SOURCE ArcLight Capital Partners

Power Veteran Expands ArcLight's Capabilities to Capitalize on Digital Power Infrastructure

BOSTON, Oct. 16, 2025 /PRNewswire/ -- ArcLight Capital Partners ("ArcLight"), a leading infrastructure investor, today announced that Sara Graziano has joined ArcLight as a Partner, building upon its significant resources and capabilities of providing and investing in customized, large scale electric infrastructure solutions for utilities, hyperscalers, and data center developers. Graziano brings over 20 years of industry and investment experience to ArcLight across the power, battery storage, renewable, and energy environmental sectors.

Graziano was most recently Partner and Chief Investment Officer at SER Capital Partners, where she was responsible for investment origination and execution as well as portfolio management. Prior to that, she served as SVP of Corporate Development & Strategy at Vistra Corp. where she was responsible for strategic projects, mergers & acquisitions, project development, and market analytics for one of the largest public power generation companies in North America. Earlier in her career, Graziano was a Principal at ECP, where she was involved in all areas of the firm's investment activities.

"Sara brings a wealth of operating, technical, commercial, and investing experience to ArcLight," said Angelo Acconcia, President of ArcLight. "We have known Sara for a long time, regard her as one of the leading talents in the industry, and are excited to have her join our team."

"I am excited to join ArcLight amidst the most significant power market opportunity I have seen in my career," said Graziano. "Having previously been at investment firms and one of the leading independent power producers, I believe ArcLight approaches investing in infrastructure with the resources of a strategic, and the investment ability of one of the leading infrastructure firms, giving it a unique advantage in this market."

ArcLight has been investing and building electric infrastructure since 2001, and has owned, controlled or operated over ~70 GW of assets and 47,000 miles of electric and gas transmission infrastructure representing over $80 billion of enterprise value.  With its deep expertise and dedicated internal technical, commercial and development teams, ArcLight believes it is uniquely positioned to deliver customized, large-scale power infrastructure solutions to support AI and data center demand.

About ArcLight
ArcLight is a leading infrastructure investor which has been investing in critical electrification infrastructure since its founding in 2001. ArcLight has owned, controlled or operated over ~65 GW of assets and 47,000 miles of electric and gas transmission and storage infrastructure representing $80 billion of enterprise value. ArcLight has a long and proven history of value-added investing across its core investment sectors including power, hydro, solar, wind, battery storage, electric transmission and natural gas transmission and storage infrastructure to support the growing need for power, reliability, security, and sustainability. ArcLight's team employs an operationally intensive investment approach that benefits from its dedicated in-house strategic, technical, operational, and commercial specialists, as well as the firm's ~2,000-person asset management partner. For more information, please visit www.arclight.com. References to "ArcLight" herein refers to ArcLight Capital Partners, LLC and/or its managed investment vehicles, as the context requires.

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