Value Chain Activity: Manufacturing Electrical Components: Solar Inverters, Wires and TransformersThe manufacturing of inverters, wires and transformers is largely a commodities business. Efficiencies of these devices are already realtively high, offering little room for technical differentiation. There are exceptions - for instance, Stecca produces a solution to the problem of partial shading when solar modules become as inefficient as under full shading. |
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The global leaders are SMA Solar Technologies and Fronius. Apart from that there are very few pure-play inverter- companies. instead, there are many module manufacturers that vertically integrate into electrical components - not just selling them, but actually producing them. in addition, there are big electrical or electronics companies that diversify into the solar market including well-known names like Siemens, Danfoss and GE Energy. |
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Companies
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| Name | Country | Comments |
| Fronius | Austria | Fronius' main business is inverters and chargers for e-mobility, but they also have a welding business. |
| SMA Solar Technologies | Germany | World's largest inverter company with a pure focus on solar with and without storage. |
| Kaco new energy | Germany | Kaco produces inverters purely for solar plants. |
| SolarMax | Switzerland | SolarMax manufactures both string and central inverters as well as storage systems. |
| Steca Katek | Germany | Steca electronic products support both solar photovoltaics and thermal. It has now part of Katek. |
| Sungrow | China | Sungrow offers inverters and storage systems, but also floating bodies for solar plants floating on water. |
| Efacec | Portugal | Efacec, an electronics and engineering company, produces inverters for the solar market. |
