+ 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


Consultancy services for El Dabaa Nuclear Power Plant Project in Egypt

Consultancy services for El Dabaa Nuclear Power Plant Project in Egypt

New information center

New information center

Design, delivery and installation of a heat exchanger for a 10 MVA power transformer at HPP Rositsa

Design, delivery and installation of a heat exchanger for a 10 MVA power transformer at HPP Rositsa

Advance Power Solution (SAI) – Collaborate on SAI projects using the EPLAN platform

Advance Power Solution (SAI) – Collaborate on SAI projects using the EPLAN platform

Reconstruction of SS to 9_10GQ

Reconstruction of SS to 9_10GQ

Updating the models of the electrical system and the generator of the simulator with a model of the MCR unit 6 of Kozloduy NPP

Updating the models of the electrical system and the generator of the simulator with a model of the MCR unit 6 of Kozloduy NPP

Engineering Services and Support of QA: Enhancement of TRACE Model for NPP Gösgen Extension of the TRACE Model for NPP Gösgen for partial load states

Engineering Services and Support of QA: Enhancement of TRACE Model for NPP Gösgen Extension of the TRACE Model for NPP Gösgen for partial load states

Engineering Services and Support of QA: Application and enhancement of TRACE model

Engineering Services and Support of QA: Application and enhancement of TRACE model

Replacement of pumps KV01MP01 / 02/03, pump HS55MP03, pumps KV30MP01 / 02 and gas blowers RD05WF01 / 02 in SFSF

Replacement of pumps KV01MP01 / 02/03, pump HS55MP03, pumps KV30MP01 / 02 and gas blowers RD05WF01 / 02 in SFSF

Assessment of the technical condition and residual life of electrical transformers 114T and 115T at Kozloduy NPP

Assessment of the technical condition and residual life of electrical transformers 114T and 115T at Kozloduy NPP

Procurement of Materials for Repair and Maintenance of Hydro Turbine Equipment

Procurement of Materials for Repair and Maintenance of Hydro Turbine Equipment

Engineering Services and Support of QA: Application and enhancement of TRACE model

Engineering Services and Support of QA: Application and enhancement of TRACE model