# Sandbrook Capital Plain-text summary of key public information on the Sandbrook Capital website. Sandbrook Capital is a private investment firm building infrastructure companies that support reliable, resilient and lower-carbon power systems. Canonical site: https://sandbrook.com/ About Sandbrook: - Sandbrook invests in infrastructure that powers a resilient future. - The team is made up of experienced infrastructure investors and operators focused on the power systems, grid services and resilient assets required for sustained economic growth. - Power demand, grid modernization and climate adaptation are converging into a long-term need for physical infrastructure across North America and Europe. - Sandbrook works alongside portfolio companies with sector expertise to streamline operations, accelerate growth and build infrastructure businesses. - Focus areas: - Power Generation: Scalable, lower-carbon power generation for digital infrastructure, electrification and domestic energy needs. - Grid Infrastructure: Transmission, distribution and grid services needed as aging equipment, new generation, growing load and extreme weather put pressure on the grid. - Supply Chain: Specialized equipment, vessels and services that remove bottlenecks in the deployment of large-scale energy infrastructure projects. - Energy Use & Efficiency: Tools that help customers and utilities measure, test, predict and manage electricity demand. - Climate Adaptation: Solutions that harden infrastructure and protect critical assets against increasingly volatile physical climate risk. Key figures: - Data as of December 31, 2025 - AUM: $4.5bn - Projects: 425 - Global asset footprint: 46.3 GW - People employed across portfolio: 2,600+ - Avoided emissions: 270k+ tCO2e/year Core pages: - About: https://sandbrook.com/about - Sandbrook's infrastructure investment strategy and focus areas across power generation, grid infrastructure, supply chain, energy use and efficiency, and climate adaptation. - People: https://sandbrook.com/people - Sandbrook's investment team, operating partners, functional leaders, and advisory board. - Portfolio: https://sandbrook.com/portfolio - Sandbrook's portfolio companies across infrastructure needed for reliable, resilient and lower-carbon power systems. - News: https://sandbrook.com/news - News and updates from Sandbrook Capital and its portfolio companies. - Sustainability: https://sandbrook.com/sustainability - Sandbrook's responsible investment approach, sustainability reports, and policies. - Contact: https://sandbrook.com/contact - Sandbrook office locations and inquiry email addresses. - Policies and Notices: https://sandbrook.com/disclosures - Legal, privacy, regulatory, website, and ESG-related notices. - Privacy Policies: https://sandbrook.com/privacy-policies - Website Privacy Notice, California Website Privacy Policy, and EEA-UK Website Privacy Notice. Portfolio companies: - Krios - URL: https://sandbrook.com/portfolio/krios - Investment year: 2026 - Region: Europe - Sector: Energy Use & Efficiency - Summary: Developer of powered, ready-to-build land for large-scale data centre infrastructure. - Company overview: Krios is a developer of power-enabled sites for large-scale data centers across Europe, focused on securing access to low-carbon electricity in partnership with local utilities and designing sites that integrate well with communities. The Company is led by an experienced team with deep expertise in European energy markets, grid strategy, and data center development. Krios works across the development value chain to unlock scalable, sustainable data center sites tailored to European regulatory and infrastructure conditions. - United Utility Services - URL: https://sandbrook.com/portfolio/united-utility-services - Investment year: 2026 - Region: North America - Sector: Grid Infrastructure - Summary: Integrated maintenance and resiliency solutions for distribution, transmission and substation infrastructure. - Company overview: In February 2026, Sandbrook closed the acquisition of United Utility Services (“UUS”), a leading provider of integrated maintenance and resiliency solutions for distribution, transmission and substation infrastructure. Founded in 2018, UUS plays a critical role in both the ongoing maintenance and the long-term modernization of the grid. UUS partners with utilities and communities across the US to harden their systems and meet growing power demand. - intellirent - URL: https://sandbrook.com/portfolio/intellirent - Investment year: 2025 - Region: North America - Sector: Grid Infrastructure - Summary: Specialized electrical testing equipment rentals for power infrastructure. - Company overview: In February 2025, Sandbrook announced the acquisition of intellirent, the leading provider of specialized electrical testing equipment rentals for medium- and high-voltage power infrastructure across North America. intellirent plays an important role in the maintenance, commissioning, and repair work involved in the modernization and expansion of the region’s energy infrastructure. The company serves a diverse customer base, including utilities, EPC companies and electrical equipment manufacturers. - Cloverleaf Infrastructure - URL: https://sandbrook.com/portfolio/cloverleaf-infrastructure - Investment year: 2024 - Region: North America - Sector: Energy Use & Efficiency - Summary: Developer of large-scale sites for data centers powered by low-carbon electricity. - Company overview: In July 2024, Sandbrook announced an equity commitment of $300MM alongside NGP Sustainable Infrastructure into Cloverleaf Infrastructure, a recently-formed developer of large-scale sites for data centers powered by low-carbon electricity. Cloverleaf was founded by two power development executives that we have worked closely with for over a decade, Dave Berry and Jonathan Abebe, alongside a proven leader in the data center development business, Brian Janous. Cloverleaf collaborates with regional US utilities and data center operators to deliver large-scale data center sites through strategic investments in real estate, transmission, grid interconnection, onsite generation and storage, and utility-scale low-carbon generation. - rPlus Energies - URL: https://sandbrook.com/portfolio/rplus-energies - Investment year: 2024 - Region: North America - Sector: Power Generation - Summary: Utility-scale renewable energy developer with solar, wind, battery and pumped storage hydropower projects. - Company overview: In February 2024, we announced an investment of up to $460MM in rPlus Energies, a leading utility-scale renewable energy developer based in Salt Lake City, Utah. Since its founding in 2018, rPlus has developed a diversified portfolio of solar, wind, battery and pumped storage hydropower facilities representing over 15 gigawatts of generation or storage capacity, building upon its history of successfully commercialized and constructed projects in the US. Led by Luigi Resta, Cliff Smith, Theresa Foxley, and John Spilman, the management team brings astute industry know-how gained from decades of experience developing renewable projects across the US. - NeXtWind - URL: https://sandbrook.com/portfolio/nextwind - Investment year: 2023 - Region: Europe - Sector: Power Generation - Summary: German renewable energy company focused on acquiring and repowering onshore wind farms. - Company overview: In August 2023, Sandbrook, alongside PSP and IMCO, acquired NeXtWind, a leading German renewable energy company specializing in acquiring and repowering onshore wind farms. With $750MM of committed capital, NeXtWind is rolling up and repowering the large, fragmented, and aging German onshore wind market and in the process, growing into a scaled renewable IPP. To date, NeXtWind has acquired >450 MW of onshore wind capacity across Northern Germany and is currently undergoing the repowering process. Led by Ewald Woste, Lars Meyer and Werner Suss, the NeXtWind management team brings decades of experience in the European power and renewables market. The company is headquartered in Berlin, Germany. - Voltwise - URL: https://sandbrook.com/portfolio/voltwise - Investment year: 2023 - Region: Europe - Sector: Grid Infrastructure - Summary: Developer, owner and operator of utility-scale battery energy storage systems in Europe. - Company overview: In June 2023, Sandbrook launched Voltwise Power (Voltwise), a newly formed developer, owner, and operator of utility-scale battery energy storage systems (BESS). Voltwise is initially focusing on the UK and Germany, with the intention of expanding further across geographies in Europe and will target BESS projects strategically located near large power demand centers, or at places where the grid faces heightened congestion, price volatility, or fragility. The management team has decades of experience building and developing successful businesses across the energy sector globally, with a particular focus on power generation, commercialization, risk management, and BESS solutions. - Havfram - URL: https://sandbrook.com/portfolio/havfram - Investment year: 2022 - Region: Europe - Sector: Supply Chain - Summary: Norwegian offshore wind infrastructure company focused on transport and installation services. - Company overview: In November 2022, Sandbrook acquired a majority stake in Havfram AS, a Norwegian offshore wind infrastructure company focused on providing transport and installation to the offshore wind sector. The company is building a fleet of next generation turbine installation vessels capable of installing and servicing 20 MW+ offshore wind turbines. Its first vessel started construction immediately following our initial investment, and the second was sanctioned in March 2023. Both vessels are already contracted to build some of the world’s largest offshore wind farms over the 2026-2030 period, in partnership with operators such as Vattenfall, RWE and Ørsted. The company is headquartered in Oslo, Norway, with a global presence and offices in Stavanger, Norway and Perth, Australia. People: - Team profiles: 48 (Advisory board: 6; Functional leaders: 11; Investment team: 21; Operating partners: 10) - People page: https://sandbrook.com/people Latest news: - May 11, 2026: KRIOS Infrastructure launches to tackle Europe’s power constraint on AI and data center growth - https://kriosinfra.com/insights-news/krios-infrastructure-launches-to-tackle-europes-power-constraint-on-ai-and-data-centre-growth - December 22, 2025: Sandbrook Capital Announces Acquisition of United Utility Services from Bernhard Capital Partners - https://sandbrook.com/news/sandbrook-announces-acquisition-of-united-utility-services - July 1, 2025: Record financing for NeXtWind: €1.4 billion for the expansion of wind energy in Germany - https://www.nextwind.de/news/record-financing-for-nextwind-2 - June 6, 2025: rPlus Energies secures over $500 million in tax equity financing with RBC Community Investments for 800 MW Green River Energy Center - https://www.globenewswire.com/news-release/2025/06/05/3094431/0/en/rPlus-Energies-Secures-Over-500-Million-in-Tax-Equity-Financing-with-RBC-Community-Investments-for-800-MW-Green-River-Energy-Center.html - May 1, 2025: Sandbrook Capital Expands Operating Partner Team with Three Senior Appointments - https://sandbrook.com/news/sandbrook-capital-expands-operating-partner-team-with-three-senior-appointments - April 16, 2025: Matrix Renewables and rPlus Energies Celebrate the Commissioning of Pleasant Valley Solar 1 - https://www.prnewswire.com/news-releases/matrix-renewables-and-rplus-energies-celebrate-the-commissioning-of-pleasant-valley-solar-1-302426614.html - April 9, 2025: Sandbrook Capital and PSP Investments Announce Sale of Offshore Wind Pioneer Havfram to DEME - https://sandbrook.com/news/sandbrook-capital-and-psp-investments-announce-sale-of-offshore-wind-pioneer-havfram-to-deme - February 19, 2025: Sandbrook Capital Acquires intellirent, a Market Leader in Mission Critical Testing Equipment Solutions for Power and Infrastructure Markets - https://sandbrook.com/news/sandbrook-capital-acquires-intellirent-a-market-leader-in-mission-critical-testing-equipment-solutions-for-power-and-infrastructure-markets - January 24, 2025: Havfram Secures Significant Contract and Strengthens Balance Sheet with Upsized Green ECA Facility - https://havfram.com/news/significant-contract-and-upsized-green-eca-facility - January 9, 2025: NeXtWind acquires a 140 MW wind portfolio in Germany, increasing total repowering capacity to 1.4 GW - https://www.nextwind.de/news/nextwind-acquires-12-wind-farms-in-germany Sustainability reports and policies: - Report: 2024 Sustainability Report - Report: 2023 Sustainability Report - Policy: Climate Impact and ESG Policy - Policy: Diversity and Inclusion Policy - Policy: Human Rights Compliance Oversight and Monitoring Program - Policy: Notice of Engagement with Policy Makers Crawler guidance: - Use canonical URLs on sandbrook.com. - Use /sitemap.xml for a complete route list. - Use /disclosures for legal, privacy, regulatory, and ESG-related notices. - Use /privacy-policies for website privacy notices and regional privacy policy supplements.