For more than a decade, Guarantees of Origin (GOs) in Romania have functioned primarily as a local compliance instrument — a necessary checkmark for sustainability reports, but with limited trading flexibility and even less strategic value. All that is about to change.
Beginning in 2027, Romania will formally integrate its GO system into the European Energy Certificate System (EECS), aligning with the continent-wide platform that governs the issuance, trading, and retirement of renewable energy certificates. This move — long-awaited by developers and industrial consumers alike — promises to transform the way Romanian companies procure, account for, and leverage renewable electricity. And for those already active in cross-border sustainability strategies, it opens the door to new commercial models, more competitive PPAs, and broader access to green power beyond national borders.
From administrative checkbox to market instrument
Today, GOs in Romania operate in an isolated registry with limited transparency and no cross-border tradability. This limits their utility to domestic claims and offers virtually no flexibility for multinational companies or industrials with operations across several EU countries. Under the current regime, Romanian companies can buy GOs to “green” a portion of their electricity consumption, but these are often derived from legacy hydro assets, and their impact in international ESG reporting frameworks is rapidly diminishing.
Marc Fèvre, legal counsel to Rezolv Energy, emphasized this during a recent industry session: “Using GOs from old assets is becoming less acceptable in ESG frameworks like RE100 or the Science-Based Targets initiative. Stakeholders are demanding transparency, additionality, and verifiable impact.”
The 2027 shift to the EECS will change the game. Once Romania joins the EU-wide registry, GOs issued locally will be tradable across borders — and vice versa. This means Romanian buyers can source certified renewable electricity from more competitive markets and developers can tap into broader demand for their green power. As a result, GOs will evolve from static compliance tools into dynamic assets that can be bought, sold, and strategically deployed across a European portfolio.
A new dimension for corporate PPAs
Rezolv Energy has been one of the few renewable developers in Romania to find solutions to the issues created by Romania’s position outside the EECS. Last year, the company signed five cross-border PPAs totalling 350 GWh of power per annum. These contracts were signed with major multinational companies including T-Mobile and Bekaert, and they helped kick-start the PPA market in Romania.
However, the company is strong supportive of the Romanian government’s decision to integrate its GO system into the EECS. “From 2027, we expect to see a wave of cross-border PPA interest in Romania,” explains Milan Kamaryt, PPA Origination Lead at Rezolv Energy. “Buyers will be able to use Romanian GOs for their pan-European ESG reporting. This enhances the commercial attractiveness of Romanian wind and solar assets and improves liquidity across the region.”
More importantly, this regulatory alignment will allow developers and industrials to explore multi-country renewable energy strategies — such as sourcing from where production is cheapest and claiming impact where consumption occurs. For manufacturers with operations in both Romania and Western Europe, this could significantly reduce the cost of decarbonization.
Flexibility, liquidity, and a more mature market
The integration into EECS will also unlock new flexibility in procurement strategies. Today, companies typically buy GOs bundled with electricity or as standalone products — often at fixed volumes. But in more advanced markets, buyers can participate in GO auctions, hedge prices, or buy spot volumes when market conditions are favorable. This liquidity is critical for managing risk and optimizing ESG compliance across a dynamic operational footprint.
Marc Fèvre underscores the practical impact: “From 2027, Romanian companies will be able to separate their renewable electricity procurement from their physical supply contracts. That opens a spectrum of financial products and new types of agreements — including virtual PPAs and international certificate trading — that weren’t possible before.”
This added complexity will require better internal coordination and new competencies — from legal structuring to energy risk management. But for large energy consumers, it also means gaining access to more sophisticated and cost-effective sustainability solutions.
What companies should do now
While 2027 might seem distant, the decisions made in the next 12–24 months will shape Romanian companies’ competitiveness in the new market environment. The experts at Rezolv Energy and PwC recommend several priority actions:
- Audit your current sustainability claims. Determine whether your current GOs or electricity sourcing strategies will remain valid under evolving ESG standards.
- Model your future energy needs. Understand how cross-border GO trading and hybrid procurement models (PPAs + market purchases + on-site generation) can improve cost control and emissions tracking.
- Review PPA structures and timing. If you plan to enter a PPA, negotiate terms now that anticipate the 2027 integration. Ensure your supplier is preparing for cross-border certificate alignment.
- Engage internal stakeholders early. Corporate finance, sustainability, and legal teams will all need to understand the new value and risk dimensions of GOs under EECS rules.
- Build relationships with trusted partners. Developers like Rezolv Energy — with proven experience in both EU and Romanian contexts — can offer valuable guidance in structuring future-ready agreements.
Strategic advantage through readiness
The Europeanization of Romania’s GO system will not be a marginal upgrade — it’s a fundamental shift in how the country fits into the renewable electricity value chain. Companies that treat it as a strategic opportunity rather than a bureaucratic change will be best positioned to benefit.
At stake is not just cheaper or cleaner power, but access to capital, supply chain visibility, and regulatory credibility. As energy markets become increasingly pan-European in structure and expectation, Romanian industrials must move beyond a local mindset. PPAs and GOs are no longer domestic matters. They are levers of continental competitiveness.
For companies ready to play at that level, 2027 is not a distant milestone — it’s a deadline for transformation.