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effiziente.st – Energy and Environmental Consulting reg. Enterprise
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Idea iconInnovative approaches to energy topics.

effiziente.st Energy and Environmental Consulting e.U.

effiziente.st is a technical office (Austrian Technisches Büro / trade licence) based in Graz, focused on research and development in the energy field. We do have the know‑how and experience for energy consulting and energy audits, but our main focus is on creative work. Together with our clients we look for technically new approaches to specific questions – and provide support, where it fits, with funding eligibility and implementation.

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For research institutions

Universities · Universities of Applied Sciences · non‑university research

Looking for a consortium partner for an energy project? We contribute the applied side and participate in projects of FFG, KLIEN, Horizon Europe and Interreg.

Send a consortium enquiry →
Innovation icon

For energy industry & industry

Utilities · Grid operators · innovation‑minded industry

You have an idea for an energy project and are considering turning it into a funding application? We work on the concept with you, examine possible funding programmes and support submission and reporting.

Discuss your project idea →
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For commerce & SMEs

Production · Trade · Services

You have already implemented or examined the standard measures and are wondering whether there are further possibilities? We look with you at whether certain newer concepts might be feasible at your site. This is explicitly not a classical energy consulting service or energy audit.

Discuss possible approaches →
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For municipalities & regions

Municipalities · Climate regions · Public utilities

You are considering which approaches beyond the usual measures might suit your municipality – and whether a funding project could emerge from them? We look at that together with you.

Discuss a concept →
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Our live lab & selected projects

SoHO lab – an actually operated building we use as a test environment: PV and building‑integrated photovoltaics (BIPV) combined with a heat pump and smart home, intelligently controlled and interlinked. Here we test control algorithms and energy management approaches under real conditions.

Competencies: Algorithms, model‑predictive control, IoT, energy monitoring, software development, system analysis

Technologies: PHP, MySQL, Python, JavaScript, Mathcad, Consideo, sequence diagrams

If your topic fits, we'd be glad to hear from you.

An informal initial conversation is usually enough to gauge whether an approach could work for your project and which funding paths might be feasible.

Request initial conversation Request funding check

Patent Portfolio

View our complete patent portfolio →