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Updated on 
October 27, 2025
Mirova Raises $1.39 Billion in Second Close of Energy Transition 6 Fund to Accelerate Global Clean Infrastructure
October 27, 2025
3 min read

In a significant stride toward advancing the global shift to clean energy, Mirova, an affiliate of Natixis Investment Managers, has secured $1.39 billion in the second close of its Energy Transition 6 Fund (MET6). The fund, now surpassing half of its $2.3 billion target, underscores growing investor confidence in sustainable infrastructure and the momentum driving renewable and low-carbon investments worldwide.

The Energy Transition 6 Fund’s second close drew strong backing from a diverse group of institutional investors—both returning partners and new entrants—demonstrating the expanding appetite for climate-aligned investments. Structured as a French Limited Partnership (SLP), the fund highlights France’s emergence as a European hub for sustainable finance. With $1.1 billion already committed across 10 investments, MET6 is rapidly deploying capital into projects that underpin the energy transition. While not subject to supervisory authority approval, the fund offers professional investors exposure to private market opportunities within the energy transformation landscape.

The MET6 Fund is strategically channeling proceeds into renewable energy, energy storage, low-carbon mobility, and energy efficiency. It also provides growth capital for Independent Power Producers (IPPs) and e-mobility infrastructure, addressing some of the most critical gaps in the global clean energy ecosystem. In the past year, Mirova screened over 300 investment opportunities, representing approximately $21 billion in equity and 190 GW of capacity, signaling the sheer scale and selectivity of its investment strategy. Its active portfolio already spans 20 OECD countries, with installed capacities of 3,833 MW in wind and 1,376 MW in solar PV—a testament to Mirova’s proven track record in infrastructure deployment.

The MET6 Fund’s portfolio is anchored by strategic stakes in renewable energy producers such as RP Global, Isola, and Baltic Storage, collectively targeting 2.7 GW of capacity across seven European markets. RP Global, in particular, represents a major portion of the pipeline, driving a renewed emphasis on solar expansion. Beyond individual projects, Mirova’s fund architecture positions it as a cornerstone investor in Europe’s clean infrastructure future—combining agility in capital deployment with deep industry expertise. With fundraising efforts continuing toward the $2.3 billion goal by end-2025, Mirova is set to accelerate investment in next-generation assets that will shape the decarbonized economy of tomorrow.

Mirova’s $1.39 billion second close of the Energy Transition 6 Fund signals the growing strength of climate finance and investor conviction in long-term sustainability. As MET6 continues its rapid investment pace, it reinforces Mirova’s reputation as a global leader in renewable infrastructure—turning capital into meaningful climate impact across continents.

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