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Market Communication in the Energy Industry

EDI@Energy compliant exchange of EDIFACT transmission data,
Schedule Data Exchange and Redispatch 2.0 process via email, soon with AS4

Energy Market Communications EDI@energy

For critical infrastructures (KRITIS), you need the highest IT security levels. The EDI@Energy regulations on the safe exchange of EDIFACT transmission files for market communication in the energy industry have been in force since 2017. Later, EDI@Energy specifications also became mandatory for schedule data and the Redispatch 2.0 process.

Under the applicable requirements for certificate management in email communication, a minimum of 3072 BIT certificate key length applies to newly issued certificates since 01.04.2022, among other things. This prerequisite represents a significant challenge that we comfortably solve for you with sophisticated automation. We also support you with our solutions regarding the EDIFACT data exchange transition from email to Applicability Statement 4 (AS4) protocol.

Automated implementation of new communication requirements in the Energy Industry

The constant adaptation of specifications implies ongoing adjustments in the implementation phase. We support you by further developing the Z1 SecureMail Gateway Energy Module on schedule.

EDI@Energy change management certificate requirements etc. from 01.October or 01.April of a year

Master any EDI@Energy transition with Zertificon …

german edi energy email encryption and signing gateway

Our Easy. Secure. Encrypted. electronic communications claim is not fulfilled by only providing appropriate algorithms such as RSASSA-PSS for EDI-compliant emails. We go the extra mile, so you don’t have to. Previously, we have already implemented updated EDI@Energy regulations requiring little to no effort for our customers to operate. All while ensuring automatic exchange of algorithms and keeping existing configurations intact. Additionally, individual internal processes can be set up, enabling different configurations depending on the communication partner.

… as well as the transition to AS4 and future adjustments

One of the most far-reaching adjustments to the transmission path regulations is imminent: the switch of EDIFACT transmission files from email to AS4. According to the latest statement from the German Association of Energy and Water Industries (BDEW), S/MIME encrypted and signed emails will remain the secure communication medium for schedule data and Redispatch 2.0. Things will become even more complex if further processing operations in the energy industry are subject to EDI@Energy regulations in the future. 

We keep an eye on all secure communication developments in the energy industry for you. With us, you receive not only regulation-compliant communication solutions but also solutions to manage special cases easily. We are committed to keeping the usability and efficiency of your workflows a constant in our development process.

Info: AS4 & Smart Metering PKI on Schedule

By 2024, AS4 will be introduced nationwide as a communication protocol based on Transport Layer Security (TLS). The use of the Federal Office for Information Security’s (BSI) smart metering PKI will be mandatory.

Detailed info can be found in decision BK6-21-282 of Ruling Chamber 6 (BK6) of the German Federal Network Agency (BNetzA), dated March 2022.

Introduction Timeline of AS4 with Z1 Releases

Source: the German Federal Network Agency (BNetzA) BK6-21-282, edited by Zertificon

With Zertificon’s Z1 solutions, you invest in a secure and worry-free future for market communication in the energy industry. That way, you are always very well prepared for the long term.

EDI@Energy Functional Module:
Market Communication, Schedule Data Exchange and RD2.0 

The Zertificon Energy Module is available as an extension to the Z1 SecureMail Gateway. You can integrate the Module into your workflows and very efficiently implement all requirements:

  1. EDI@Energy-compliant signing and encryption of emails — for all message formats — using current valid algorithms and certificate specifications

  2. Compression for Redispatch 2.0 and Schedule Data Exchange 

  3. Comprehensive monitoring and reporting of your market communications

  4. Dedicated market partner Address Management with Access Governance

  5. Easy management of clearing cases with highly automated and configurable Alerting

  6. Automated retrieval of RSASSA-PSS signed certificates with a key length of at least 3072 bits from a certificate authority

  7. Automated update to current regulations for the transmission path

  8. High level of fail-safety can be implemented via clusters 

  9. Available for any infrastructure: On-premises or in the Cloud operation, Microsoft 365 and Google Workspace integration

  10. You do not need to operate the solution yourself: available as SaaS via Zertificon’s MSSP partners

EDI@energy compliant communication and secure email with Z1 SecureMail Gateway

Z1 SecureMail Gateway: EDI@Energy communication and secure email


More than just market communication

Z1 SecureMail Gateway Energy Module can protect your office communication in addition to EDI@Energy market communication. Prevent cybercriminal attacks on your intellectual property and easily implement automated GDPR privacy compliance: the multi-tenant capability enables the parallel setup of different isolated use cases. Read more here.

Manage email certificates for market communication, RD2.0, and scheduling process

  • Convenient – own and third-party – manual certificate management
    (Import/Export including extended validation)
  • Timely and automated procurement of succession certificates
  • Parallel use of old and new certificates during the transition period of at least 10 working days
  • Convenient administration and search for foreign certificates of other market participants for 1:1 communication
  • Automated and compliant validation of certificates for decryption and signature verification
  • Automated publishing of own certificates in the market

Obtain EDI-compliant certificates automatically

The popular and convenient automatic certificate retrieval is possible for the energy industry via QuoVadis, just like for usual user or domain certificates. In order to ensure your compliance with EDI@Energy regulations on the transmission path in version 1.5, certificates with a key length of at least 3072 bits have been issued via the Energy Module since 01.04.2022.

You can also easily import certificates from a certification authority of your choice into the Z1 SecureMail Gateway.

EVU EDI@energy email certificates RSASSA-PSS signed - Quovadis Logo
EDI@Energie obtain and publish email certificates automatically. Search and validate market partners' certificates.

Clearing Cases

If the communication partner is not compliant …

With the Energy Module as an extension to the Z1 SecureMail Gateway, you can exchange data conveniently, automatically, and immediately at the appropriate validity time in compliance with the guidelines. If the other party is not compliant, i.e., does not adhere to the latest algorithm for encryption and signature, the communication does not have to be interrupted. By forwarding the message to a clearing case mailbox, it can be processed in a structured manner. You will be informed via alerts if clearing cases accumulate over a short period. This way, you do not lose valuable time resolving special incidents.

Alternatively, policies for dedicated market partner addresses can be configured to allow less stringent compliance enforcement. Fluent communication is thus ensured even in the event of minor non-compliance with the policy.

Energy companies trust Zertificon for secure email communications

Zertificon has always been the competent partner for all complex challenges in secure digital communication for energy companies. As early as 2004, energy providers were among the first customers to use Z1 SecureMail Gateway for encrypted email exchange and digital signatures according to the German Federal Network Agency requirements. Our Energy Module has satisfied our existing customers and won over many other energy companies, Metering Point Operators (MOPs), Distribution Network Operators(DNOs), and Transmission System Operators (TSOs) as new customers.

Why it pays to switch to Zertificon

Notably, new customers who switch to us from other solutions report their surprise at how Z1 SecureMail Gateway simply does its job in the background. Once set up, it just runs. Feedback showed: 80% less effort!

Here are just some of our references:

Logo DEG
Logo BS Energy
Logo Erlanger Stadtwerk
Logo Rheinenergy
Logo Soluvia Energy
Logo Stadtwerke Bonn GmbH
Logo Engie
Logo Lechwerke

“We made the right choice then and are very satisfied. Zertificon’s solution easily implements the market communication specifications. Operating the gateway requires little effort. Administration is simple, and new employees are trained quickly.”

Martin Rieger, IT Manager

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