The Energy Accelerator

in the heart of the energy centre in the Karlsruhe TechnologyRegion

AXEL is the only accelerator with a 100 % focus on energy.

  • Start your
  • Grow ideas
    into saleable
  • Achieve
    as a team.

1.Great offer. Great expectations.

Fast lane
Fast lane

Develop your product and test it directly in the grid: your quick access into the energy market.

Senior Expert Coaching
Senior Expert Coaching

Personal feedback for all your questions: our energy network is always there for you.

Challenge yourself
Challenge yourself

You will be promoted and challenged: your mentors will help you to develop and create lasting values.

Build a safe product
Build a safe product

Meet safety requirements during product development: our partners will support you.

Become an entrepreneur
Become an entrepreneur

Our trainings will teach you how to think and act as an entrepreneur.

Best working conditions
Best working conditions

Co-working spaces and modern infrastructure: you will find the suitable environment for your project.

We invest in you
We invest in you

We do not accept everyone: we fully support teams with high potential.


We guarantee autonomy and objectivity: you decide whether to give company shares or not.

B2B start-up community
B2B start-up community

The professional environment is a key to success: benefit from the lively start-up community in the Karlsruhe TechnologyRegion.


AXEL was initiated by fokus.energie e.V. to support early-stage energy start-ups in creating their business and accelerating their market launch.

Do you have an energy-related product or service? Then join AXEL!

2.We offer what you are looking for.

AXEL offers three different intensive entrepreneurship programmes. You select the programme that suits you and your team. You will find further information on the selection process in our » contact form


1-2 days

Form the perfect team for your product. We provide you with an objective competence assessment through:

  • personality tests
  • entrepreneurial skills tests
  • simulation games


4-6 weeks

Learn with AXEL how to shape and communicate the success factors of your business idea and get support in the following areas:

  • product portfolio
  • market identification
  • business model development
  • marketing
  • rhetoric and presentation techniques


12 months

Build your energy start-up. AXEL helps you to develop your product, find pilot clients and bring your business concept up to market readiness. You benefit from a range of offerings tailored specially to your team:

  • support from energy experts
  • access to energy plants for field tests
  • entrepreneurship qualification courses
  • support in business plan creation
  • support in intellectual property management
  • security audit
  • fundraising and access to investors

This is what we offer

... together with our partner network from business, science and education:

mentors | coaches | working space | lab facilities | prototype | security audit | market access | first clients | entrepreneurship | pitch training | design support | energy experts | fundraising | investors

3.We look forward to hearing from you.

Let´s go ...

Contact us – we will help you with a first advice.

I am interested in:
Please choose your title.
Please enter your first name.
Please enter your surname.
Please enter a correct e-mail address.
Please write your message.
The fields marked with * are mandatory fields. Your data will not be passed on to third parties.

The Energy Accelerator
Haid-und-Neu-Straße 7
D-76131 Karlsruhe
+49 721 96 49 27 86

Build your
start-up here.
Grow here.

AXEL offers the best support
for starting and growing your
energy business.

Here you will find the best preconditions
for further growth with your start-up.

The energy accelerator is located in
Germany's largest start-up centre:
the Technologiefabrik Karlsruhe.

Benefit from a strong network, which
will support you even after the end of the programme.

In the heart of the Karlsruhe TechnologyRegion.

Keep up to date and subscribe to our newsletter:

Fokus Energie
Ministry of Economics, Labor and Housing in Baden-Württemberg
StartUp BW

Our partners

TechnologieRegion Karlsruhe GmbH
Stadt Karlsruhe: Wirtschaftsförderung
Karlsruher Institut für Technologie
FZI Forschungszentrum Informatik am Karlsruher Institut für Technologie
Handwerkskammer Karlsruhe
Stadtwerke Karlsruhe GmbH
Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V.
CyberForum e.V.
DIHK Service GmbH
Hochschule Karlsruhe – Technik und Wirtschaft
Technologiefabrik Karlsruhe GmbH
KIC InnoEnergy SE
EnBW Energie Baden-Württemberg AG
Duale Hochschule Baden-Württemberg
To top arrow

Site Notice

Information provided according to Sec. 5 German Telemedia Act (TMG):

fokus.energie e.V.
Haid-und-Neu-Straße 7

76131 Karlsruhe

Represented by:

Dr.-Ing. Hans Hubschneider


Telephone: +49 (0) 721 96 49 27 86
Telefax: +49 (0) 721 96 49 27 84

Register entry:

Entry in the Vereinsregister.
Registering court: Amtsgericht Mannheim
Registration number: VR 700783

Responsible for contents acc. to Sec. 55, para. 2 German Federal Broadcasting Agreement (RstV):

Dr.-Ing. Hans Hubschneider
Haid-und-Neu-Straße 7
76131 Karlsruhe

Dispute resolution:

We do not take part in online dispute resolutions at consumer arbitration boards.

Liability for Contents:

As service providers, we are liable for own contents of these websites according to Sec. 7, paragraph 1 German Telemedia Act (TMG). However, according to Sec. 8 to 10 German Telemedia Act (TMG), service providers are not obligated to permanently monitor submitted or stored information or to search for evidences that indicate illegal activities.

Legal obligations to removing information or to blocking the use of information remain unchallenged. In this case, liability is only possible at the time of knowledge about a specific violation of law. Illegal contents will be removed immediately at the time we get knowledge of them.

Liability for Links:

Our offer includes links to external third party websites. We have no influence on the contents of those websites, therefore we cannot guarantee for those contents. Providers or administrators of linked websites are always responsible for their own contents.

The linked websites had been checked for possible violations of law at the time of the establishment of the link. Illegal contents were not detected at the time of the linking. A permanent monitoring of the contents of linked websites cannot be imposed without reasonable indications that there has been a violation of law. Illegal links will be removed immediately at the time we get knowledge of them.


Contents and compilations published on these websites by the providers are subject to German copyright laws. Reproduction, editing, distribution as well as the use of any kind outside the scope of the copyright law require a written permission of the author or originator. Downloads and copies of these websites are permitted for private use only.
The commercial use of our contents without permission of the originator is prohibited.

Copyright laws of third parties are respected as long as the contents on these websites do not originate from the provider. Contributions of third parties on this site are indicated as such. However, if you notice any violations of copyright law, please inform us. Such contents will be removed immediately.


Privacy Policy

Data Protection

The operators of this website take the protection of your personal data very seriously. We treat your personal data confidentially and according to the legal data protection regulations and this Privacy Policy. The use of our website is generally possible without providing personal data. Personal data, such as names, addresses or email addresses, are always provided on a voluntary basis when possible. Those data will not be passed on to third parties without your explicit permission.

However, we would like to point out that data transmissions via internet (e.g email communication) cannot be entirely secure and may have security vulnerabilities. A complete protection of personal details against unauthorised access by third parties is not possible.


This website partially uses so-called cookies. Cookies do not cause damage to your computer and do not contain viruses. Cookies allow us to make our product more user-friendly, more efficient and more secure. Cookies are small text files, stored by your browser on your computer.

Most cookies that we use are so-called "session cookies". They will be deleted automatically after the end of your visit. Other cookies remain on your terminal device until you delete them. Those cookies enable us to recognise your browser on your next visit.

You can adjust your browser to inform you when cookies are placed, to individually allow cookies, or to generally exclude cookies in certain cases, as well as to activate the automatic deletion of cookies when closing the browser. The deactivation of cookies may impair the functionality of this website.


The provider of these websites automatically collects and stores information in so-called server log files which your browser automatically transmits to us, such as:

Those data cannot be associated with individual persons. We do not merge this data with other sources. We reserve the right to retrospectively check the data if there is any indication of illegal use.

Contact form

If you send enquiries to us via the contact form, your data entered into the contact form, including the stated contact information, are stored for the purpose of dealing with your enquiry and in case of additional enquiries. Those data will not be passed on without your permission.


If you would like to receive the newsletter offered on our website, we require your email address as well as information which allows us to check that you are the owner of the provided email address and that you agree to receive the newsletter. Further data will not be collected. We use those data exclusively for sending the requested information and do not transmit them to third parties.

Permission given for the storage of the data and the email address, as well as their use for the purpose of sending the newsletter, can be withdrawn at any time via the "Unsubscribe"-link within the newsletter.

Facebook-Plug-ins (Like-Button)

Our websites integrate plug-ins from the social network Facebook, Facebook Inc., 1 Hacker Way, Menlo Park, California 94025, USA. You can recognise these plugins by the Facebook logo or the Like-Button on our site. For an overview of Facebook plugins, please see:

If you visit our websites, a direct connection between your browser and the Facebook server is established by this plug-in. In this way, Facebook receives information that you have visited our websites with your IP-address. If you click the Facebook “Like” button while you are logged on to your Facebook account, you may link the contents of our websites to your Facebook account. Thereby Facebook can associate your visit to our websites with your Facebook account. We would like to point out that we as providers of these websites do not obtain knowledge about the content of the transmitted data as well as the use of such by Facebook. For further information, please check the Privacy Policy of Facebook under

If you do not wish Facebook to associate your visit of our websites to your Facebook account, please log out of your Facebook account.

Facebook Pixel

For conversion measurement our website uses the visitor action pixel by Facebook, Facebook Inc. 1601 S. California Ave, Palo Alto, CA 94304, USA ("Facebook").

This technique is used to track the behavior of site visitors after they have been redirected to the provider website by clicking on a Facebook advertising ad. The outcomes can be used to evaluate the efficacy of Facebook advertisements for statistical and market research purposes, as well as optimising future advertising campaigns.

The collected data is anonymous for us as the operator of this website; we are not in a position to draw conclusions about the identity of the users. However, the data is stored and processed by Facebook in such a manner that a connection to the respective user profile is possible, and Facebook is capable of using the data for its own advertising purposes according to the Facebook data usage guideline ( This allows Facebook to enable the display of advertisements both on the Facebook page as well as the third party pages. This data utilization cannot be influenced by us, as a website operator.

For more information on how to protect your privacy, refer to Facebook's privacy policy under

You may also deactivate the remarketing feature "Custom Audiences" in the settings for advertisements under You must be logged into Facebook to do so.

If you do not have a Facebook account, you can disable Facebook's action-based advertising on the European Interactive Digital Advertising Alliance website:


Functions of the service Twitter are integrated on our websites. These functions are offered by Twitter Inc., 1355 Market Street, Suite 900, San Francisco, CA 94103, USA. By using Twitter as well as the function "Re-Tweet", websites you visit are linked to your Twitter account and posted to other users. In doing so, data will be transmitted to Twitter. We would like to point out that we as providers of this websites do not obtain knowledge about the content of those data. For further information, please check the Twitter Privacy Policy:

The privacy settings of your Twitter account can be adjusted under: ändern.


Our websites integrate services of Google+. The provider of these services is Google Inc., 1600 Amphitheatre Parkway Mountain View, CA 94043, USA.

Collection and forwarding of Information: By using the Google+ button you may publish information worldwide. Via the Google+ button you and other users receive personalised content from Google and our partners. Google stores the information that you have voted +1 for content, as well as information about the website that you were visiting when you clicked the +1 button. Your +1 votes may be published or displayed as notices, together with your profile name and your picture at Google services, such as search results, your Google profile or at other places on websites.

Google records information about your +1 activities in order to improve Google services for you and others. To be able to use the Google+ button, you need a globally visible, public Google profile which must contain at least the user name chosen for this profile. This name will be used for all Google services. In some cases this name may be replaced by another name which you have used when sharing contents via your Google account. Your Google account ID can be displayed to users who know your email address or possess any other information identifying you.

Use of collected information: Besides the above mentioned designated purposes, the details provided by you are treated according to current Google data protection regulations. Google may publish summarised statistics about +1 activities of users or pass those statistics on to users and contractual partners like publishers, advertisers or linked websites, respectively.


Our website uses functions of the network LinkedIn. The provider of LinkedIn is the LinkedIn Corporation, 2029 Stierlin Court, Mountain View, CA 94043, USA. Every time you access one of our websites which contains LinkedIn functions, a connection to the servers of LinkedIn is established. LinkedIn will be informed that you have visited our websites with your IP address. If you click the LinkedIn recommend button while logged in to your LinkedIn account, LinkedIn can associate your visit to our websites with your user account. We would like to point out that we, as providers of these websites, do not obtain knowledge about the content of transmitted data as well as their use by LinkedIn.

For further information, please review the LinkedIn Privacy Policy:


Our website uses functions of the network XING. The provider of these functions is XING AG, Dammtorstrasse 29-32, 20354 Hamburg. With each access of one of our websites that contains the XING functions, a connection to XING servers will be established. To our knowlege, no storage of personal data will occur. In particular, XING neither stores IP addresses nor evaluates user behaviour.

For further information concerning data protection and the XING share button, please read the XING Privacy Policy under:


Our website uses plugins from the Google-operated website YouTube. The provider of the website is YouTube, LLC, 901 Cherry Ave., San Bruno, CA 94066, USA. If you visit one of our websites with an embedded YouTube-plugin, a connection to YouTube servers will be established. Information about which of our websites you have visited will then be transmitted to the YouTube server.

If you are logged on to your YouTube account, you allow YouTube to associate your browsing behaviour with your personal profile. You may prevent this by logging out of YouTube.

You will find further information concerning the treatment of user data in the YouTube Privacy Policy under:

Registration with this websites

You can register with this website to be able to use additional functions on this website. The data entered for this purpose will only be used for the respective offer or service for which you have registered.

We also use the email address provided upon registration to inform you about important changes, such as a change in the extent of an offer, or a technical change.

SSL Encryption

For security reasons, and to protect the transmission of confidential data, such as enquiries you send to us as the provider, this website uses an SSL encryption. You can recognise an encrypted connection by the change in the address line of the browser from "http://" to "https://" and by the lock-symbol in your browser address line.

When the SSL encryption is activated, the data you have transmitted to us cannot be accessed by third parties.

Processing of data (customer data and contract data)

We collect, process and use personal data only as far as necessary for the establishment of, contentrelated arrangement of, or change of, the legal relationship (personal data). We only collect, process and use personal data about the use of our websites (usage data) insofar as it is necessary to establish or invoice the use of the service.

Right to Information, Deletion, Blocking

You have the right to be informed about your personal data, their origin and recipients, and the purpose of data processing, as well as the right to correct, block or delete those data at any time and free of charge. For further questions, and questions concerning personal data, feel free to contact us under the address published in the impressum/legal notice.

Objection to commercial mails

Providers are obligated to publish contact information in the Legal Notice/Impressum. The use of such contact information by third parties for the purpose of distributing unsolicited advertisements or other commercial information is prohibited. The operators of this website reserve the right to take legal measures against senders of unsolicited commercial information, e.g. spam emails etc.