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Z1 Energy

AS4 Communication for the
German Energy Market

Secure electronic exchange for all market processes:
Electricity, Gas, Scheduling, Redispatch 2.0
Market communication in the energy sector

Z1 Energy: All-in-one communication solution for the energy sector

Our solution for the energy market is a complete package for the secure exchange of market processes. We automate the transition to AS4 so that you can meet the requirements of the German Federal Network Agency on time and with minimal effort.

Important AS4 deadlines in the German energy market at a glance

Since April 1, 2024, all market partners in Germany’s electricity sector must use AS4 for market communication. Are you looking for an AS4 solution?
Get in touch with us
From April 1, 2025, all market participants in Germany will be required to use the AS4 protocol for gas market communications. The six-month transition period begins on October 1, 2024.
Learn more
Beginning December 1, 2024, the schedule data registration process between balance responsible parties (BRPs) and transmission system operators (TSOs) must be handled via AS4. A two-month transition period will beginn on October 1, 2024.
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Our system currently processes Redispatch 2.0 data as S/MIME-encrypted emails in accordance with the current regulation. The Federal Network Agency has not yet announced when the process will be converted to AS4. Of course, we will support you in this step as well.
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Why Z1 Energy is the right choice for you

AS4 certificate triple

Automated handling of AS4 certificates

Zertificon is a specialist in automated certificate management for email and AS4. Z1 Energy takes care of all steps in the lifecycle management of certificates: from procuring and managing your own certificates to searching for the certificates of your market partners.

Learn more ➔

Integrate business applications

Integrates with your business applications

Z1 Energy can be easily integrated into existing business applications (ERP, B2B) via a REST API or an email interface. Do you use a different application for each market process? Integrate them all!
Cryptographic Module

Cost-effective alternative to HSM: Z1 Cryptographic Module

If you are a passive external market participant, you don’t have to use an HSM, according to the Smart Metering PKI guidelines. In that case, you can get Zertificon’s affordable alternative, Z1 Cryptographic Module.

Learn more ➔

AS4 Path Switch

Hassle-free AS4 Path Switch

We automate tasks whenever we can. For example, for gas and electricity market communication, our software can fully automate the AS4 Path Switch management for all or individual market partners, ensuring compliance without the hassle.

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Clearing Case Management

Clearing Case Management

If your partner doesn’t use the latest encryption and signing algorithms, messages will be sent to a designated clearing case inbox. You’ll receive alert notifications, if you get a high volume of clearing cases in a short period of time. This feature ensures that communication flows smoothly, even if there are minor deviations from the standard.

Z1 Energy as fully hosted service

Outsource hosting to an MSSP partner

Would you like to operate Z1 Energy as a fully managed service? We’d be happy to connect you with one of our Managed Security Service Providers (MSSP). As a third-party service, an MSSP can reduce the workload on your IT team and free up critical time to focus on growing your business. Interested? Please write a short message in the free text field of our request form.

Our German MSSP partners for the energy sector:

Logo Mako365
Logo Michael Schmidt IT
Logo Arvato
Logo Prego

Helping customers adapt to changing EDI@Energy guidelines with minimum effort

We plan ahead, ensuring our customers adopt new guidelines, with maximum convenience and always on time. Since 2007, companies in the German energy sector have trusted us. We’ve consistently adapted our solutions to evolving market needs and will continue to do so. Our prime expertise lies in the automated certificate management for both email and AS4, delivering notable efficiency and cost savings to our clients. Many energy firms, meter operators, distribution system operators, and transmission system operators benefit from our specialized solution. Customer Testimonials:
Logo Stadtwerke Saarbrücken
Logo BS Energy
Logo Erlanger Stadtwerk
Logo Rheinenergy
Logo Soluvia Energy
Logo Stadtwerke Potsdam
Logo Engie
Logo Lechwerke

“We made the right decision back then and couldn’t be happier. Zertificon’s solution enables us to meet all market communication demands and operating the gateway requires minimal effort. The administrative part is straightforward, and new team members get up to speed quickly.”

Martin Rieger, IT Manager

To the case study

Z1 Energy software at one glance

  1. EDI@Energy-compliance: exchange of EDIFACT messages, schedule management using AS4 and Redispatch 2.0 data through email
  2. Highly automated switch to the latest transmission standards
  3. Automated email and AS4 certificate procurement
  4. Automated certificate search and certificate management – including your own and your market partner’s, for both email and AS4
  5. Dedicated market partner address management with access control
  6. Hassle-free clearing case management through automation; configure alert notifications individually
  7. Informative monitoring and reporting
  8. High reliability through cluster implementation
  9. Available on-premises or in the cloud; integrate with Microsoft 365, Google Workspace, and SMTP infrastructures
  10. Outsource hosting: Available as SaaS through Zertificon’s MSSP partners
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