+ 359 2 4748 800 info@gcr.bg

Analyses, management and design

Solution for the energy industry

years of history

long-term experts with deep expertise

completed projects

ongoing projects

GCR Sectors


Nuclear Energy


GCR was founded as an engineering service provider to the nuclear energy industry back in 1995. Today, the core competencies of our team remain focused on the sector. We have experience and expertise throughout the lifecycle of a nuclear power plant (NPP).

Conventional energy


Over the years GCR has expanded into conventional and renewable energy. Our team has experience and expertise in supporting thermal, hydroelectric and renewable power plants.

energy solutions
for busines


For industrial-scale consumers of electricity, heat, and/or cooling, we offer modern solutions for optimizing their energy balance.

GCR Services


Safety management

Turnkey construction

Design and Engineering

Consulting services

GCR Team


We rely on a core team of proven engineering professionals with significant experience, deep expertise and a breadth of knowledge across adjacent disciplines. Our team has extensive domain knowledge across the spectrum of power generation technologies – including nuclear, conventional (thermal), hydroelectric, and renewable. Functionally, our experts are specialized in the core disciplines of mechanical and process engineering, civil and structural engineering, electrical and instrumentation and control engineering. Our team is experienced in applying state-of-the-art specialized methods and tools (software) for finite element analysis, thermal-hydraulic analysis and probabilistic safety assessment as needed in our projects. Outside of our core team, we maintain a wide network of specialists from academia, from government and other private institutions. We tap on our network on an as-needed basis to supplement our project teams and provide the best possible expertise to our clients for each particular project.

GCR Projects


Update the Guide to Developing a Probabilistic Safety Analysis (PSA)

Update the Guide to Developing a Probabilistic Safety Analysis (PSA)

Design Services Regarding the Modernisation of Boron Meters at Kozloduy NPP Units 5 and 6

Design Services Regarding the Modernisation of Boron Meters at Kozloduy NPP Units 5 and 6

Reconstruction of the tablet gate drive of the main outlet of the Vucha Dam

Reconstruction of the tablet gate drive of the main outlet of the Vucha Dam

Modernization of the EWP, ARM, and EULP systems of Blocks 5 and 6

Modernization of the EWP, ARM, and EULP systems of Blocks 5 and 6

Reconstruction Of Auxiliary Systems To 9GQ And 10GQ

Reconstruction Of Auxiliary Systems To 9GQ And 10GQ

Photovoltaic Power Plant in Water World – Bankya

Photovoltaic Power Plant in Water World – Bankya

Design, delivery, and installation of stainless steel pipes from ST1 and ST2 to Lower water towers, Chaira PSHPP

Design, delivery, and installation of stainless steel pipes from ST1 and ST2 to Lower water towers, Chaira PSHPP

Open Switchgear 31.5kV Substation Maritsa East

Open Switchgear 31.5kV Substation Maritsa East

Dam “Krichim” – Repair of Pressure Collector for Drainage Pumping Station Dam District “Vacha”

Dam “Krichim” – Repair of Pressure Collector for Drainage Pumping Station Dam District “Vacha”

Development of a manual for the use of Probabilistic Safety Assessment (PSA)

Development of a manual for the use of Probabilistic Safety Assessment (PSA)

DESIGN: PROVIDING OPPORTUNITY FOR REPAIR AND SERVICE OF NON-REPAIR FITTINGS

DESIGN: PROVIDING OPPORTUNITY FOR REPAIR AND SERVICE OF NON-REPAIR FITTINGS

Construction services of the Photovoltaic Power Plant, Plovdiv

Construction services of the Photovoltaic Power Plant, Plovdiv