IN Brief:
- EU governments have scaled back a proposal to direct congestion revenues into cross-border grid projects.
- The compromise would reduce the near-term contribution from cross-border congestion income and exclude domestic congestion revenues.
- The dispute highlights the growing tension between national grid income, interconnector investment, and European electricity-market integration.
The European Commission’s proposal to use congestion revenues to support major cross-border electricity infrastructure has been diluted by EU governments, raising further questions over how Europe will fund the grid investment required for renewables, electrification, interconnection, and rising electricity demand.
The original plan would have earmarked 25% of unused congestion revenues collected by power grid operators for EU-backed infrastructure projects. Under the revised compromise, national operators would keep revenues collected from domestic power trade, while the contribution from cross-border congestion income would begin at 10% and rise gradually to 25% by 2030.
Congestion revenues are generated when grid constraints prevent electricity from moving freely from lower-price to higher-price areas. As constraints increase, those revenues have become politically sensitive. They are now tied to arguments over transmission investment, interconnector funding, price zones, national energy security, and the cost of integrating renewable generation.
Sweden has been among the countries resisting the Commission’s approach. The country collected SEK30.5bn in congestion revenues in 2025 and has argued for greater national control over how those revenues are allocated. Stockholm had previously warned that it could restrict electricity exports to neighbouring countries if the original EU plan proceeded unchanged.
The wider dispute has already affected live infrastructure planning. Sweden’s paused replacement plan for cables to Denmark, detailed in coverage of the Konti-Skan Connect decision, showed how congestion-income policy can spill into cross-border project delivery. The cable scheme was intended to replace ageing links between south-western Sweden and Denmark, but the funding dispute changed the commercial and political calculation.
Although the revised EU proposal may make a political agreement easier, it also reduces the immediate funding available for the cross-border assets Europe says it needs. Interconnectors can improve security of supply, smooth price volatility, move surplus renewable generation between markets, and reduce the need for duplicate national generation capacity. Their investment case, however, depends on difficult allocations of cost and benefit between countries, consumers, system operators, and market participants.
Europe’s grid investment requirement remains substantial, with the EU estimating that power networks will need around €1.2tn by 2040. That headline figure captures the scale of transmission reinforcement, distribution upgrades, interconnection, substations, digital control systems, and equipment replacement needed as offshore wind, solar, industrial electrification, EV charging, data centres, heat pumps, and hydrogen production reshape electricity flows.
The politics of congestion revenue are difficult because the money is produced by constraint. When networks cannot move power efficiently, price differences create income for system operators. Using that income for reinforcement appears technically logical, yet national governments may treat it as compensation for domestic price impacts, a route to tariff relief, or a funding stream for projects they control directly.
Cross-border infrastructure has always carried a difficult asymmetry. One country may host the asset, another may benefit from lower prices, and a third may gain from improved market stability. Where consumers face rising network charges, governments are reluctant to move visible revenue streams into European-level mechanisms without clear domestic returns.
The revised position therefore preserves more national discretion but leaves unresolved the core financing problem. Europe’s electricity market depends on physical capacity, and physical capacity depends on projects that take years to permit, procure, construct, and commission. If congestion-revenue contributions are reduced, more pressure shifts toward tariffs, national budgets, regulated investment allowances, or project-specific funding mechanisms.
EU energy ministers are expected to settle their negotiating position before discussions with the European Parliament. The final law will need to balance national control, infrastructure delivery, market integration, and investor confidence. A compromise that is politically survivable but financially weak would leave transmission operators with a familiar problem: more system need than available capital.
Europe can design more ambitious electricity markets, but those markets still require converter stations, substations, overhead lines, underground cables, offshore platforms, protection systems, and control rooms. The dispute over congestion revenues has exposed a blunt constraint within the energy transition. Market reform cannot substitute for a funded grid build-out.
