Turnkey
Solar Power Plant Installation
Altungrup was founded in 2003 to carry out international construction and contracting activities. In 2006, the company entered the energy sector in partnership with the German firm Techem Energy Services. It continued its operations with Techem until 2012, after which, following regulatory changes in Türkiye, it focused its activities on the solar energy sector under the name “Altun Grup Solar Enerji.”
2003
Company Establishment
2006
Introduction to the Energy Sector
2012
Introduction to the Solar Energy Sector
2022
25 Projects
30 MWP power

Altun Grup Solar Enerji, since its establishment, has organized itself to deliver turnkey industrial rooftop and ground-mounted solar power plants of all sizes, built to the highest standards, with maximum efficiency and top-tier quality. Guided by its extensive industry experience and a commitment to excellence, the company collaborates with globally recognized partners that possess deep, long-standing expertise in the solar energy sector, including:
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German engineering firm Tech-Diligence GmbH
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German EPC/application company SolSystems Energy GmbH
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BISOL, one of Europe’s leading solar panel manufacturers
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German panel manufacturer Solar Fabrik CL GmbH
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German inverter manufacturers KACO and SMA
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German solar cable manufacturer HIS
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German mounting systems producer Creotecc / BayWa r.e.
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Spanish aluminum mounting systems manufacturer Alusin Solar
Through these strong international partnerships, Altun Grup Solar Enerji delivers fully integrated, high-performance solar energy solutions.
Within this framework, Altun Grup Solar Enerji, distinguished by its high-level corporate quality approach, reliability, and sectoral expertise;
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Has developed its own simulation and analysis software, “Altun-sys,”
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Designs all solar power plants in-house,
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As a testament to its quality and reliability, a 10-year “Altun Grup Solar Enerji Solar Power Plant Efficiency Loss Insurance” is provided by Mapfre Insurance, exclusively for Altungrup customers and under the Altungrup corporate identity.

Our Brief History
2022
2021
2020
2019
2018
2017
2016
2014
2013
A 10 MW additional contract was signed with Reysaş GYO for the construction of solar power plants on its warehouses in İzmir, Adapazarı, Çayırova and Orhanlı.
As of the end of 2021, the installation of a 25MW solar power plant on the roofs of a total of 20 different facilities was completed.
With the experience of installing power plants on 8 different membrane roofs throughout Türkiye, we have become the company that performs the most installations, especially on membrane type roofs.
Altungrup Solar Energy, in parallel with its ever-increasing business volume
The company increased its capital to 1 Million TL.
Marmara Region's Largest Rooftop Solar Power Plant Installation
The power plant we installed on the membrane roof of the logistics warehouse in the Çayırova district of Kocaeli has become the largest rooftop solar power plant in the Marmara region.
Türkiye's First Solar Power Plant Installation on a Wastewater Treatment Plant
The first of its kind in Türkiye, the Kocaeli Municipality completed the installation of a solar power plant on the aeration tanks of the Kullar Wastewater Treatment Plant, which belongs to the General Directorate of ISU.
Introduction to Energy Investments
With the rapid growth in the solar energy sector, our company has also entered into energy investments and started to invest in solar power plants.
Türkiye's First Large Rooftop Solar Power Plant Contract
REYSAŞ GYO has reached an agreement with Altungrup for the 12 MW total of Solar Power Plants to be installed on the roofs of 15 different warehouses across Türkiye.
Türkiye's First Large Industrial Rooftop Solar Power Plant Installation
The 850 kW solar power plant installed on Reysaş GYO's facility in Torbalı was the first large industrial solar power plant in Türkiye and was inaugurated by the then Minister of Energy.

