By: Alessandro Pecorari, Policy & Public Affairs Manager
The European Commission’s Clean Energy Investment Strategy sets out an ambitious framework for mobilising private capital into Europe’s energy transition. For infrastructure investors, the question is not whether the ambition is right – but whether the proposed instruments are structured to genuinely move capital.
Electricity grids have become the defining bottleneck of Europe’s energy transition. The Commission’s European Grids Package, published in December 2025, puts the investment requirement at €1.2 trillion by 2040 — €477 billion for transmission and €730 billion for distribution. Against that backdrop, the scale of the challenge is stark: 40% of EU distribution networks are over 40 years old, 500 GW of renewable capacity sits in connection queues, and EU public funding currently covers just 3.4% of estimated grid investment needs to 2030. Public balance sheets cannot close this gap alone. Private capital needs to step in.
That is precisely the context in which the European Commission published its Clean Energy Investment Strategy (CEIS) on March 10, 2026: a framework designed to mobilise institutional capital at scale into the EU’s energy transition. For infrastructure investors, the CEIS represents the most concrete attempt yet by Brussels to treat private finance not as a supplement to public funding, but as the primary delivery mechanism for the grid investment Europe needs.
The strategy deserves serious engagement and scrutiny of whether its proposed instruments are structured to achieve what they set out to do.
Grids as an asset class: the theory and the reality
On paper, electricity grids sit comfortably within the investment mandates of most long-term institutional investors. They are regulated, long-duration assets with inflation-linked revenue streams, low correlation to broader market cycles, and a policy tailwind that is unlikely to reverse. With more than €33 trillion under private management in Europe, and over €12 trillion controlled by institutional investors, the theoretical alignment between the asset class and the available capital pool is compelling.
The harder question is whether that theoretical alignment translates into deployable transactions.
The short answer is: not yet, at the scale Europe needs. Transmission system operators (TSOs) are generally investment-grade but face growing balance sheet pressure from the sheer size of their required capital programmes. Distribution system operators (DSOs) present a different challenge altogether: they are smaller, more fragmented, and locked into national regulatory regimes that were not designed with institutional capital in mind.
This fragmentation is not a minor technical issue. It is the central structural obstacle to deploying private capital into European grids at the scale the Commission envisages. Investors building cross-border or multi-country portfolios face inconsistent regulatory frameworks, different tariff-setting methodologies, and exposure to national political risk, most recently illustrated by the regulatory uncertainty in Sweden and wider political pushback against Brussels among five member states — that makes consistent underwriting of long-term returns genuinely difficult. Many grid opportunities also remain too small or too bespoke for large institutional tickets unless they are aggregated, packaged, or de-risked through a structured platform.
The CEIS acknowledges these constraints. So the next question is whether its proposed solutions are calibrated to address them.
The Strategic Infrastructure Investment Fund: catalytic potential, structural questions
The most prominent instrument in the CEIS for grid equity is the Strategic Infrastructure Investment Fund (SIIF), an EIB-led co-investment platform providing anchor equity alongside private investors, with an initial commitment of €500 million.
Many grid projects, particularly in the DSO segment and greenfield infrastructure, face an equity gap at early stages, where investors are unwilling to absorb construction, regulatory, and ramp up risk. An EIB-anchored platform that addresses this through a repeatable co-investment model with infrastructure funds targets a genuine market failure.
The reception from GIIA members has been broadly positive, though selective. Large institutional investors welcome structures that improve equity access without crowding out private capital, but initial take-up is expected to be limited to managers already active in regulated assets. Broader participation will depend on early transactions demonstrating that the model is both investable and repeatable.
The challenge is whether the SIIF’s design will go far enough. If EIB participates pro-rata alongside private investors, smaller equity tickets may widen the investor pool and help projects reach financial close but the underlying risk profile of each euro invested remains unchanged. The EIB’s institutional credibility and rigorous due diligence carry some signalling value, and its lower return requirements provide a marginal improvement to the blended cost of equity. However, for the SIIF to attract infrastructure investors at scale, its design must meaningfully reduce the weighted average cost of capital (WACC) and offer genuine downside protection.
Genuine de-risking, the kind that broadens participation beyond the most experienced infrastructure funds, would require instruments that directly absorb part of the downside: first-loss equity tranches, subordinated public capital, construction-risk backstops, or regulatory stabilisation mechanisms. The Fund’s design will need to be thought out clearly if it is to attract capital beyond the investors already active in this space.
The Operator Securitisation Facility: technically promising, operationally complex
The second major CEIS instrument relevant to grid financing is a proposed Operator Securitisation Facility (OSF): an off-balance sheet financing structure designed to convert future regulated revenue streams into immediate liquidity for grid operators.
Many grid operators face a combination of high investment needs, constrained borrowing headroom, and shareholders (often municipalities) who are reluctant to accept equity dilution. A structure that monetises contracted future cashflows without touching the equity base is precisely the kind of instrument that can unlock financing capacity without requiring new public spending or political agreement on ownership structures.
In practice, the structure as described in the CEIS would take the form of a revenue-backed financing arrangement, involving a special-purpose vehicle (SPV) to purchase future revenue streams from operators and issue bonds against them. The EIB could provide direct funding to the SPV, act as a guarantor, or support the structuring of a broader market solution.
If the facility can securitise contracted future cashflows across tariff cycles, it could meaningfully reduce the near-term cost of capital for operators whose capex requirements are front-loaded relative to their revenue recovery timelines.
That said, the complexity of implementation should not be underestimated. Transaction costs for pooling the receivables of smaller DSOs are likely to be significant. Documentation risk, coordination with national regulatory frameworks, and ensuring that proceeds are ring-fenced for grid investment all represent design challenges that will require careful technical work to resolve. Success will depend on whether the EIB and Commission commit the technical resource required to get the structuring right.
Hybrid Bonds: the right diagnosis, with important caveats
The third strand of the CEIS grid financing package is an initiative to scale the use of hybrid bonds by TSOs and larger DSOs. Hybrid bonds are debt instruments that under the CEIS are treated as equity by rating agencies. They offer a mechanism for operators to strengthen their balance sheets without diluting existing shareholders. The EIB’s involvement as an anchor investor would provide credibility and help develop a more liquid market for these instruments.
Hybrid bonds require large issuance volumes to justify transaction costs, which means they are most naturally suited to larger TSOs and DSOs that can already access capital markets. For those operators, the marginal benefit of EIB participation as an anchor investor may be more modest: the conundrum is whether public funding should be concentrated at the more accessible end of the market, or directed towards the most challenging part such as smaller, municipal DSOs, where the financing challenge is most acute and the absence of institutional-grade capital most pronounced. For smaller DSOs, hybrid bonds alone are unlikely to be sufficient and would need to be combined with additional and potentially different instruments that might best be explored in the Energy Transition Investment Council.
The Energy Transition Investment Council
Alongside its financing instruments, the CEIS also establishes the Energy Transition Investment Council (ETIC), a new high-level body bringing together investors, financial institutions, Member States, and Commission officials to align EU policy with investor needs and support long-term private capital mobilisation.
The ETIC, has the potential to serve a genuinely useful function. The EU has no shortage of consultative bodies; what has historically been missing is a forum that operates from the bottom up, starting with the specific constraints that prevent private capital from flowing into priority sectors, and working backwards to identify the policy and instrument design changes needed to address them. If the ETIC is structured around that logic, it could become a meaningful delivery partner for DG ENER’s energy transition priorities.
For GIIA members to invest the time and relationship capital that serious engagement requires, the ETIC will need to demonstrate from the outset that it is structured differently: focused on specific, time-bound workstreams; driven by transaction-level expertise; and capable of producing concrete outputs such as instrument designs, regulatory recommendations, pipeline development rather than high-level declarations.
What investors need
Across the instruments outlined in the CEIS, a consistent picture emerges from GIIA’s engagement with its members. Investors need the European regulatory and financing environment to become more predictable, more scalable, and more genuinely de-risked. That means permitting processes that do not consume years of capital before financial close, regulatory frameworks that remain stable through project cycles, financing platforms large and standardised enough for institutional-scale investment, and de-risking tools such as guarantees, subordinated capital, and construction backstops that significantly reduce investment risk rather than simply increase deal size.
The CEIS contains the building blocks for all of this. Whether it delivers will depend on the quality of instrument design, the consistency of regulatory coordination across Member States, and the willingness of public institutions to take the subordinated positions that drives significant de-risking.
GIIA stands ready to engage with the Commission as the Strategy and Energy Transition Investment Council take shape.