Energy Efficiency

Ambienta Small Cap Fund I is a €500 million private equity fund launched by Ambienta SGR in June 2025, surpassing its initial €450 million target due to strong investor demand. The fund focuses on investing in European small-cap companies that are environmental sustainability champions, particularly those with revenues up to €150 million. This strategy allows Ambienta to return to its roots of supporting smaller enterprises that align with long-term environmental trends. The fund leverages Ambienta’s proprietary Environmental Impact Analysis (EIA) tool and ESG in Action program to assess and enhance the sustainability performance of its portfolio companies. These tools ensure that investments contribute positively to resource efficiency and pollution control, aligning financial returns with environmental impact. Deployment of the fund is led by a senior team initially based in Milan and Paris, with plans to expand across Ambienta’s European offices. The team includes experienced partners and advisors with deep sector expertise and local market knowledge, positioning the fund to identify and scale environmental champions effectively.

Ansor, a UK-based private equity firm, has successfully closed its second fund, Ansor Fund II, at the hard cap of £250 million, nearly doubling the size of its inaugural fund raised in 2019. The fund was significantly oversubscribed, attracting a carefully curated group of high-quality limited partners, including leading US-based endowments and blue-chip European investors. Ansor Fund II will continue the firm’s strategy of building high-quality assets through rapid “ground-up” buy-and-build consolidation within fast-growing yet fragmented subsectors. The firm targets resilient, EBITDA-positive businesses that can undergo multiple value inflections through its precision-engineered value creation approach. Led by founding partners Edward Ainsworth, Peter Marson, and Peter Strafford, Ansor leverages over 20 years of experience creating businesses from scratch within the UK SME ecosystem. Since transitioning to a private equity model in 2019, the firm has refined its systematic investment approach and expanded its team and tech infrastructure.

Ara Infrastructure Fund I is an infrastructure fund managed by Ara Partners and located in Houston, Texas. Ara Partners plans to acquire majority interests in 8 to 10 companies generating cash flow but not to its full potential. As of March 2024, it has acquired majority stakes in two companies developing biofuels rail terminals: Lincoln Terminal Holdings in Greenville, South Carolina; and USD Clean Fuels in Houston. In May 2025, the fund reached final close with US$800 million.

GEF US Climate Solutions Fund II LP is a private equity fund managed by GEF Capital Partners. It focuses on investing in North America-based lower middle-market companies that have developed solutions to address climate change and pollution mitigation. The fund exceeded its original $250 million target, closing with $325 million of capital commitments. Limited partners in Fund II include various climate change-focused institutions such as Blue Earth Capital, HQ Capital, ODDO BHF, INGKA Investments, GEM Investments, Första AP-fonden, Quilvest Capital Partners, Granite Capital Management, and Nordea. The fund aims to support small-scale businesses critical to the transition to a net zero and circular economy by providing both capital and guidance from impact investors. GEF Capital invests in companies in sectors including clean energy, energy efficiency, waste, water, and resource efficiency. As of May 2024, the fund has invested in six companies: InSite, a Washington DC-headquartered provider of software used by real estate owners and operators to reduce energy usage and improve building performance in order to meet sustainability goals (2021); Lifecycle Renewables, a Massachusetts-based recycler of used cooking oil into a branded heating oil that is used by universities, hospitals and utility companies to attain net zero carbon emission targets (2022); Murf E-Bikes, a California-based designer and maker of electric bikes (2022); Polargy, a California-based designer of energy efficient systems for hot and cold aisle containment systems, modular walls and structural ceilings in data centers (2023); Civic Renewables, a Maryland-based provider of residential solar energy installation services (2023); and Next Step Energy Solutions, a Colorado-based provider of LED lighting systems used in the healthcare, manufacturing and commercial real estate sectors (2023).. With the closing of Fund II, GEF Capital welcomed two new operating partners, bringing expertise in carbon credit development, sales, marketing, and operational support to deepen value creation and impact for portfolio companies. The fund aims to showcase that environmental outcomes can result in strong financial and environmental benefits. FirstPoint Equity served as the lead placement agent for GEF Capital in fundraising for Fund II, attracting a broad spectrum of responsible investors. Additional placement agent services were provided by Asante Capital, TritonLake, and Impactus Partners. Latham & Watkins served as legal counsel for the formation of Fund II.

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.

The Keppel Sustainable Urban Renewal Fund (KSURF) is a flagship initiative by Keppel Ltd., aimed at transforming aging urban infrastructure into sustainable, high-performance assets. Launched as part of Keppel's broader Sustainable Urban Renewal (SUR) strategy, KSURF focuses on retrofitting and rejuvenating existing buildings to meet modern environmental standards. The fund leverages Keppel's extensive experience in real estate development and asset management to drive decarbonisation in the built environment. KSURF targets value-add opportunities across various real estate segments, including commercial, residential, life sciences, hospitality, and logistics. By integrating renewable energy solutions, energy and water efficiency measures, and smart building technologies, the fund aims to enhance the operational performance and sustainability of its assets. This approach not only contributes to environmental goals but also seeks to deliver attractive risk-adjusted returns for investors. With a geographical focus on key Asia-Pacific markets such as Singapore, South Korea, Japan, Australia, and China's first-tier cities, KSURF is positioned to capitalize on the growing demand for sustainable urban development. The fund's strategy aligns with global efforts to reduce carbon emissions, particularly in urban areas where buildings account for a significant portion of energy consumption. Through its investments, KSURF aims to play a pivotal role in shaping greener, more resilient cities.

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.

Oaktree Power Opportunities Fund VII is the latest installment in Oaktree Capital Management’s long-running strategy focused on investing in companies that provide essential products and services to critical infrastructure sectors. With a target size of $2.5 billion, the fund aims to capitalize on transformative trends such as decarbonization, electrification, and modernization of utility networks. It seeks to partner with established businesses that are well-positioned to benefit from these shifts, particularly in the electric power, natural gas, water, and wastewater industries. The fund's investment approach emphasizes value creation through operational improvements and strategic growth initiatives. Oaktree leverages its deep sector expertise and extensive executive network to work closely with portfolio company management teams. This collaborative approach aims to drive performance enhancements, identify new market opportunities, and strengthen operational capabilities. Geographically, Fund VII focuses on opportunities in North America and Europe, regions where infrastructure modernization and energy transition efforts are accelerating. The fund targets companies that are not startups or turnarounds but are proven performers with strong market positions. By investing in such companies, Oaktree aims to generate attractive risk-adjusted returns for its investors while contributing to the advancement of critical infrastructure.

Pioneer Infrastructure Partners II SCSp is the second flagship fund managed by Pioneer Point Partners, a London-based private equity firm focused on sustainable infrastructure investments. The fund closed in April 2025 with €1.1 billion in commitments, exceeding its original target and highlighting strong investor appetite for environmentally focused strategies. The fund is structured as an Article 9 vehicle under the EU Sustainable Finance Disclosure Regulation (SFDR), which denotes its primary objective as sustainable investment. Its mission aligns with the broader push toward decarbonization, energy transition, and circular economy initiatives in Europe. Pioneer Infrastructure Partners II targets platform investments that promote long-term environmental sustainability. The fund’s strategy involves acquiring controlling stakes in lower mid-market companies and scaling them through operational improvements and strategic growth. The investment team brings sector-specific expertise to build value over time. Target sectors include renewable energy (such as wind, solar, and geothermal), clean fuels, energy efficiency technologies, sustainable mobility solutions, and environmental infrastructure like waste and water treatment. These areas are key to supporting Europe’s transition to a low-carbon economy. Geographically, the fund focuses on Western Europe, particularly the Netherlands, Belgium, Germany, Italy, and Spain—markets with strong regulatory support and infrastructure needs aligned with its thesis. The fund typically invests in companies with enterprise values between €50 million and €200 million, annual revenues of €10 million to €100 million, and positive EBITDA. These companies often require capital for expansion, innovation, and market development as they contribute to sustainable economic growth.

Bosch Ventures, the corporate venture capital arm of the Bosch Group, has announced the launch of its sixth fund, Robert Bosch Venture Capital Fund VI, with a commitment of €250 million (approximately $270 million USD). This fund aims to invest in early-stage and scale-up deep-tech startups worldwide, emphasizing sectors such as artificial intelligence (AI), energy efficiency, automation, climate technology, and quantum computing. The fund's objective is to support companies developing disruptive technologies that align with Bosch's mission to deliver innovation driving sustainable growth and long-term value. Since its establishment in 2007, Bosch Ventures has built a global presence with offices in key technology hubs, including Germany (Stuttgart, Frankfurt), the United States (Boston, Sunnyvale), Israel (Tel Aviv), and China (Shanghai). This global footprint enables the firm to identify and support startups with the potential to transform industries. To date, Bosch Ventures has made over 100 investments in key deep-tech areas, including AI, automation, energy efficiency, semiconductors, and mobility. Beyond capital, Bosch Ventures offers startups access to Bosch's business units through the Open Bosch program, supporting product development and market entry. This initiative fosters co-innovation by connecting startups directly with Bosch’s operating units, offering a unique platform for commercialization and scale. The fund's launch reinforces Bosch's commitment to innovation, even amidst economic uncertainties, by promoting technological progress in business and society.

Vireo Electrification Fund I is an early‑stage venture capital fund managed by Vireo Ventures, headquartered in Berlin, Germany. Its mission is to accelerate Europe’s transition to an electrified future by backing startups that help decarbonize energy systems, mobility, and infrastructure. The fund closed at €50 million, attracting LPs including energy utilities, corporates, and institutional investors. The fund invests primarily at the seed and pre‑seed/early stages in companies offering hardware‑enabled or software‑enabled solutions across the electrification value chain. Key focus areas include grid intelligence, heat decarbonization, electric mobility infrastructure, energy storage, and smart infrastructure in real estate and industry. Vireo’s model emphasizes close collaboration with its limited partners (LPs), many of which are utilities or energy incumbents, to facilitate pilot projects, scaling, and operational integration for portfolio companies. Rather than being passive backers, LPs contribute industry expertise and connections, helping portfolio companies move more quickly from prototype toward commercial deployment. Geographically, the fund focuses on European startups, although exposure outside Europe is evaluated selectively. Vireo seeks companies with meaningful European presence, whether through operations, customers, or regulatory exposure. Its investments are drawn from a mix of hardware and software, with a strong lean toward solutions that can scale and contribute significantly to decarbonization paths for energy, mobility, heating, and industrial systems.