trackers, battery input and the full specification."
source: "https://comparepv.com/compare-inverters/fronius-international-fronius-tauro-eco-99-3-p-eco-1-mppt/huawei-sun2000-100ktl-m1-480-v"
updated: 2026-01-16
---

# Fronius Tauro ECO 99-3-P (ECO \| 1 MPPT) vs Huawei SUN2000-100KTL-M1 (@480 V)

SUN2000-100KTL-M1 (@480 V) leads on the differences that matter

The largest is max dc voltage: 100 V apart. 6 of 15 comparable parameters are identical, with 17 more left out because at least one datasheet does not publish them.


## The two inverters


| Attribute | A | B |
| --- | --- | --- |
| Inverter | [Fronius Tauro ECO 99-3-P (ECO \| 1 MPPT)](https://comparepv.com/inverter/fronius-international-fronius-tauro-eco-99-3-p-eco-1-mppt) | [Huawei SUN2000-100KTL-M1 (@480 V)](https://comparepv.com/inverter/huawei-sun2000-100ktl-m1-480-v) |
| Manufacturer | Fronius International | Huawei |
| Rated AC power | 99.99 kW | 100 kW |
| Type | Grid-tie | Grid-tie |


## Where they differ

Ranked by how much the difference matters, not by datasheet order.


| Parameter | Fronius Tauro ECO 99-3-P (ECO \| 1 MPPT) | SUN2000-100KTL-M1 (@480 V) | Difference |
| --- | --- | --- | --- |
| Max DC voltage | 1000 V | 1100 V | 100 V apart |
| European efficiency | 98.2 % | 98.6 % | +0.4 pp for SUN2000-100KTL-M1 (@480 V) |
| Max AC power | 99.99 kW | 110.00 kW | 10.01 kW apart |
| Weight | 103.0 kg | 90.0 kg | -13.0 kg for SUN2000-100KTL-M1 (@480 V) |
| Max efficiency | 98.5 % | 98.8 % | +0.3 pp for SUN2000-100KTL-M1 (@480 V) |
| Max AC current | 151.5 A | 133.7 A | 17.8 A apart |
| Max operating temperature | 65 °C | 60 °C | +5 °C for Fronius Tauro ECO 99-3-P (ECO \| 1 MPPT) |
| Ingress protection | IP65 | IP66 | IP65 vs IP66 |
| Dimensions | 755x1109x346 mm | 700x1035x365 mm | 755x1109x346 mm vs 700x1035x365 mm |


## Every compared parameter


| Parameter | Fronius Tauro ECO 99-3-P (ECO \| 1 MPPT) | SUN2000-100KTL-M1 (@480 V) |
| --- | --- | --- |
| Rated AC power | 99.99 kW | 100.00 kW |
| Max AC power | 99.99 kW | 110.00 kW |
| Grid connection | 3-phase | 3-phase |
| Nominal AC voltage | 400 V | - |
| Max AC current | 151.5 A | 133.7 A |
| Max PV power | 150.00 kW | - |
| DC/AC ratio | 1.50 | - |
| Max DC voltage | 1000 V | 1100 V |
| MPPT voltage range | - | 200-1000 V |
| Start voltage | - | 200 V |
| MPP trackers | - | 10 |
| Strings per tracker | - | 2 |
| Max input current per tracker | - | 26.0 A |
| European efficiency | 98.2 % | 98.6 % |
| Max efficiency | 98.5 % | 98.8 % |
| CEC efficiency | - | - |
| Battery input | - | - |
| Battery voltage | - | - |
| Max charge current | - | - |
| Backup power | - | - |
| Weight | 103.0 kg | 90.0 kg |
| Weight per kW | 1.0 kg/kW | 0.9 kg/kW |
| Dimensions | 755x1109x346 mm | 700x1035x365 mm |
| Ingress protection | IP65 | IP66 |
| Cooling | forced-air | forced-air |
| Noise | - | - |
| Max operating temperature | 65 °C | 60 °C |
| Wi-Fi | Yes | Yes |
| Ethernet | Yes | - |
| Arc fault protection | - | - |
| Integrated DC switch | Yes | Yes |
| Warranty | - | - |


## Related comparisons

- [Fronius Tauro ECO 99-3-P (ECO \| 1 MPPT) vs Fronius Tauro ECO 99-3-D (Direct)](https://comparepv.com/compare-inverters/fronius-international-fronius-tauro-eco-99-3-p-eco-1-mppt/fronius-international-fronius-tauro-eco-99-3-d-direct) - One difference: max ac current
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Source: https://comparepv.com/compare-inverters/fronius-international-fronius-tauro-eco-99-3-p-eco-1-mppt/huawei-sun2000-100ktl-m1-480-v

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