About Us

KRAVVARITIS & PARTNERS – Consulting Engineers, well known as RENEWABLE, established in 2002, as a sequence progress of “MICHAEL GR. VRACHOPOULOS & ASSOCIATES” firm, which was founded in 1981.

RENEWABLE offers Integrated Consulting Engineering Services – MEP DESIGN, CONSTRUCTION SUPERVISION, PROJECT MANAGEMENT & TECHNICAL ASSISTANCE – covering a wide range of development and technical projects, such as ENERGY, HEALTH, BUILDING, TOURISM, MINING, INDUSTRIAL & INFRASTRUCTURE.

Moreover, RENEWABLE provides its clients with its Project Development expertise services, concerning customized and innovative ENERGY SAVING solutions, RENEWABLE ENERGY SOURCES EXPLOITATION (Wind / Solar / Hydro / Combined Heat & Power (CHP) / Geothermal / Biomass & Biogas), and EPC (Energy Performance Contracting) actions.

Our Research & Development department maintains constant liaison with the R&D departments of universities (NTUA, AUT, TEI of Chalkis, ASPETE etc.), technical consultants and experts in international level, so as to be able to provide services even to the most demanding projects.

RENEWABLE has been a dynamic organization, evolving constantly to keep abreast with the developments of technology and science as well as to maintain a high competence with regard to the changing and varying requirements of the international Engineering Market.

The firm based in GREECE and CYPRUS and operates all over EU, with a significant list of high quality completed projects.

Meet Our Team

Kleanthis D. Kravvaritis
Kleanthis D. KravvaritisMechanical Engineer BoD Member - CEO
Mr. Kleanthis Kravvaritis is one of the founders & shareholders of “RENEWABLE”. As member of Board of Directors is responsible for the Management & Marketing Development. Kleanthis, since 1998, holds a Mechanical Engineering Degree, and has wide experience on MEP Design, Construction Supervision, Design Management , Energy Saving, Bioclimatic Design, Renewable Energy Sources Exploitation and ESCo actions development. His expertise covering a wide range of development and technical projects, such as Energy, Health, Building, Tourism, Mining, Industrial & Infrastructure.
Michael Gr. Vrachopoulos
Michael Gr. VrachopoulosPhd. Mechanical Engineer BoD Member – R&D Head
Prof. Michael Vrachopoulos is one of the founders & shareholders of “RENEWABLE”.
As member of Board of Directors is responsible for the Research & Development department.
Michael, since 1981, holds a Mechanical Engineering Degree from NTUA and a relevant PHD title since 1995. Michael has wide experience on MEP Design, Energy Saving solutions Research, Bioclimatic Design & Renewable Energy Sources Exploitation.
Since 2002, Michael holds the title of Professor in Refrigeration, Air conditioning and Renewable Sources of Energy (RSE) in Technological Educational Institution of Chalkis.
Eleftherios D. Kravvaritis
Eleftherios D. KravvaritisMechanical Engineer BoD Member – Eng. Div. Head
Mr. Eleftherios Kravvaritis is one of the founders & shareholders of “RENEWABLE”.
As member of Board of Directors is responsible for the Project & Engineering Services Department.
Eleftherios, since 2004, holds a Mechanical Engineering Degree from NTUA with Postgraduate studies in passive and hybrid air-conditioning (2004 – 2010), and has wide experience on MEP Design, Construction Supervision, Design Management , Energy Saving, Bioclimatic Design, Renewable Energy Sources Exploitation and ESCo actions development. His innovative construction and engineering solutions have resulted in significant project cost and time savings on numerous projects.
Avgoustinos Fotopoulos
Avgoustinos FotopoulosMechanical Engineer Senior Project Manager
Mr. Avgoustinos Fotopoulos, since 2002, holds a Mechanical Engineering Degree from NTUA, and has wide experience on MEP Design, Construction Supervision, Energy Saving, Renewable Energy Sources Exploitation and ESCo actions development.
His expertise covering a wide range of development and technical projects, such as Energy, Health, Building, Tourism, Industrial & Infrastructure.
Anastasios Karaviotis
Anastasios KaraviotisCivil Engineer Senior Project Manager
Mr. Anastasios Karaviotis, since 1978, holds a Civil Engineering Degree from AUTH and has wide experience on Structural Design, Construction Supervision, Site inspections & Project / Contract Management.
His expertise covering a wide range of development and technical projects, such as Infrastructure, Energy & RES, Commercial / Housing Buildings & Tourism developments.
Dimitrios Kravvaritis
Dimitrios KravvaritisElectrical Engineer Senior Consultant
Mr Dimitrios Kravvaritis is one of the advisors of “RENEWABLE” at the field of Electrical Engineering, Power Generation & High / Medium Voltage Distribution Networks.
Dimitris, since 1971, holds an Electrical Engineering Degree, and has wide experience on MEP Design & Construction Supervision with emphasis on Power Generation & High / Medium Voltage Distribution Networks.
Nickolas Dourambeis
Nickolas DourambeisMechanical Engineer Senior Engineer
Mr. Nickolas Dourambeis, since 2006, holds a Mechanical Engineering Degree from NTUA, and has wide experience on MEP Design, Construction Supervision, Energy Auditing & Renewable Energy Sources Exploitation.
His expertise covering a wide range of development and technical projects, such as Energy, Health, Building, Tourism, Industrial & Infrastructure.
 Dimitris Stavlas
Dimitris StavlasMechanical Engineer Senior Engineer
Mr. Dimitris Stavlas, since 2007, holds a Mechanical Engineering Degree, and has wide experience on MEP Design, 3D Modeling, Construction Supervision, Energy Saving & Renewable Energy Sources Exploitation.
His expertise covering a wide range of development and technical projects, such as Energy, Health, Building, Tourism, Mining & Industrial.
Achilleas Gonidis
Achilleas GonidisMechanical Engineer Senior Engineer
Mr.Achilleas Gonidis, since 2007, holds a Mechanical Engineering Degree, and has wide experience MEP Design, 3D Modeling, Energy Auditing & Renewable Energy Sources Exploitation.
His expertise covering a wide range of development and technical projects, such as Energy, Health, Building, Tourism, Mining, Industrial & Infrastructure.
Adam Adamidis
Adam AdamidisGeologist Senior Consultant
Mr. Adam Adamidis, since 1996, holds a Geology degree from AUTH, and has wide experience on Geothermal energy Exploitation (Low / Medium & High Enthalpy) & Geotechnical projects.
His expertise covering a wide range of development and technical projects, such as Energy Production, Health, Building, Tourism, Industrial & Infrastructure.
George Rizopoulos
George RizopoulosElectrical Engineer Specialist Engineer
Mr. George Rizopoulos, since 1996, holds an Electrical Engineering Degree from AUTH, and has wide experience on MEP Design, Construction Supervision, Energy Auditing, Renewable Energy Sources Exploitation, Site inspections & Project Management. His expertise covering a wide range of development and technical projects, such as Energy,
Commercial / Housing Buildings & Tourism developments.
Vassilis Orloff
Vassilis OrloffMechanical Engineer Specialist Engineer
Mr. Vassilis Orloff, since 1995, holds a BEng (Hons) Degree in Mechanical Engineering of Surrey University U.K. & since 1996 a MSc in “Energy Conservation and the Environment”, in the Department of Applied Energy in the School of Mechanical Engineering in Cranfield University, U.K and has wide experience on MEP Design, Construction Supervision, Energy Auditing & Renewable Energy Sources Exploitation. His expertise covering a wide range of development and technical projects, such as Energy, Building & Tourism.

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