---
title: "Fronius Tauro ECO 100-3-D (Direct) vs SMA Solar Sunny Highpower PEAK3 SHP 100-21 - Inverter Comparison | ComparePV"
description: "Compare Fronius Tauro ECO 100-3-D (Direct) vs SMA Solar Sunny Highpower PEAK3 SHP 100-21 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-100-3-d-direct/sma-solar-sunny-highpower-peak3-shp-100-21"
updated: 2026-01-16
---

# Fronius Tauro ECO 100-3-D (Direct) vs SMA Solar Sunny Highpower PEAK3 SHP 100-21

Sunny Highpower PEAK3 SHP 100-21 leads on the differences that matter

The largest is max dc voltage: 500 V apart. 7 of 16 comparable parameters are identical, with 16 more left out because at least one datasheet does not publish them.


## The two inverters


| Attribute | A | B |
| --- | --- | --- |
| Inverter | [Fronius Tauro ECO 100-3-D (Direct)](https://comparepv.com/inverter/fronius-international-fronius-tauro-eco-100-3-d-direct) | [SMA Solar Sunny Highpower PEAK3 SHP 100-21](https://comparepv.com/inverter/sma-solar-sunny-highpower-peak3-shp-100-21) |
| Manufacturer | Fronius International | SMA Solar |
| Rated AC power | 100 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 100-3-D (Direct) | Sunny Highpower PEAK3 SHP 100-21 | Difference |
| --- | --- | --- | --- |
| Max DC voltage | 1000 V | 1500 V | 500 V apart |
| Max PV power | 150.00 kW | 200.00 kW | 50.00 kW apart |
| DC/AC ratio | 1.50 | 2.00 | +0.50 for Sunny Highpower PEAK3 SHP 100-21 |
| Weight | 103.0 kg | 99.0 kg | -4.0 kg for Sunny Highpower PEAK3 SHP 100-21 |
| European efficiency | 98.2 % | 98.5 % | +0.3 pp for Sunny Highpower PEAK3 SHP 100-21 |
| Max efficiency | 98.5 % | 98.8 % | +0.3 pp for Sunny Highpower PEAK3 SHP 100-21 |
| Max AC current | 144.9 A | 151.0 A | 6.1 A apart |
| Max operating temperature | 65 °C | 60 °C | +5 °C for Fronius Tauro ECO 100-3-D (Direct) |
| Dimensions | 755x1109x346 mm | 830x770x462 mm | 755x1109x346 mm vs 830x770x462 mm |


## Every compared parameter


| Parameter | Fronius Tauro ECO 100-3-D (Direct) | Sunny Highpower PEAK3 SHP 100-21 |
| --- | --- | --- |
| Rated AC power | 100.00 kW | 100.00 kW |
| Max AC power | 100.00 kW | 100.00 kW |
| Grid connection | 3-phase | 3-phase |
| Nominal AC voltage | 400 V | - |
| Max AC current | 144.9 A | 151.0 A |
| Max PV power | 150.00 kW | 200.00 kW |
| DC/AC ratio | 1.50 | 2.00 |
| Max DC voltage | 1000 V | 1500 V |
| MPPT voltage range | - | - |
| Start voltage | - | - |
| MPP trackers | - | 1 |
| Strings per tracker | - | - |
| Max input current per tracker | - | 180.0 A |
| European efficiency | 98.2 % | 98.5 % |
| Max efficiency | 98.5 % | 98.8 % |
| CEC efficiency | - | - |
| Battery input | - | - |
| Battery voltage | - | - |
| Max charge current | - | - |
| Backup power | - | - |
| Weight | 103.0 kg | 99.0 kg |
| Weight per kW | 1.0 kg/kW | 1.0 kg/kW |
| Dimensions | 755x1109x346 mm | 830x770x462 mm |
| Ingress protection | IP65 | IP65 |
| Cooling | forced-air | forced-air |
| Noise | - | 69 dB |
| Max operating temperature | 65 °C | 60 °C |
| Wi-Fi | Yes | - |
| Ethernet | Yes | Yes |
| Arc fault protection | Yes | - |
| Integrated DC switch | Yes | - |
| Warranty | - | 5 yrs |


## Related comparisons

- [Fronius Tauro ECO 100-3-D (Direct) vs Huawei SUN2000-100KTL-M2](https://comparepv.com/compare-inverters/fronius-international-fronius-tauro-eco-100-3-d-direct/huawei-sun2000-100ktl-m2) - 9 differences, the largest is max dc voltage
- [Fronius Tauro ECO 100-3-D (Direct) vs Huawei SUN2000-100KTL-M1 (@480 V)](https://comparepv.com/compare-inverters/fronius-international-fronius-tauro-eco-100-3-d-direct/huawei-sun2000-100ktl-m1-480-v) - 9 differences, the largest is max dc voltage
- [Fronius Tauro ECO 100-3-D (Direct) vs Sungrow SG110CX](https://comparepv.com/compare-inverters/fronius-international-fronius-tauro-eco-100-3-d-direct/sungrow-sg110cx) - 9 differences, the largest is max dc voltage
- [SMA Solar Sunny Highpower PEAK3 SHP 100-21 vs SMA Solar Sunny Highpower Storage SHPS 100-21](https://comparepv.com/compare-inverters/sma-solar-sunny-highpower-peak3-shp-100-21/sma-solar-sunny-highpower-storage-shps-100-21) - The same specification on paper


---

Source: https://comparepv.com/compare-inverters/fronius-international-fronius-tauro-eco-100-3-d-direct/sma-solar-sunny-highpower-peak3-shp-100-21

Not in this file, on the page: a written summary generated on request.