Belgium has taken a decisive step toward reshaping its energy system, entering exclusive negotiations with ENGIE to acquire the company’s entire nuclear portfolio in the country.

The proposed transaction, outlined in a newly signed letter of intent between the Belgian government, ENGIE, and its subsidiary Electrabel, would see the state assume ownership of all nuclear operations currently managed by the French utility. This includes Belgium’s full fleet of seven reactors, associated workforce, subsidiaries, and all related assets and liabilities, notably including long-term decommissioning obligations.

At the core of the agreement is Belgium’s intention to bring its nuclear sector under direct public ownership, reflecting a broader policy pivot toward reinforcing energy security and extending the operational life of existing reactors. The government is also signaling ambitions to expand nuclear capacity over time, positioning atomic energy as a cornerstone of its long-term power mix.

The deal remains preliminary. Belgium will now conduct a full due diligence process, with both parties aiming to finalize key commercial terms by October 1, 2026. Importantly, the agreement is non-binding and subject to regulatory approvals and final contract negotiations.

In the interim, ENGIE and the Belgian state have agreed to pause ongoing decommissioning and dismantling activities. This move preserves optionality around reactor lifetimes and future asset utilization, effectively buying time as the strategic direction is reassessed.

The negotiations come amid a broader European reassessment of nuclear power, as governments grapple with energy security concerns following years of market volatility and geopolitical disruptions. Belgium had previously committed to phasing out nuclear energy, but that stance has softened in recent years as policymakers reconsider the role of baseload, low-carbon generation.

For ENGIE, the potential divestment aligns with its ongoing strategy to reduce exposure to nuclear risk and capital-intensive legacy assets. The company has already been engaged in complex negotiations with Belgium over reactor lifetime extensions and liability frameworks, particularly around decommissioning costs.

A full transfer of ownership would represent a significant shift in risk allocation, with the Belgian state assuming responsibility for both operational performance and long-term nuclear liabilities, an issue that has historically been a sticking point in negotiations between governments and private operators.

While the structure and valuation of the deal remain unclear, the outcome could set a precedent for how European nations manage aging nuclear fleets in an era of heightened energy insecurity. If completed, the transaction would consolidate state control over a critical segment of Belgium’s energy system, potentially accelerating both reactor life extensions and new nuclear development.

For now, the process remains at an exploratory stage, but the direction is clear: Belgium is moving to reclaim control over one of its most strategic energy assets.

By Charles Kennedy for Oilprice.com

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