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Soldera Joins Mastercard Lighthouse MASSIV 2026 Spring Class

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Soldera announced as member of Mastercard Lighthouse MASSIV 2026 spring class

Soldera has been selected for the Mastercard Lighthouse MASSIV Spring 2026 program, one of just six Nordic and Baltic impact-tech companies chosen for their work, each advancing the UN Sustainable Development Goals.

The spring 2026 cohort also includes SpennX (Norway), Manje Health, Octany, CorPower Ocean, and Plussa (all Sweden). We're the only firm from Estonia to enter into the 2026 class, and whilst Estonia has been well represented in MASSIV in prior cohorts, we're glad to have maintained that momentum this year. That's a very proud moment for us.

What is Lighthouse MASSIV and why does it matter?

The program connects startups with organisations within Mastercard's partner ecosystem like UNDP, Swedbank, Danske Bank, and Nets/Nexi Group. This will propel us forward - MASSIV connections are not for visibility or a one-off introduction, but act as functional pathways towards partners, capital, and market access through specialist introductions and corporate mentorship. Soldera's inclusion here is telling - we were selected for our "commitment and capacity to scale sustainable partnerships". For a company unifying 30+ EAC registries behind one platform, it's this recognition of our work that cements our vision. Solving complex, fragmented ecosystems like renewable tracking is a problem of institutional scale, so ongoing institutional recognition is deeply motivating.

Soldera's Background: How does one platform handle procurement across dozens of European registries?

For context on Soldera and our work: Europe's renewable energy certificate market, put plainly, is fragmented. Dozens of national registries exist, each with distinct rules, formats, and access requirements. Navigating that manually, or through disconnected intermediaries means delays, documentation errors, and ongoing, compounding cost (both in raw time spent, signup and legal fees, and correcting administrative errors).

Soldera maintains hosted accounts connected directly to every major EAC registry - that means EAC procurement, transfer, cancellation, and compliance documentation are all under one roof (or put more accurately, under one interface). Producers, the network of onboarded renewable generation behind our EAC volumes, get the same simplicity: PPA management, portfolio analytics, forward sales, and quality label (also known as ecolabel) administration in one place, removing the overhead that has historically excluded both institutional and smaller generators from international certificate markets. Before Soldera, it simply wasn't worth it for them - there was an administrative barrier in the way.

Managing Energy Attribute Certificates across borders is increasingly being de-prioritised as a tedious back-office burden rather than a strategic priority at large organisations. That's simultaneously a sad reality and an inspiring fact, because we're not seeing any unsolvable limitations - we're actually solving the problem ourselves, every day. Corporate buyers are already using the Soldera platform for direct access to verified certificates from 4,000+ producers (at time of writing), and AI compliance tools are handling regulatory interpretation and certificate filtering automatically, so ESG teams can weather any regulatory storm. The platform does the operational and menial heavy lifting so sustainability professionals don't have to.

Soldera x Lighthouse MASSIV - What's next?

Joining MASSIV accelerates Soldera's push into more markets via targeted introductions with institutional and global reach. Soldera's place in the MASSIV cohort reflects what's becoming obvious across the market: simplifying international EAC management is a priority for multinationals with ESG commitments.

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Stenver Jerkku is the CEO and founder of Soldera, a platform enabling renewable energy producers to maximize revenue through automated Guarantee of Origin trading. He has a background in software engineering and startup leadership, with graduate study at the University of Tartu and TalTech. His environmental commodity experience spans founding Solid World (climate finance infrastructure) alongside founding roles at eAgronom (agri-carbon and MRV) and executive roles at Glia (unicorn company). His day-to-day work focuses on Soldera's product direction, partnerships, and developing AI systems that maximize renewable producer revenues from GOs.

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Stop managing registries, start meeting targets.
Schedule a 20-minute demo to find out if Soldera is right for you.

Seamless Scope 2 Awaits

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Guarantees of Origin can only be traded for the first 12 months after the moment of production, so it does not make sense to wait long.

Additional income is waiting

Artwork showing hydro, solar, biomass and wind icons
Stop managing registries, start meeting targets.
Schedule a 20-minute demo to find out if Soldera is right for you.

Seamless Scope 2 Awaits