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The notion that “AI ultimately depends on electricity” has boosted valuations of green power assets. The world’s largest sovereign wealth fund is looking to increase its holdings but acknowledges they are “too expensive.”

Reported by Futunn
Nov 9, 2026· 3 min read
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Key Takeaways
  • • Norway's sovereign wealth fund, the world's largest at roughly $2.3 trillion, says renewable energy infrastructure prices have become too high, with the market shifting from a buyer's market to a seller's market, according to head of energy and infrastructure Harald V. von Heyden.
  • • The fund invested approximately €11 billion (about $12.3 billion) in renewable energy infrastructure last year, while new allocations this year have reached only "just over €2 billion."
  • • The fund paid $300 million for a 10% direct stake in Aypa Power LLC, a North American battery storage platform, its first direct energy storage investment, announced November 4.
  • • The unlisted renewable portfolio was valued at NOK 114 billion (about $12.1 billion) at end-September, about 0.5% of fund assets and roughly 1% including commitments through 2030, below the 2% authorization cap.
  • • The portfolio returned 7.5% in the third quarter, versus 0.5% for equities and -3.5% for fixed income, while battery storage margins face pressure as capacity grows.
Summary
Norway's sovereign wealth fund, managed by Norges Bank Investment Management and valued at about $2.3 trillion, is seeking to accelerate investment in renewable energy infrastructure but says pricing is constraining deal flow. According to Harald V. von Heyden, the fund's head of energy and infrastructure, the fund invested approximately €11 billion, or about $12.3 billion, in the sector last year, while new allocations this year have been only slightly above €2 billion. He attributed the slowdown to market conditions rather than a lack of effort, stating in a recent interview in Oslo: "The market has shifted from a buyer's market to a seller's market."

The fund's authorization permits up to 2% of assets in unlisted renewable energy infrastructure. As of the end of September, that portfolio was valued at NOK 114 billion, or about USD 12.1 billion, representing roughly 0.5% of total assets. Including investment commitments through 2030, the share rises to about 1%. The portfolio returned 7.5% in the third quarter, compared with 1.8% in the prior quarter, while equities returned 0.5%, private real estate 0.4%, and fixed income -3.5%, according to the fund's data.

On November 4, the fund announced a $300 million purchase of a 10% direct stake in Aypa Power LLC, a North American battery storage platform in which it had previously invested indirectly. The move follows a €4.5 billion agreement struck last year with TenneT Germany, its first grid investment, which extends the fund into transmission networks. Von Heyden said battery storage can deliver attractive returns but warned that rising storage capacity could compress margins by narrowing peak-valley price spreads and intensifying competition for ancillary services. The fund is also adding a team member to its three-person North American projects group.

The broader context is rising demand from AI data centers, which is pushing major technology companies including Google, Microsoft, Amazon and Meta toward long-term power purchase agreements and direct power supply arrangements. Von Heyden views electricity demand growth as one of the largest investment opportunities, while cautioning that elevated valuations for premium clean energy assets are reducing expected returns for new investors. The fund's position reflects a view that allocation capacity and willingness to invest exist, but that new investments are constrained by price.

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Sources

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AlphaMaven summarised this story from the reporting below. Each link opens the original article.

Futunn The notion that “AI ultimately depends on electricity” has boosted valuations of green power assets. The world’s largest sovereign wealth fund is looking to increase its holdings but acknowledges they are “too expensive.”