PV Grid Connected

PV Netzeinspeisung, Einfamilienhaus, PV Anlage, Wechselrichter


PV Off Grid | Battery Chargers

PV Autarke Systeme, Solarladeregler, Sinus-Wechselrichter


Solar Thermal

Solarthermie, Wasser, Heizung, Solarregler, Frischwassertechnik, warm


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, we are committed to the highest quality standards.

Our focus is on made-to-measure solutions for the effective utilisation of solar radiation.

Furthermore, we continually examine the technologies we have developed with a view to simple operation and, consequently, usability for the wide base of the population - worldwide.

Press releases

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NEW available!

The AutoUpdate functionality for all Coolcept flex XL inverters from KATEK. more

VP Solar

VP Solar and KATEK, the partnership is improving

VP Solar and KATEK are improving their partnership, thanks to the leading position of VP Solar as specialized distributor and the historical cooperation with the German company KATEK. more

global leap award gold logo

Solar-powered Steca PF 166-H freezer receives Global Leap Award 2019

Memmingen – Someone who sets new standards in energy efficiency and climate-friendliness and thus also supports the energy needs of households... more

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Everything under control: the Steca sunCloud

The Allgäu electronics specialist will soon be offering its customers a permanently free monitoring portal. more

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