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PV C&I with BESS System, Sevlievo – 230 kWp PV / 224 kWh BESS

Description

The project is located on the rooftop of an industrial facility in Sevlievo, Bulgaria, with an installed capacity of 230 kWp. Tongwei Solar N-type photovoltaic modules with a unit power of 450 Wp convert sunlight into clean electrical energy. The Huawei SUN2000 inverters used in the system ensure high efficiency and reliability.

As part of the project, an energy storage system with a total capacity of 224 kWh has been integrated, contributing to the stability of the power supply and the optimal use of the generated energy. The mounting structure from the AEROCOMPACT series ensures durability and resistance to various weather conditions.

GES Energy acted as the full EPC contractor – from system design and equipment supply to installation and commissioning. All major components were provided by our long-standing partner, Green Energy Supplier.

The rooftop photovoltaic system will generate nearly 300 MWh of electricity annually, offsetting over 50–60% of the site’s energy consumption and providing long-term cost savings for the client.

Looking for a reliable and sustainable energy solution? Trust our team – we deliver end-to-end expertise from concept to implementation of a complete energy system.

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Marin Penkov

Marin Penkov

Electrical Engineer

Marin Penkov works on various engineering projects related to the design, construction, and maintenance of electrical systems, demonstrating both technical skills and strong teamwork. He is proficient in using specialized software, including AutoCAD (for technical drafting), DJI Terra (for 3D mapping and terrain analysis using drones), and SketchUp (for 3D modeling and visualization). He utilizes these tools in both his professional work and personal projects.

His main interests include electrical power engineering, 3D printing, and 3D modeling. He actively keeps up with developments in these fields and strives to apply modern technological solutions in both his professional activities and personal endeavors.

Zvezdelin-Vergilov

Zvezdelin Vergilov

Logistics Executive

Lili-Naidenova

Lilia Naidenova

Head of Engineering

Liliya graduated from the Technical University of Sofia with a Bachelor’s degree in Electrical Engineering and a Master’s degree in Renewable Energy Sources. Her interest in photovoltaics began during her studies, and she has been professionally involved in the field since 2007, when she took part in the design of the first megawatt-scale photovoltaic plant in Bulgaria.

Since then, she has been actively engaged in the design of rooftop and ground-mounted solar installations in both Bulgaria and across Europe, including energy storage facilities.

Since the spring of 2025, she has been working at GES Energy, where she is responsible for organizing the entire design process and serves as an electrical design engineer.

Yavor Kirov

Electrical Design Engineer

Yavor Kirov is an electrical engineer with a Bachelor’s degree in Electrical Engineering from the Technical University of Sofia. He has over three years of experience in the design and construction of photovoltaic power plants, both rooftop and ground-mounted. Over the years, he has participated in numerous projects related to energy efficiency, renewable energy sources, and the implementation of smart technologies for electricity management.

Since the spring of 2025, Yavor has been part of the engineering team at GES Energy AD, where he holds the position of Electrical Design Engineer. In this role, he is responsible for preparing investment projects for photovoltaic power plants, power supply installations, and energy storage systems.

Stanislav Pandev

Technical Director

Eng. Stanislav Pandev has been in the construction industry for over 7 years. He graduated with a degree in Applied Geodesy from UACEG, Sofia, in 2018, and holds full design certification in his field. He worked as an investor control specialist in building construction for four years.

Stanislav joined GES Energy in the fall of 2023 as a Project Manager and was promoted to Technical Director in the spring of 2025. His responsibilities include overseeing, organizing, and controlling the entire process of constructing future photovoltaic power plants.