About Us

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At SUNOTEC, our expertise is built on execution.

Since 2012, we have delivered more than 680 utility-scale renewable energy projects across Europe, establishing one of the industry's strongest track records in large-scale project implementation. This practical experience remains the foundation of our business today. What began with construction has evolved into broader capabilities. Our deep understanding of how projects are built continues to shape how we engineer, deliver and optimise energy infrastructure at scale.

From Project Delivery to System Integration.

SUNOTEC has continuously expanded its capabilities, investing in engineering expertise, industrial execution, manufacturing, energy storage and international growth. This evolution has transformed the company from a construction specialist into an integrated provider of large-scale renewable energy infrastructure. Today, we design, deliver and optimise renewable energy systems by integrating generation, storage, grid infrastructure and lifecycle services into a single, coordinated approach.

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A global team building Europe’s renewable future.

What sets us apart is our people. Our teams, consisting of 39 nationalities, bring deep expertise in engineering, construction, BESS management and O&M, backed by a strong European presence and a trusted global supply chain. We are united by a mission: to accelerate the energy transition by empowering a zero-carbon world. We do this by building the renewable energy systems that Europe depends on. Looking ahead, we continue to invest in innovation, ensuring our projects remain at the forefront of sustainable energy. Presently, the company operates from its offices in Munich, Germany and Sofia, Bulgaria.

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The global energy transition is entering a new phase, one in which reliable power systems are defined by the integration of their assets. At SUNOTEC, we understand that the future lies in designing and delivering these systems at scale and building infrastructure for investors, utilities and communities worldwide.

KALOYAN VELICHKOV,
CEO and Founder

Delivering modern energy infrastructure requires integrating generation, storage, grid infrastructure, and lifecycle management into systems that perform reliably over decades. We combine engineering expertise and industrial execution to create reliable systems that economies can rely on.

BERNHARD SUCHLAND
CEO

OUR JOURNEY FOR YOUR PROGRESS

Explore the milestones, showcasing the commitment to reshaping the solar landscape. Each milestone represents a significant step forward in efficiency, sustainability and excellence.

2012

Establishment of SUNOTEC GmbH in Germany.

2013

SUNOTEC headquarters in Sofia is opened. Delivery of the first 2 MWp project in Germany.

2015

SUNOTEC enters the Danish market.

2017

SUNOTEC broadens its service offering through investing in its own machinery fleet.

SUNOTEC expands vertically by creating its in-house electrical engineering unit.

2018

SUNOTEC starts to offer a full construction portfolio, completing the first full-service project.

1 GWp of executed projects in Europe is reached.

2019

Release of SUNOTEC’s first large scale-solar farms in Africa and Australia.

2021

SUNOTEC builds he world’s biggest hybrid solar PV plant in West Africa.

2022

SUNOTEC celebrates its 10th anniversary.

SUNOTEC and securenergy start the joint venture SECURSUN with a pipeline of over 2.4 GWh battery storage by 2027.

2023

The new headquarters in Sofia is developed and built, including a state-of-the-art monitoring centre.

Production of SUNOTEC Mounting Systems launches.

2024

SUNOTEC positions itself as an integrated solution provider and embraces the circular economy.

Northern Africa sees an increase in projects.

BESS is added to the product portfolio.

2025

SUNOTEC invests in R&D centre for the development of own tracker system.

Expansion of global operations through the establishment of subdivisions.

SUNOTEC becomes the largest developer and operator of BESS in Bulgaria.

2026

Investment in grid infrastructure strengthens SUNOTEC’s ability to deliver complete energy systems beyond generation and storage.

Growth of an IPP platform in core European markets.

A partnership structured equity investment from Blackstone supports international expansion and strengthens energy and grid infrastructure capabilities.

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