Energy Reimagined –
Powered by Deep Geothermal Solutions

From first site analysis to long-term heat supply —
your trusted partner in geothermal energy.

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Our Commitment

Decarbonizing heat supply is one of the fundamental challenges of the energy transition — especially where existing infrastructure and buildings cannot be replaced overnight.

NULLCOZWEI combines deep technical expertise with pragmatic execution. We analyze sites, manage complex geothermal projects, and deliver reliable, economical heat solutions with a long-term perspective.

We believe in solutions built to last. That is why we rely on deep technical expertise, close collaboration with leading minds in the industry, and measurable quality—working side by side with municipalities, project developers, and investors.

Our answer to regulatory pressure and climate policy targets is a holistic business model—combining intelligent analysis, expert implementation, and long-term security of supply.

“Those who unlock the potential of the deep today are building the infrastructure of tomorrow—quietly, capable of providing baseload, and CO₂-free.”

Steffen Krause, Managing Director, NULLCOZWEI GmbH

O V E R V I E W

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J O B S

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Join the team. Shape the heat transition.

NULLCOZWEI is growing—and we are looking for people who think ahead, develop ideas, and help shape the future. Whether as a working student, project engineer, or strategic thinker, you will work with us on solutions built to last.

Renewable energy generation.

Follow NULLCOZWEI on LinkedIn—for insights into pioneering geothermal projects, clear positions on the heat transition, and real solutions for CO₂-free energy.

Learn more about our expertise.

Sophienstraße 26/27
10178 Berlin

kontakt@nullcozwei.com
+49 30 28484332

Copyright © 2026 NULLCOZWEI GmbH

Imprint and Privacy Policy

NULLCOZWEI GMBH

Sophienstraße 26/27

10178 Berlin

 

Represented by:

Steffen Krause

Email: kontakt@nullcozwei.com

 

Register Entry:

Registered in the Commercial Register.

Court of registration: Amtsgericht Berlin Charlottenburg

Register number: HRB 222896

The European Commission offers the possibility of online dispute resolution via an online platform. This platform can be accessed through the external link http://ec.europa.eu/consumers/odr/.

 

Data Protection:

On May 25, 2018, the new General Data Protection Regulation (GDPR) came into effect.

To contact you in the future, we require your consent, and the necessary form will be sent to you upon request.

The new GDPR (Data Protection Regulation) is extensive! It governs the handling of personal data, so changes have been made. Without your (explicit) consent, we cannot store or use any of your data, and after various deadlines, we will be required to delete it completely and will not be able to inform you.

If we do not receive your consent, we will not be able to contact you.

In short: Please review the new guidelines via this link. Among other things, you will find the following

 

information:

– Reasons for processing personal data

– Legal grounds for processing personal data

– Data protection user rights and how to exercise them

– Information on how to contact us regarding data protection

 

You can object at any time to the use of your personal data in general or for individual parts (e.g., only telephone number or email address).

 

contact@nullcozwei.com

+49 30 28484332

Sophienstraße 26/27, 10178 Berlin