• €600 million green hybrid bond priced at 3.95%, the lowest premium achieved by a Spanish issuer in this format
  • Orders exceeded €5 billion from nearly 280 international investors, with more than 62% allocated to sustainable investors
  • Hybrid structure counts as 50% equity under rating agency methodology, supporting credit metrics and capital stability

Iberdrola has returned to the capital markets with a €600 million ($700 Million) green hybrid bond, refinancing an existing instrument due for repurchase at the end of April and locking in highly competitive funding costs amid favorable market conditions.

The bond, disclosed to Spain’s National Securities Market Commission, carries a 3.95% coupon. Structurally perpetual, it includes a repurchase option beginning in December 2032. By issuing now, Iberdrola capitalized on a post earnings market window, with borrowing costs at annual lows and ahead of an expected wave of competing supply.

Investor appetite was substantial. Orders exceeded €5 billion from nearly 280 qualified international investors, enabling the company to significantly tighten pricing during bookbuilding. With a final order book close to €2 billion, Iberdrola secured what it described as the lowest premium in history for a Spanish issuer in this segment, pricing below the theoretical reference implied by its outstanding bonds in the secondary market.

Geographically, allocations were led by the United Kingdom at 27%, followed by France at 24% and Germany at 14%. Spain accounted for 10%, with the Netherlands and Luxembourg jointly representing another 10%, and Italy 5%. More than 62% of the issuance was placed with sustainable investors.

EU Green Standard Alignment Signals Regulatory Readiness

The bond is structured as a green instrument aligned with both ICMA’s Green Bond Principles and the European Green Bond Standard, branded as “EU Green.” That dual alignment positions the transaction within the evolving EU regulatory architecture for sustainable finance.

For C suite leaders and institutional investors, the issuance reflects how large utilities are increasingly using the EU Green framework to anchor credibility and reduce greenwashing risk. The European Green Bond Standard, part of the broader sustainable finance agenda, is designed to enhance transparency and comparability. Early adoption strengthens issuer standing with ESG focused capital pools.

Iberdrola has consistently used green financing to fund renewable generation, grid expansion and decarbonization investments. Maintaining access to labeled capital markets remains central to its strategy as Europe accelerates electrification and energy security priorities.

Capital Structure Discipline and Ratings Stability

Hybrid bonds are a strategic tool for utilities balancing heavy capital expenditure with credit discipline. Under rating agency methodologies, these instruments are treated as 50% equity. That feature allows Iberdrola to support leverage metrics while funding growth.

This latest transaction keeps the group’s outstanding hybrid volume stable at €8.25 billion, consistent with commitments made at its recent Capital Markets Day in London. The company is refinancing rather than expanding its hybrid stack, a signal of capital structure continuity rather than opportunistic leveraging.

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The previous hybrid issuance in November 2024 carried a coupon of 4.247%, making the new 3.95% pricing a notable improvement in cost of capital. In a higher for longer rate environment, shaving more than 30 basis points off a hybrid instrument demonstrates both issuer strength and market confidence.

Eight international banks supported the placement: BNP, HSBC, Unicredit, BBVA, Santander, Natixis, SMBC and Commerzbank. Their involvement facilitated access to global investors across Europe’s core financial centers.

Investor Confidence After Strong 2025 Results

The issuance followed the presentation of Iberdrola’s 2025 financial results, described by the company as positioning it “best in class” in the market. Strong operational performance, combined with disciplined capital allocation, reinforced credit quality in the eyes of investors.

The scale of demand, more than eight times the initial deal size at peak indications, reflects confidence not only in Iberdrola’s balance sheet but also in the resilience of regulated networks and renewable assets within Europe’s energy transition framework.

For executives and asset managers, the transaction highlights three takeaways. First, labeled green instruments aligned with EU standards continue to command depth and pricing power. Second, hybrids remain an efficient bridge between equity and debt in capital intensive sectors. Third, timing the market around earnings and supply dynamics can materially lower funding costs.

As Europe tightens its climate policy architecture and sustainable finance rules mature, large utilities such as Iberdrola are setting benchmarks for how corporate issuers can align governance, financing strategy and decarbonization commitments within a single transaction.

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