Energy Transition
10 funds
Ara Infrastructure Fund I
Ara Infrastructure Fund I is the debut infrastructure vehicle of Ara Partners, a private markets firm headquartered in Houston with offices in Boston and Dublin, recognized as a specialist in the decarbonization of the industrial economy. The fund reached its final close in May 2025, raising over $800 million in aggregate commitments—surpassing its $500 million initial target and drawing strong support from both existing Ara investors and new institutional partners including pension funds, insurance companies, sovereign wealth funds, endowments, and foundations from North America, Europe, and the Asia-Pacific region. Unlike traditional infrastructure funds focused on mature operating assets, Ara Infrastructure Fund I pursues a distinctive strategy centered on developing new infrastructure and repurposing high-quality legacy assets for the low-carbon industrial economy. The fund invests in mid-market infrastructure businesses across North America and Europe in sectors including terminal services and energy logistics, renewable fuel and biofuel feedstock infrastructure, and organics recycling and waste management. At the time of final close, the fund's portfolio encompassed 12 operational assets, including Lincoln (terminal services, Southeastern and Mid-Atlantic United States), USD Clean Fuels (renewable fuel feedstock, U.S. West Coast), and Natural World Products (organics recycling, Ireland). The strategy is led by industry veterans George Yong and Teresa O'Flynn and represents a natural extension of Ara's existing private equity capability into infrastructure-grade assets, where longer hold periods, predictable cash flows, and defensible contract structures complement the firm's industrial decarbonization thesis. The infrastructure strategy operates alongside Ara's flagship private equity program (Ara Fund III, closed at $2.8 billion in December 2023), providing investors with exposure across the capital structure spectrum of industrial decarbonization.
Arcline Capital Partners IV
Arcline Capital Partners IV is the fourth flagship vehicle raised by Arcline Investment Management, closing at $6 billion in October 2025 after a rapid sub-10-month fundraising cycle. The fund significantly exceeded its initial $5 billion target, reflecting strong institutional demand for Arcline’s consistent, industrial-focused investment strategy. Legal counsel for the fundraise was provided by Kirkland & Ellis. The vehicle maintains Arcline’s emphasis on technology-led industrial platforms, with investments targeted across a diverse set of sectors including defense, aerospace, industrial technology, life sciences, energy transition, and specialty materials. These industries align with the firm's long-standing belief in secular tailwinds and thematic value creation. Fund IV focuses on acquiring or partnering with middle-market companies in North America, particularly those with enterprise values of up to $3 billion and annual revenues up to $1 billion. Arcline’s hands-on, operationally intensive approach is designed to accelerate growth through digital enablement, carve-out execution, and management team collaboration. The fund is positioned to benefit from long-term macroeconomic and geopolitical trends such as supply chain reshoring, defense modernization, and industrial decarbonization. Arcline seeks to leverage these dynamics through platform consolidation, carve-outs from larger corporations, and investment in companies where technology transformation is a value lever.
Blackhorn Ventures Industrial Impact Fund II, LP
Blackhorn Ventures Industrial Impact Fund II, LP (IIF II) is a $150 million venture capital impact fund managed by Blackhorn Ventures, an investment firm founded in 2017 by entrepreneurs, operators, and investors. The fund achieved its final close on June 27, 2024, with a 2022 vintage year reflecting the initial deployment period. IIF II attracted a distinguished group of limited partners including Mitsubishi Electric, Mercuria Energy, Goldbeck GmbH, Simpson Strong-Tie, Jonathan Rose Companies, the Grantham Foundation for the Protection of the Environment, and Caprock, alongside other institutional investors who share a conviction that the industrial energy transition represents one of the defining investment opportunities of this decade. IIF II deploys capital at the Seed and Series A stages into capital-efficient software solutions, vertical SaaS platforms, and AI-enabled applications addressing resource efficiency and decarbonization across hard-to-abate industrial sectors. Blackhorn's 'bits and atoms' investment thesis targets the intersection of digital intelligence and physical-world processes across four interconnected verticals: energy, construction and the built environment, supply chain and logistics, and transportation. The fund prioritizes founders at the forefront of industrial AI — particularly those commercializing scalable solutions to critical labor shortages, operational inefficiency, and the carbon intensity of industries that together represent trillions in U.S. and global GDP. Investment geography is primarily the United States, with selective exposure to European opportunities meeting the same industrial thesis criteria. IIF II has deployed into over 20 portfolio companies, including Formic (industrial robotics software), Circuit Mind (electronics manufacturing automation), ThinkLabs, Specifix, EcoWorks, Optera, and Electric Era. As documented in Blackhorn's 2024 Annual Impact Report, portfolio companies deliver measurable outcomes across greenhouse gas reduction, labor productivity gains, and operational cost savings. The fund's impact mandate is structurally enforced: carried interest is linked to demonstrated environmental and social outcomes, aligning GP incentives with the fund's stated mission of industrial decarbonization. Managed from the United States and structured as a Delaware limited partnership, Blackhorn Ventures Industrial Impact Fund II is the second in the firm's flagship fund series and represents the fullest expression of the firm's Industry 4.0 investment philosophy combining digitization and decarbonization.
EIP Flagship Fund III
EIP Flagship Fund III is the latest core investment vehicle from Energy Impact Partners (EIP), a global investment firm focused on the clean energy transition. Launched in 2023, this $1.36 billion fund builds on EIP’s collaborative model, bringing together more than 75 strategic limited partners from the energy, utility, industrial, and financial sectors. The fund is designed to accelerate innovation and real-world deployment of transformative technologies across the global energy landscape. This third Flagship Fund represents nearly a 40% increase over its predecessor, giving EIP significantly more capital to deploy during a pivotal moment in the energy industry. With surging power demand driven by AI infrastructure, data centers, and electrification, energy systems must evolve to deliver greater reliability, affordability, and resilience. Fund III focuses on commercially validated technologies that can scale — particularly in energy production, storage, distribution, and intelligent grid management. The fund’s investment strategy is tailored for complexity, with flexibility to adapt across regional and regulatory contexts while targeting growth and mid-market opportunities. EIP emphasizes companies that have achieved product-market fit, possess robust technology, and demonstrate clear scalability. By combining sector-specific diligence with a deep network of corporate partners, EIP supports companies that can materially accelerate decarbonization and infrastructure modernization. EIP Flagship Fund III is not just capital—it’s a platform. The firm fosters deep collaboration between its LPs, portfolio founders, and industry operators to ensure that innovation scales beyond the lab. Backed by sovereign wealth funds, insurers, mission-aligned family offices, and global corporates, the fund seeks to deliver both impact and returns by enabling the next generation of energy systems globally.
Energize Ventures Fund III
Energize Ventures Fund III, with $430 million in capital commitments, is a VC fund by Energize Capital. The fund went over its initial target of $350 million. This fund aims to invest in early-stage companies developing digital and software-enabled solutions that drive energy and industrial transformation. The closure of Fund III brings Energize Capital's total assets under management to over $1.8 billion. The fund focuses on asset-light, digital-first climate solutions, particularly in sectors such as industrial digitization, next-generation infrastructure, and the energy transition. Energize Capital plans to invest in companies at the Series A to C stages, with average check sizes ranging from $15 million to $20 million. Initial investments from Fund III include Tyba, a battery optimization software platform; Archive, a resale technology solution for brands; and Nira Energy, a grid interconnection software platform for energy developers. Energize Ventures Fund III is backed by a diverse group of institutional, corporate strategic, family office, and impact investors. New limited partners include Sweden’s Första AP-Fonden (AP1), Capricorn Investment Group, Reference Capital, Keeling Capital, Keysight Technologies, and WEX Venture Capital. Returning investors comprise GE Vernova, Caisse de dépôt et placement du Québec (CDPQ), Builders Vision, UBS, and WEC Energy Group.
Greenbelt Capital Partners III
The Greenbelt Capital Partners III fund is a dedicated middle‑market private equity vehicle focusing on companies that are at the intersection of energy, power, and infrastructure transformation. Backed by institutional investors globally, the fund reached its hard cap of US$1 billion, surpassing an initial target of US$750 million, signalling strong confidence in the strategy. The strategy centres on backing commercial leaders that enable electrification, digitalisation, grid‑modernisation, energy efficiency and decarbonisation in the built energy system. By partnering with management teams in the middle‑market, the fund seeks to scale businesses that are driving the “new energy economy” and bridging the gap between traditional energy infrastructure and more modern, resilient, low‑carbon systems. With a seasoned leadership team that has deployed over US$6 billion in equity across more than 260 transactions in their careers, the fund leverages sector experience, operational know‑how and a collaborative culture to generate value for both investors and portfolio companies. The fund targets companies with robust growth potential, operating in geographies around North America, Europe and Asia‑Pacific, and aims to deploy capital initialising now that the fund is closed. The manager is actively building a pipeline of investment opportunities aligned with global megatrends around electrification, infrastructure modernisation and sustainability.
INVL Renewable Energy Fund I
INVL Renewable Energy Fund I (REFI), launched on 20 July 2021 by INVL Asset Management, is a closed‑end investment vehicle tailored to informed investors. Focused on developing and acquiring utility‑scale solar and wind projects, mainly in Poland and Romania, REFI aims to deliver attractive risk‑adjusted returns while supporting Europe’s clean‑energy transition. The fund invests in greenfield and brownfield projects of mid‑ to large‑scale size (approximately €20 m–€70 m each), structured via direct ownership or SPEs, and financed through a mix of equity and debt. Investments are backed by long‑term revenues such as Power Purchase Agreements and Contracts for Difference, ensuring predictable cash flows and asset value enhancement. By mid‑2025, REFI had raised about €73.9 million (through investor units and bond programmes) and built a development portfolio of roughly 389 MW—eight solar parks in Romania (356 MW) and 32 MW+ in Poland—with expected total project investment of over €250 million. Construction is slated for completion by end‑2027, and bond‑based refinancing and new issuance remain key tools for funding this growth trajectory.
ISQ Global Infrastructure Fund III
ISQ Global Infrastructure Fund III is a 2021 vintage infrastructure value-added fund managed by I Squared Capital. The fund closed at its legal cap of $15 billion, surpassing the initial target of $12 billion, with commitments from over 200 institutional investors across 27 countries. Including a dedicated co-investment vehicle, the fund has $15.5 billion in investable capital. The fund focuses on investments in sectors such as transportation, water and waste management, telecommunications, renewable energy, supply chains and logistics, energy transition, and digital infrastructure. It aims to make impact investments in infrastructure, preferring to invest in 15 to 20 companies globally. ISQ Global Infrastructure Fund III seeks to address critical challenges in a post-COVID world, including climate change, supply chain disruptions, digital transformation, and the energy transition. The fund targets gross returns of 15–20% and a cash yield of 6%.
Libra Hybrid Capital Fund
The Libra Hybrid Capital Fund is a private credit vehicle launched by Granite Asia, a Singapore-based multi-asset investment platform. The fund has secured over US$250 million in anchor commitments from leading Asian sovereign wealth funds, general partners, and a network of founders and entrepreneurs. With a target size of US$500 million, the fund aims to provide non-dilutive capital to mid-market companies across the Asia-Pacific region. Libra focuses on offering secured loans with a defensive risk profile, targeting established businesses that are profitable or have positive cash flow. These companies span various sectors, including those undergoing digital transformation or pursuing growth through acquisitions. The fund leverages Granite Asia's technology ecosystem and operational expertise to deliver stable cash yields and enhanced returns. Managed by partners Ming Eng and Roger Zhang, the fund is part of Granite Asia's broader strategy to support a diverse range of businesses that form the backbone of Asia's economy. By providing flexible, non-dilutive financing solutions, Libra aims to bridge funding gaps for companies scaling within and across the region.
Mirova Energy Transition 6 (MET6)
Mirova Energy Transition 6 (MET6) is the sixth investment vehicle of Mirova, an affiliate of Natixis Investment Managers focused on sustainable infrastructure and renewable energy. The fund seeks to invest in proven clean‑energy technologies—including onshore and offshore wind, photovoltaics, hydropower, energy storage and efficiency solutions—while also supporting low‑carbon mobility and hydrogen infrastructure. With a target size of up to €2 billion, MET6 aims primarily at European infrastructure markets, but remains open to investments in other OECD countries, leveraging Mirova’s strong relationships with developers and its flexible investment approach of taking majority or minority stakes, and deploying equity or subordinated debt. The fund builds on Mirova’s prior energy‑transition funds and draws on a dedicated infrastructure team with decades of investments behind it. The strategy positions itself to help accelerate decarbonisation across the energy value‑chain by backing both project promoters and platform scale‑ups throughout full project life‑cycles. MET6 is aimed at institutional investors seeking both financial returns and positive environmental impact, offering a means to deploy capital into resilient energy transition infrastructure aligned with global net‑zero ambitions.