The European Geothermal Congress 2025 | EGC 2025

6–10 Oct 2025 | Zürich, Switzerland

Stephan Alig

Geophysicist at KIBAG Geotherm

KIBAG

Zürich, Switzerland

27 profile visitsSpeakerMember of EGEC or Géothermie Suisse

Hi, I am a geophysicist with 14 years of experience in creating geothermal probe fields.

My organisation

KIBAG

KIBAG

Private company

Zürich, Switzerland

KIBAG is a leading Swiss company in the building materials and construction sector and was formed in 1926 from the merger of two gravel and excavation companies. Today, KIBAG owns 14 gravel pits, 3 quarries and 25 concrete plants, as well as 17 construction companies specialising in road construction, civil engineering and other specialist areas. Several recycling and waste disposal companies and service providers in the leisure sector complete the picture. The company employs a total of around 2,000 people, mainly in the three business areas of building materials, construction services, and environment and waste disposal. Together, all the companies form a strong team that stands for expertise, integrity, cost-effectiveness and reliability in the Swiss construction industry.
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About me

Geophysisist working in shallow geothermics for 14 years:

10 years at Geowatt AG: specialist construction management, geothermal probe field dimensioning for simple to complex systems, development of quality assurance measuring instruments, quality assurance, and documentation of geothermal probe systems.

4 years at KIBAG Geohterm: Quality assurance in accordance with SIA384/6:2021, training of drilling personnel and managers in shallow geothermal energy at KIBAG, geothermal probe field dimensioning from simple to complex systems and documentation of geothermal probe systems. Development of in-house software for quality assurance of geothermal probes and geothermal probe systems

Skills

  • BHE field dimensioning
  • Software develompent
  • quality assurance
  • modelling

Interests

  • Geothermics
  • Software development
  • drilling
  • modelling

Speaker sessions (1)

Thursday, 9 October 2025

09:00 - 10:30