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Empowering HVDC Interconnectors: Damas MMS:E and MMS:Inca for Complete Business & Operations Support

The growing importance of cross-border electricity exchange demands solutions that seamlessly bridge commercial processes with operational excellence. By combining Damas MMS:E for market management and MMS:Inca for interconnector dispatch control, operators gain a unified platform that covers the full HVDC interconnector lifecycle—from business and trading processes to real-time operational management. This integration ensures regulatory compliance, efficiency, and reliability, empowering TSOs and interconnector operators to maximize value while safeguarding grid stability.
Native combination to manage the nominations and scheduling
Damas MMS is a mature state of the art platform providing essential market functionalities of Capacity Management, Allocations, Nominations, Schedule Management, and Notifications in full compliance with applicable European network codes and energetics standards. It has already been successfully implemented for majority of TSOs and Interconnector Operators throughout Europe.
Map of Europe showing Damas MMS:E market management system implementations and deployment countries
Map of Europe showing Damas MMS:Inca implementations and deployment countries

Damas MMS is based on a modular microservice architecture ensuring performance, scalability, and fault isolation. Each component operates independently but contributes to a coherent system architecture, enabling phased onboarding and functional expansion. Leveraging the same microservice architectural framework, technology stack, and integration patterns, these components ensure seamless interoperability, faster deployment, and a future-proof path for ongoing platform evolution.

The Unicorn Universe Digital Twin Construction Kit is a platform that play a key role in this. Built on the Mobile-first IoT-ready AI-boosted Cloud Architecture, this digital twin creation tool allows you to create apps that work on all types of devices, from mobile phones to smart TVs. With a unified architecture and set of components, it increases the flexibility of teams, accelerates the training of teams, and handles significant user growth, delivering a major competitive advantage.

Both Damas MMS:E and Damas MMS:Inca have a long-term history of practical implementations in the HVDC domain. Their journey now blends towards a single solution covering the nominations as well as scheduling of an HVDC interconnector as a single coherent system.

Benefits of Damas MMS:E and MMS:Inca combination:

  • Single login/account to access both the nomination and scheduling functions
    • No need of separate accounts for users with needed access to both business processes and functions.
    • Easier user management.
  • Reduction of interfaces as the scheduling inputs already circulate “in the house”
    • Reduction of possible delays / error during data flows transmission.
    • Faster propagation of data into the scheduling process.
  • Unified notifications and audit log functionalities
    • All relevant information on one place.
    • Single and complete audit log trail.
  • Complex business process monitoring
    • From the auction specification, over allocation results reception, through to reference program declaration monitored as a single uninterrupted sequence.
Architecture diagram of Damas MMS for HVDC Interconnector Operators showing business components and platform integration, created in uuMBL Draw
System architecture diagram for HVDC Interconnector management, featuring Damas MMS:E, Damas MMS:Inca, and Energy Service Desk support in uuMBL Draw
It is not just the application – it is also the people! Unicorn takes advantage of a great team of field experts in the areas of nominations, scheduling and dispatch, including the first- and second-line support. All with deep and long experience in the area, be it system design, implementation, delivery, maintenance, monitoring, or operation.
Our solution includes the Damas MMS:E Nominations business module with all necessary features to fully support the cross-border nomination process, including a full range of HVDC domain specifics.
User interface screenshot of the HVDC Nomination Platform showing the Interconnector trading summary dashboard with financial overviews and graphs
User interface screenshot of the Regional Nomination Platform (RNP) displaying the Outage management dashboard with an outage overview chart and status table

Another business module, the Damas MMS:E Capacity Management is our comprehensive solution for interconnection and grid operators to support the cross-border capacity allocation and management processes. Designed in close cooperation with our UX experts, it covers the following business areas with a strong focus on end-user experience.

For over a decade, Damas MMS:Inca has proven to be the right solution for managing the Scheduling and dispatch processes of an HVDC interconnector. It covers operational needs from real-time monitoring of the link status to the actual dispatch of power orders. It represents one of the key and business critical systems supporting the actual control of the HVDC interconnector. Functionally, it is a direct link between the allocation or nomination systems and the real-time control of the HVDC interconnector as such. Inca transforms the received commercial nomination values into operational instructions used to adjust target flow on the HVDC link.

Damas MMS:Inca handles the reception and processing of Nominations (Commercial Schedules) from any Nomination Platform. It ensures the Reference Program declaration to TSOs (declaration or acceptance process), the Physical Schedule (Power Orders) generation, and Power Order Instructions submission to the HVDC Control and Protection system.

The Monitoring tools cover all the involved business processes, including the daily IC declaration, Outage handling, or Ancillary Services.

User interface screenshot of Damas MMS:Inca platform displaying the Notifications dashboard with system errors, warnings, and file transfer statuses
User interface screenshot of Damas MMS:Inca displaying the Power Profile Overview dashboard with an interconnector power level graph and Setpoint Schedule table

All modules of Damas MMS leverage its basic functions such as:

  • User-customizable dashboards and screens in our innovative FlexiGUI.
  • Responsive design and excellent user experience, including the light- and dark-mode options.
  • Direct data exports and imports to / from MS Excel - Smart Dashboards packed with functions such as drag-and-drop re-arrangements, Move-and-resize function, Show-and-hide options, Collapsible components, and Tabular transposition (horizontal-to-vertical and vice versa).
  • Dynamic data visualisation through components (graphs, tables, maps and more).
  • Detailed and aggregated overviews with strict data separation and selection of views depending on the user role and permissions.
  • Aggregated view on the overall daily process.
  • Help at your fingertips - includes on-screen links to online documentation and trainings, Business Chat with the AI assistant, and 24/7 Service Desk (i.e. helpdesk) for immediate assistance.
Future-proof product

Both Damas MMS:E and Damas MMS:Ina are managed products with carefully planned roadmaps to keep up to the pace of modern trends in the energetics. Even though both already possess futureproof functions as a full and native support of multi-interconnector concept, both are continuously improved and extended either with new functionalities or completely new business modules.

Future Development is streamlined by our product approach, following the roadmaps of all involved products. We actively monitor the legislation and industry standard changes, reflecting these in the roadmaps. We closely cooperate with our existing clients, e.g. through the Unicorn Energy Forum and its user groups, collecting the feedback and presenting new features. The Damas MMS:E will soon cover the pan-European capacity allocation processes of JAO.

Authors of the article:
Jan Froněk, Senior Consultant, Unicorn Grid Systems
Martin Hradil, Senior Consultant, Unicorn Grid Systems
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Contact for more info
Unicorn Systems a.s.
+420 221 400 111
info@unicorn.com
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