VOLTARES CONSULTING

About Us

OUR APPROACH

Independent advice, technical expertise and practical development experience is the foundation of our consulting work.

From the first feasibility assessment to the successful implementation of a project, our work is guided by technical expertise, transparency and independent advice.

At Voltares Consulting, we support developers, investors and project owners in navigating the technical, regulatory and environmental challenges of renewable energy projects. Our consulting work focuses on wind, photovoltaic and hydrogen projects, covering key phases such as feasibility assessments, project design, permitting support and technical planning.

Our approach is based on data-driven analysis, practical project experience and clear communication with all stakeholders, including authorities, local communities and project partners.

As independent consultants, our objective is to provide objective technical guidance that helps our clients make informed decisions and develop projects that are technically sound, economically viable and aligned with regulatory requirements.

We do not promote specific technologies or manufacturers. Our role is to help our clients develop the best possible project based on the characteristics of each site and the goals of each developer.

THE TEAM BEHIND THE PROJECTS

Experienced consultants supporting renewable energy projects from feasibility to implementation.

Our team

Head of Consulting

Martin Hölzli

Wind Energy Development Wind Resource Analysis Project Planning

Track Record

Over 16 years of experience in wind energy consulting and project development, covering site feasibility assessments, wind resource analysis, turbine layout optimisation, technical planning and permitting support. He has contributed to the development of five wind parks across all project phases, including the preparation of five technical planning submissions with Environmental Impact Assessment (EIA/UVE) coordination, and has carried out around 30 wind farm layout and design studies. His work includes wind modelling and terrain analysis using WindPRO, WindSim, QGIS and AutoCAD, with project experience across Europe.

Senior Consultant

Kilian Mayr

WIND ENERGY SOLAR ENERGY PROJECT MANAGEMENT

Experience

Over five years of experience in renewable energy consulting and project development, working on wind energy projects from site identification to technical planning and permitting support. He has contributed to the development of several wind projects, including technical planning submissions and environmental documentation with UVE preparation, and participated in the coordination of Environmental Impact Assessment (EIA/UVE) procedures. His work includes site analysis, wind resource assessment and wind farm layout design using QGIS, AutoCAD and WindPRO. He has practical experience with Austrian environmental and spatial planning procedures, with projects across Europe.

Consultant

Roman Burger

WIND ENERGY SOLAR ENERGY PROJECT MANAGEMENT

Experience

Over seven years of experience in wind energy consulting and project development, supporting projects from site feasibility assessments to technical planning and permitting. He has contributed to the development of three wind parks across all project phases and carried out numerous wind farm layout and design studies. His work includes coordination of environmental documentation and UVE submissions, including the Siegläss–Pöttelsdorf wind project. He works extensively with QGIS and AutoCAD for site analysis, layout design and technical planning, and has practical experience with Austrian environmental and spatial planning procedures. Project experience includes developments across Europe.

Consultant

Harald Spicka

Wind Energy WindPro Project Support

Experience

One year of experience in wind energy consulting and project development, supporting feasibility assessments, site analysis and technical planning activities. He has contributed to the development of the Zestafoni and Kammern wind projects in Georgia, supporting layout studies and project development tasks. His technical work includes site analysis, wind resource assessment and layout preparation using QGIS and WindPRO. He has received basic training in Austrian environmental, spatial planning and permitting procedures through IG Windkraft courses and in-house training, and supports project coordination and environmental documentation activities.

Junior Consultant

Timo Över

Wind Energy GIS Project Support

Experience

Technical Chemist currently pursuing a Master’s degree in Green Chemistry, with one year of experience in wind energy consulting and project development. He supports feasibility assessments, site analysis and technical planning activities, contributing to the development of the Zestafoni and Kammern wind projects in Georgia, including wind farm layout studies and project development tasks. His technical work includes site analysis and layout preparation using QGIS and AutoCAD. He has basic knowledge of Austrian environmental, spatial planning and permitting procedures through in-house training and supports project coordination and documentation tasks.

Consultant

Stefan Schoppmann

Project Support

Experience

Six years of experience in wind energy consulting and project development, supporting projects from site feasibility assessments through technical planning and permitting procedures. He has contributed to the development of four wind parks across all project phases, including the preparation of four technical planning submissions with Environmental Impact Assessment (EIA/UVE) coordination, and has participated in approximately 15 wind farm layout and design studies. His technical work includes site analysis, wind resource assessment and turbine layout design using QGIS, AutoCAD, BricsCAD and WindPRO. He has practical experience with Austrian environmental, spatial planning and permitting procedures, including participation in several approval processes. Project experience includes developments across Austria.

Consultant

Lina Mejía

Environment & Sustainability Climate Impact Project Management

Experience

Over 10 years of experience in sustainability, climate resilience and environmental project development supporting renewable energy projects. Environmental & Social Manager at Voltares, preparing environmental permitting documentation, reviewing EIAs and coordinating environmental specialists. Supports ESG documentation and environmental compliance for project financing, including IFC Performance Standards and EU requirements. Conducts environmental risk assessments, biodiversity reviews and develops Environmental & Social Management Plans for renewable energy projects with experience across Latin America and Europe.

About Us

OUR APPROACH

THE TEAM BEHIND THE PROJECTS

Our team

Martin Hölzli

Track Record

Kilian Mayr

Experience

Roman Burger

Experience

Harald Spicka

Experience

Timo Över

Experience

Stefan Schoppmann

Experience

Lina Mejía

Experience

OUR PARTNERS