Steca has long stood for ideas and innovations as an electronic manufacturing services (EMS) provider and manufacturer of Steca brand product lines in solar electronics and battery charging systems. Our capability and personal responsibility allow us all to create high-quality individual electronic products and to distribute them on a global scale. Simple business processes, fair partnerships and transparent communication are perceptible and contribute to our joint success.




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As a leading supplier of products for the solar electronics industry, we set the international standard for the regulation and control of solar energy systems. In the three market segments PV grid connected, PV off grid and Solar thermal, the Steca brand is synonymous with innovation and vision. In conception, development, production and marketing, the company is committed to the highest quality standards.

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Steca battery charging technology stands out from the start thanks to its high quality and durability. For decades we have been developing efficient and user-friendly charging technology in cooperation with leading battery manufacturers and institutes in order to ensure that you can use your batteries safely.

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Reference systems

StecaGrid inverters are currently providing good service in a large number of photovoltaic systems. This list gives you an overview of the diversity of possible applications.



Solartechnik,ref_pv, Photovoltaics, ref_enum_italien, Suni,enum_freifläche, 999,68 kWp

999,68 kwp

Suni (OR), Italy

more
 

966,8 kwp

Erfurt, Germany

more
 
 
Solartechnik,ref_pv, Photovoltaics, ref_enum_italien, Suni,enum_freifläche, 938,4 kWp

938,4 kwp

Suni (OR), Italy

more
 
Solartechnik, ref_pv, Photovoltaics, Macedonia, stip, Ground-mounted installation, 777 kWp

777 kwp

Stip, Macedonia

more
 
 
Solartechnik, ref_pv, Photovoltaics, Greece, thiva, Ground-mounted installation, 499,68 kWp

499,68 kwp

Thiva, Greece

more
 
Solartechnik,ref_pv, Photovoltaics, Germany, merzen,  row house, 423,36 kWp

423,36 kwp

Merzen, Germany

more
 
 
Solartechnik,ref_pv, Photovoltaics, Germany, Memmingen, Ground-mounted installation, 406,6 kWp

406,6 kwp

Memmingen, Germany

more
 
Solartechnik, ref_pv, Photovoltaics, Germany, memmingen, Roof-mounted system, 323 kWp

323,19 kwp

Memmingen, Germany

more
 
 
Solartechnik, ref_pv, Photovoltaics, Macedonia, stip, Roof-mounted system, 273,6 kWp

273,6 kwp

Stip, Macedonia

more
 
Solartechnik, ref_pv, Photovoltaics, Germany, oberrieden, Ground-mounted installation,265 kWp

265 kwp

Oberrieden, Germany

more
 
 
Solartechnik, ref_pv, Photovoltaics, Germany, hawangen, Roof-mounted system,236,41 kWp

236,4 kwp

Hawangen, Germany

more
 
Solartechnik, ref_pv, Photovoltaics, Germany, ditzingen, Flat roof mounted system,205 kWp

205,56 kwp

Ditzingen, Germany

more
 
 
Solartechnik, ref_pv, Photovoltaics, Germany, sindelfingen, Flat roof mounted system,149,22 kWp

149,22 kwp

Sindelfingen, Germany

more
 
Solartechnik, ref_pv, Photovoltaics, Germany, memmingen, Flat roof mounted system,136,62 kWp

136,62 kwp

Memmingen, Germany

more
 
 
Solartechnik, ref_pv, Photovoltaics, Germany, memmingen, Flat roof mounted system,103,52 kWp

103,52 kwp

Memmingen, Germany

more
 
Solartechnik, ref_pv, Photovoltaics, Belgium, houthalen, Flat roof mounted system,101,25 kWp

101,25 kwp

Houthalen, Belgium

more
 
 
Solartechnik,ref_pv, Photovoltaics, ref_enum_italien, Suni,enum_freifläche, 999,68 kWp

100 kwp

Moskau, Russia

more
 
Solartechnik, ref_pv, Photovoltaics, Greece, tripolis, Ground-mounted installation, 3x100 kWp

3 x 99,9 kwp

Tripolis, Greece

more
 
 
Solartechnik, ref_pv, Photovoltaics, Sweden, malmoe, Roof-mounted system, 100 kWp

99,55 kwp

Malmö, Sweden

more
 
Solartechnik, ref_pv, Photovoltaics, Bulgaria,opan, Ground-mounted installation, 97,2 kWp

97,2 kwp

Opan, Bulgaria

more
 
 
Solartechnik, ref_pv,Photovoltaics, Singapore , Roof-mounted system 84 kWp

84 kwp

City, Singapore

more
 
Solartechnik, ref_pv, Photovoltaics, Bulgaria, Ustra, Roof-mounted system, 80kWp

80 kwp

Ustra, Bulgaria

more
 
 
Solartechnik, ref_pv, Photovoltaics, Germany, Memmingen, Roof-mounted system, 79,5kWp

79,5 kwp

Memmingen, Germany

more
 
Solartechnik, ref_pv, Photovoltaics, Germany, Memmingen, Roof-mounted system, 78kWp

79,2 kwp

Memmingen, Germany

more
 
 
Solartechnik, ref_pv, Photovoltaics, New Zealand, Drury, Ground-mounted installation, 68kWp

72 kwp

Drury, New Zealand

more
 

61,56 kwp

Sindelfingen, Germany

more
 
 
Solartechnik, ref_pv, Photovoltaics, Germany, Memmingen, Roof-mounted system, 55kWp

54,82 kwp

Memmingen, Germany

more
 
 Solartechnik, ref_pv, Photovoltaics,  New Zealand, Matakana Island, Ground-mounted installation, 40 kWp

40 kwp

Matakana Island, New Zealand

more
 
 
Solartechnik, ref_pv, Photovoltaics, Germany, Weissach, Flat roof mounted system, 39,96kWp

39,96 kwp

Weissach, Germany

more
 
Solartechnik, ref_pv, Photovoltaics, Germany, Böblingen, Flat roof mounted system, 39,78kWp

39,78 kwp

Böblingen, Germany

more
 
 
Solartechnik, ref_pv, Photovoltaics, Germany, Memmingen, Roof-mounted system, 35,19kW

35,19 kwp

Memmingen, Germany

more
 
Solartechnik, ref_pv, Photovoltaics, Germany, Legau, Roof-mounted system, 32,4kWp

32,4 kwp

Legau, Germany

more
 
 
Solartechnik, ref_pv, Photovoltaics, Germany, Oberbinnwang, Roof-mounted system, 31,7 kWp

31,7 kwp

Oberbinnwang, Germany

more
 
Solartechnik, ref_pv, Photovoltaics, Germany, Sindelfingen, Flat roof mounted system, 30,42kWp

30,42 kwp

Sindelfingen, Germany

more
 
 
Solartechnik, ref_pv, Photovoltaics, Germany, Hawangen, Roof-mounted system, 29,9kWp

29,9 kwp

Hawangen, Germany

more
 
Solartechnik, ref_pv, Photovoltaics, Germany, Legau, Roof-mounted system, 29,9kWp

29,9 kwp

Legau, Germany

more
 
 
Solartechnik, ref_pv, Photovoltaics, Germany, Ottobeuren, Roof-mounted system, 29,7kWp

29,7 kwp

Ottobeuren, Germany

more
 

27,52 kwp

Woringen, Germany

more
 
 
Solartechnik, ref_pv, Photovoltaics,  Germany, Leutkirch, Roof-mounted system, 20kWp

20 kwp

Leutkirch, Germany

more
 
Solartechnik, ref_pv, Photovoltaics,  Germany, Rottenburg, Flat roof mounted system, 19,98kWp

19,98 kwp

Rottenburg, Germany

more
 
 
Solartechnik, ref_pv, Photovoltaics, enum_türkei, Istanbul, Flat roof mounted system,14kWp

14 kwp

Istanbul, Turkey

more
 

13 kwp

, Botswana

more
 
 
Solartechnik, ref_pv, Photovoltaics, Germany, Boos, Roof-mounted system, 12,6kWp

12,6 kwp

Boos, Germany

more
 
Solartechnik, ref_pv, Photovoltaics,  Belgium, Mol, Flat roof mounted system, 11,9kWp

11,9 kwp

Mol, Belgium

more
 
 
Solartechnik, ref_pv, Photovoltaics,  Germany, Steinhausen ,  Roof-mounted system, 11,76kWp

11,76 kwp

Steinhausen, Germany

more
 
Solartechnik, ref_pv, Photovoltaics,  Germany, Aichstetten, Roof-mounted system, 11,64kWp

11,64 kwp

Aichstetten, Germany

more
 
 
Solartechnik, ref_pv, Photovoltaics,  Bulgaria, Saedinenie, Flat roof mounted system, 10kWp

10,5 kwp

Saedinenie, Bulgaria

more
 
Solartechnik, ref_pv, Photovoltaics,  Germany, Böblingen, Roof-mounted system, 10kWp

10 kwp

Böblingen, Germany

more
 
 
Solartechnik, ref_pv, Photovoltaics,  Greece, Athen, Flat roof mounted system, 10kWp

9,87 kwp

Athen, Greece

more
 
Solartechnik, ref_pv, Photovoltaics,  Germany, Deggendorf, Roof-mounted system, 9,3kWp

9,3 kwp

Deggendorf, Germany

more
 
 
Solartechnik, ref_pv,Photovoltaics, Germany, durach, row house, Roof-mounted system, 9,16 kWp

9,16 kwp

Durach, Germany

more
 
Solartechnik, ref_pv, Photovoltaics,  Poland, Soltec, Roof-mounted system, 8,925kWp

8,925 kwp

Soltec, Poland

more
 
 
Solartechnik, ref_pv,Photovoltaics, Germany, ochsenhausen, framehouse, Roof-mounted system, 8,55 kWp

8,55 kwp

Ochsenhausen, Germany

more
 
Solartechnik, ref_pv,Photovoltaics, Germany, pless, Roof-mounted system, 7,98 kWp

7,92 kwp

Pless, Germany

more
 
 
Solartechnik, ref_pv, Photovoltaics,  Germany, Illertissen, Roof-mounted system, 7,8kWp

7,8 kwp

Illertissen, Germany

more
 
Solartechnik, ref_pv,Photovoltaics, France, Castelnou, Roof-mounted system, 6 kWp

6 kwp

Castelnou, France

more
 
 
Solartechnik, ref_pv, Photovoltaics, Germany, Trochtlefingen,Repowering, Roof-mounted system, 5,5 kWp

5,5 kwp

Trochtelfingen, Germany

more
 
 Solartechnik, ref_pv, Photovoltaics,  Germany, Aichstetten, One-family house,  Roof-mounted system, 4,4 kWp

4,4 kwp

Aichstetten, Germany

more
 
 
 Solartechnik, ref_pv, Photovoltaics,  enum_kambotscha, Phnom Penh, Roof-mounted system, 4,2 kWp

4,2 kwp

Phnom Penh, Cambodia

more
 
 Solartechnik, ref_pv, Photovoltaics,  Thailand, Rayong, Roof-mounted system, 3 kWp

3,7 kwp

Rayong Province, Thailand

more
 
 
 Solartechnik, ref_pv, Photovoltaics,  Germany, Heimertingen, One-family house, Roof-mounted system, 3,08 kWp

3,08 kwp

Heimertingen, Germany

more
 
Solartechnik, ref_pv, Photovoltaics,  Peru, Arequipa, Roof-mounted system, 3,3kWp

3.3 kwp

Arequipa, Peru

more
 
 
Solartechnik, ref_pv, Photovoltaics,  Peru, Tacna, Roof-mounted system, 3,3kWp

3.3 kwp

Tacna, Peru

more
 
 Solartechnik, ref_pv, Photovoltaics,  Germany, Bad Honnef, One-family house, Roof-mounted system, 3,2 kWp, Steca coolcept 3010

3,2 kwp

Bad Honnef, Germany

more
 
 
Solartechnik, ref_pv, Photovoltaics,  France, Beaupuy,  Roof-mounted system, 2,88kWp

2,88 kwp

Beaupuy, France

more
 
Solartechnik, ref_pv, Photovoltaics,  Greece, Athen, Flat roof mounted system, 2,7kWp

2,7 kwp

Athen, Greece

more
 
 

2,4 kwp

Cases de Pene, France

more
 
Solartechnik, ref_pv, Photovoltaics,  Mexico, Playa del Carmen, Roof-mounted system,2kWp

2 kwp

Playa del Carmen, Mexico

more
 
 
Solartechnik, ref_pv, Photovoltaics,  Germany, Bretten , Roof-mounted system 1,71kWp

1,71 kwp

Bretten, Germany

more
 
Solartechnik, ref_pv, Photovoltaics,  Mexico, San Miguel de Allende, Roof-mounted system, 1,38kWp

1,38 kwp

San Miguel de Allende, Mexico

more
 
 
Solartechnik, ref_pv, Photovoltaics, Czech Republic, Pilsen, Facade system, 0,6kWp

0,63 kwp

Pilsen, Czech Republic

more
 
coolcept, inverter, Topology

Steca's inverter topology coolcept

coolcept is Steca‘s new inverter topology that provides­ the highest peak efficiency. The patented coolcept topology is a global innovation that is only available from Steca.more
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coolcept, inverter family

Product overview coolcept inverters

All single-phase and three-phase coolcept inverters are extraordinarily cool, efficient and durable. In addition, all devices are extremely lightweight and quiet. Nevertheless there are differences for planners and users.more
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