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E4tech helps clarify and simplify complex and uncertain situations, so you can achieve solutions that are technologically, economically and environmentally sound.

Sustainable Energy Systems Consulting
Energy & Innovation Systems, Energy Systems & Storage, Sustainability & Resources
Fuels & Chemicals
Heat & Power

E4tech is an international strategic consultancy focused on sustainable energy. Since 1997 our exceptional team has worked with companies, governments, and investors to help them understand the global opportunities in clean energy. Sound technical knowledge, thorough and insightful analysis and years of experience allow us to give objective and strategic business and policy advice. Our clients call on us for support in taking decisions under uncertain conditions, shortening development times, identifying markets, finding investors and managing risk.

If you would prefer to speak to us in a language other than English, please contact the appropriate people listed below:

Si vous préférez nous parler en français, veuillez contacter Sébastien Haye, Ralph Ripken ou Luca Bertuccioli.

Sollten Sie lieber auf Deutsch mit uns sprechen, kontaktieren Sie bitte Sabine Ziem Milojević, Franz Lehner oder Ralph Ripken.

Se preferisce discutere in italiano, la preghiamo di contatare Ausilio Bauen o Luca Bertuccioli.

Si prefiere comunicar con nosotros en español, gracias por contactar Sébastien Haye, Ausilio Bauen o Sabine Ziem Milojević.

Als u liever met ons in het Nederlands spreekt, neem dan contact op met Hermen Westerbeeke of Dave Oude Nijeweme.