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Latvia AST Renewable Registry Bridge: Cancel and Transfer Guarantees of Origin (GOs) in AST Using Soldera

Latvia’s Guarantee of Origin registry is operated by AS Augstsprieguma tīkls, commonly known as AST, using Grexel registry infrastructure. It’s not so difficult to create an account here, but what is missing from that approach is building AST into a truly global management and procurement system. Optimally, you’re not managing AST login credentials and browser-based workflows independently - it’s just one part of a broader, intelligent GO management process that works with every registry, worldwide. This article looks at integrating AST into a controlled workflow that doesn’t resemble a pile of separate national instructions.

Use AST Registry + All Other Countries via Soldera

Soldera’s Registry Bridge intelligently connects users to Latvia’s AST registry through a hosted account layer that works exactly as the registry does underneath - but with additional features, such as the ability to procure from local Latvian producers and manage your portfolio in new ways. This means that an AST account is not required to use the AST registry.

As with all other registry integrations built over the years, Soldera’s AST integration was custom-built for this particular GO market. It supports:

  • Cancellation (and subsequent export of AST-sourced cancellation documentation, ready for compliant Latvian claims)

  • Transferring and receiving GOs between your own counterparties, using the account as you would a regular account.

  • Sourcing GOs from the incredibly liquid managed volumes of our Latvian renewable energy producers

  • Data reconciliation and integration with both the AST registry and your own systems, such as ETRM or portfolio management tools. You can also use Soldera’s Registry Bridge API to execute registry actions from your own software stack.

Soldera’s platform also keeps in total alignment with the underlying registry state. The backend of our platform actually interacts with the AST registry, ensuring complete functionality by default. And because Soldera works in every market, your team is no longer hopping between different registries, which can lead to context switching - a detrimental side effect of fragmented GO management. For more information on how integrations are achieved, we’ve written in detail on our proprietary but provable integration methodology.

Latvian Cancellation Certificates - Credible and GHG Reporting Ready

Until now, cancelling within AST was the only way to get cancellation documentation from the AST registry as soon as it is needed. And, as you know, credible claims require cancellations to be local: occurring in the dominant registry where energy is being consumed.

Soldera’s platform acts just as AST does, but with AI enabled tooling that allows bulk, repeat, and programmatic cancellations within AST if required. Our AI will parse your company context and, when about to cancel GOs, it will automatically populate all of the cancellation fields: specifying beneficiary, consumption period, usage category, and country of consumption, ready for your human sign-off. This substantially reduces the back-office work required when processing multi-country cancellations for international energy consumption patterns - we’ve observed client workflows shorten from hours to a few minutes.

In short: Soldera packages Latvia-specific procurement and registry behaviour into a repeatable process, so buyers can obtain Latvian cancellation documentation without treating AST as a manual project in isolation from the rest of your portfolio.

Latvian Market Context

For Latvian market-specific buying context, we’ve built a fact-file specifically for Latvian GOs. We’re happy to answer any questions you feel are unanswered, please book a demo to learn more.

Registry Bridge FAQ

How to cancel GOs in AST?
Soldera’s Registry Bridge enables AST cancellations from one platform workflow. There is no need to run a separate local AST account before you can cancel GOs in that registry.
How to get cancellation documentation for Latvia renewable energy claims?
For Latvia renewable electricity claims, cancellation evidence should be issued through AST. Soldera’s Registry Bridge sends the cancellation through the right registry path and makes the resulting documentation available with beneficiary, period and usage data correctly recorded.
How to open an account in AST?
The domain protocol for Latvia explains local account opening. Soldera’s Registry Bridge is the simpler route when your goal is to cancel or manage GOs in AST: the hosted Soldera account supplies the operational registry access without a separate AST setup.
How to match renewable energy in Latvia?
With Soldera’s Registry Bridge, renewable energy matching in Latvia is handled through verified local market-based instruments. Upload consumption data and Soldera can source certificates and produce cancellation documentation from AST.
How to transfer Guarantees of Origin into AST?
Soldera’s Registry Bridge can be used for GO transfers both into and out of AST. Your hosted Soldera account functions as the working AST access point, allowing transfers with existing counterparties from inside the platform.
How long does it take to cancel GOs in AST?
AST cancellations through Soldera’s Registry Bridge are designed to be executed and evidenced in minutes rather than hours. The platform assists with the required cancellation fields, including beneficiary, location, consumption period and usage category.
Is there a GO registry API for AST?
Soldera’s Registry Bridge provides a single API layer for AST and the wider European EAC registry network. Rather than depending on a direct AST API, which AST offers only in limited form, one Soldera connection can handle cancellations, transfers and registry data reconciliation.

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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