ArcLight Capital Partners has closed its latest infrastructure vehicle, ArcLight Infrastructure Partners Fund VIII, at USD 3.9 billion, surpassing its USD 3 billion target, with capital set to flow into power generation, renewables, energy storage, midstream, and digital infrastructure across North America. Key LPs include Canada Pension Plan Investment Board (USD 300 million) and Teacher Retirement System of Texas (USD 150 million), reinforcing continued institutional appetite for energy transition infrastructure; the firm has controlled over 70 GW of assets and 48,000 miles of transmission and storage since inception and has raised more than USD 6 billion in the past two years to scale its platform.

Energy Capital Partners is re-acquiring EnergySolutions from TriArtisan Capital Advisors in a transaction valuing the business at roughly USD 2 billion, marking a return to ownership four years after its exit. The deal reflects growing investor conviction in nuclear-linked infrastructure and services as power demand rises from AI, data centers, and electrification, with a focus on waste management, decommissioning, and lifecycle services rather than new-build reactors.

A joint venture between Shell and Nickel Asia has secured PHP 9.36 billion (USD 156 million) in project financing for the 240 MWp San Isidro solar project in the Philippines. The project will be developed in two phases and is expected to power around 140,000 homes while avoiding 91,000 tonnes of C02 annually. Phase 1 is backed by a 15 year power supply agreement with Shell Energy Philippines, providing long term revenue stability as the JV targets 1 GW of capacity by 2028.

Blackstone is investing €250 million (USD 289 million) into Bulgaria-based Sunotec through its Tactical Opportunities funds, targeting growth across Germany, the UK, Scandinavia, and Southeast Europe while expanding into grid infrastructure. Sunotec has delivered over 15 GW of solar and 5 GWh of storage across 680+ projects, positioning the deal as a scale play on Europe’s buildout of utility-scale renewables and integrated energy systems.

Valar Atomics has raised $450 million (including $340 million equity and $110 million debt) at a $2 billion valuation, backed by investors including Palmer Luckey and Shyam Sankar. The company is developing clusters of high-temperature gas-cooled reactors (HTGRs) targeting AI data centres and industrial users needing firm, carbon-free baseload power, positioning itself against players like Oklo and X-energy as demand from AI and electrification reshapes power markets.

Plume has raised €3.3 million in a round led by AENU with backing from Y Combinator and others, building an AI platform that aggregates 150+ geospatial and regulatory datasets to streamline site selection, permitting, and grid connection for renewable projects. The company claims its tools can deliver site analysis up to 20× faster and 3× more accurately, targeting one of the biggest bottlenecks in energy deployment: early-stage development timelines.

Fervo Energy has signed a three-year agreement with Turboden for up to 1.75 GW of organic Rankine cycle turbine capacity, securing critical equipment for its expanding geothermal pipeline across the US. The deal underpins projects including the 500 MW Cape Station in Utah and signals a push to avoid supply chain bottlenecks as Fervo targets multi-gigawatt deployment to serve utilities and data centres, positioning geothermal as a scalable source of firm, carbon-free power.

Splice N Connect has closed a $1.75 million pre-seed round backed by Avatar Leadership Fund and other investors, developing a sensing device and software platform that monitors cable connections in real time to predict failures and reduce maintenance costs. The Alberta-based startup is targeting utilities, renewables, and industrial users, positioning its technology as a foundational layer for improving grid reliability as electrification and power demand accelerate.