Sigenergy SigenStor-EC-TP SigenStor EC 15 TP vs Solis S5-GR3P15K
Both are inverters. Every figure below is a stored value from our catalogue — where a product does not publish one, the cell says so rather than guessing.
Specifications side by side
| Specification | Sigenergy SigenStor-EC-TP SigenStor EC 15 TP | Solis S5-GR3P15K |
|---|---|---|
| AC output power | 15 kW | 15 kW |
| Type | Hybrid | PV |
| MPP trackers | 3 | 2 |
| Phase | 3P | 3P |
| Max PV input current | 16 A | 16 A |
| Max PV input voltage | 1100 V | 1100 V |
| Max PV array power | 24000 Wp | 22500 Wp |
Specification provenance: Unverified imported catalogue data on both sides — per-field datasheet citations are being added as documents are processed.
Physical & sourcing
| Width × Height × Depth | 470 × 570 × 210 mm | 310 × 563 × 219 mm |
| Weight | 32 kg | 32 kg |
| Country of origin | CN | CN |
| Stocked by Minute Solar | Yes | Yes |
Dimensions: Sigenergy SigenStor-EC-TP SigenStor EC 15 TP — estimated from comparable equipment — not a measurement; Solis S5-GR3P15K — read from the manufacturer's datasheet.
Which should you choose?
We deliberately do not pick a winner: the right choice depends on your roof, your existing equipment and your tariff, and we hold no evidence that would justify a general ranking. Put both through a full compatibility-checked design instead.
Design a system with either