Why Roltec?

ROLTEC is created by a group of interdisciplinary specialists representing the world of science and business. By creating a team of professionals, we took full responsibility for our actions and promises to reduce the carbon footprint and care for the natural environment. We are passionate and experts in renewable energy. We want to cross technological and creative boundaries. At Roltec, we tell new and exciting stories about photovoltaics…

A history of innovation

2019
January
Let's go!

The beginning of the company's operations. Roltec gains new rooms. We are starting to equip the Solar Factory project laboratory and the SolarBot workshop.

2019
March
First

The SolarBot project workshop gains its first machine - a lathe.

2019
August
We mill

We are starting a CNC milling machine that will allow us to create SolarBot components.

2019
October
First samples

Successful tests for the synthesis of cadmium sulfide (CdS).

2019
November
PVD machine

Starting the layering machine.

2019
December
The first link

We created the first working CIGS photovoltaic cell from scratch.

2020
January
Prototype

The first prototype of SolarBot in the final stage of implementation.

2020
February
Successful test

The test of the first SolarBot prototype ends with success!

2020
February
Cooperation

We are establishing cooperation with the University of Martin Luther in Halle.

2020
March
Structured module

The first laser-structured CIGS module is created at Roltec.

2020
March
New headquarters

Start of construction of a new laboratory headquarters and Solar Factory - an experimental production line for CIGS Roltec panels.

2020
April
Flexible link

We create a flexible CIGS link.

2020
December
Increased efficiency

We are structuring a fully magnetron cell with an efficiency exceeding 10%.

2021
February
More copies

Structural elements for another 33 SolarBots are being created.

2021
May
Steamed layer

We create photovoltaic cells with an evaporated CIGS layer.

2021
July
Solar Factory

The new building of the Solar Factory project is taking its final shape.

2021
August
The next phase

We are starting phase 2 of designing and improving the SolarBot concept.

2021
September
Development

The laboratory gains a clean zone, an electron microscope and a structuring machine (PVD).

2021
December
Reinforcements

We employ new specialists and photovoltaics enthusiasts.

2022
March
The sun is rising

The planned production line is equipped with a new sun simulator and a picosecond laser for structuring.

2022
March
Cadmium free

We create cadmium-free and fully laser-structured mini photovoltaic modules with an efficiency of 14%. The connected radio works!

2023
October
Wide “Horizon”

The prestigious Hi-Bits is another EU research project (under the Horizon program) of CIGS cells, after SITA, in which we are participating this year.