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MEKH Registry Bridge: Integrated Platform Enables Full MEKH Hungarian Renewable Cancellations

Hungary’s Guarantee of Origin registry, MEKH, is a complex case, mostly because opening an account is a high-friction experience deeply tied to the pre-existing processes of Hungarian digital bureaucracy. Thankfully, a local account is no longer required to manage Hungarian GOs - it is possible to access MEKH directly via Soldera’s Registry Bridge, providing a single access point for global registry work and putting an end to context-switching between registries once and for all.

Use MEKH Without an Account

Through Registry Bridge, Soldera can provide market participants a hosted workflow for Hungarian registry operations. Here, every behaviour is mirrored in our system as a feature: Soldera’s platform natively supports MEKH-linked cancellation, transfer, and data reconciliation, all whilst ensuring total alignment with the underlying registry-state at all times. This alignment occurs by default: under the bonnet, our platform is using bespoke architecture to physically interact with the MEKH registry. For more information on how this is achieved, please see our articles on proprietary, provable integration and what it takes to build registry integrations.

End-to-end MEKH execution matters because Hungarian cancellations require the account holder to designate the beneficiary, consumption location, and period, and until now, that execution was only possible from within MEKH itself. Instead, Soldera’s wrapper makes that country-specific flow far easier to manage from one platform by auto-routing MEKH-native cancellations just as it does for all other registries where cancellation is available.

Hungarian GO Market Context

We’ve also assembled a dedicated page with facts and context on the Hungarian GO market - helpful buying context. To help you understand our offering better, feel free to book a demo.

Registry Bridge FAQ

How long does it take to cancel GOs in MEKH?
Through Soldera’s Registry Bridge, MEKH cancellations can be completed and documented in the Soldera platform. AI-assisted field population covers beneficiary, consumption period, usage category and location, compressing registry work that used to take hours into minutes.
How to transfer Guarantees of Origin into MEKH?
Soldera’s Registry Bridge supports GO transfers into and out of MEKH inside the Soldera platform. The hosted account works as an operational MEKH account, so you can send and receive GOs with counterparties without needing standalone MEKH access.
Is there a GO registry API for MEKH?
Soldera’s Registry Bridge gives you one API endpoint that covers MEKH together with the other major European EAC registries. Instead of sourcing or building a direct MEKH API, which MEKH offers only in limited form, you connect once to Soldera and manage cancellations, transfers and reconciliation across integrated registries from a single connection point.
How to cancel GOs in MEKH?
Soldera’s Registry Bridge lets teams run cancellations in MEKH directly from the Soldera application. You do not need to maintain a separate local account in MEKH just to cancel there.
How to open an account in MEKH?
Account opening details are available in the domain protocol for Hungary. With Soldera’s Registry Bridge, you can also avoid opening a standalone MEKH account for cancellation and GO management workflows. Your hosted account in the Soldera platform gives you MEKH functionality for cancellations, transfers and data reconciliation without the admin load of a separate local account.
How to get cancellation documentation for Hungary renewable energy claims?
Cancellation documentation for Hungary renewable electricity claims needs to come from MEKH. Soldera’s Registry Bridge routes cancellations through MEKH and exports the resulting evidence in-platform, ready for audit and attributed to the beneficiary, consumption period and usage category.
How to match renewable energy in Hungary?
Soldera’s Registry Bridge makes it straightforward to match electricity consumption with verified market-based renewable energy instruments in Hungary. Upload your consumption data, then source and cancel local certificates with documentation from the correct local registry, which in Hungary is MEKH.

Oliver Bonallack is Growth Marketing Lead at Soldera. His writings focus on Energy Attribute Certificates (EACs) and Guarantees of Origin (GOs). He has a background in venture analysis and public policy, with a First Class BSc in Politics & International Relations from the University of Bristol alongside top performance in the Venture Institute and the Terra.do Climate Fellowship. His climate and energy experience includes building AI-first workflows for registry operations and investing in climate technology startups via Collective VC and Team Ignite Ventures. His day-to-day work focuses on compliance and registry ops, market data and policy research, content and GTM systems, and automation across renewable certificate processes

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