Sara Graziano

Sara Graziano

Partner

Ms. Graziano joined ArcLight in 2025 and has over two decades of energy and power experience. Prior to joining ArcLight, Ms. Graziano was Partner and Chief Investment Officer of SER Capital Partners, a middle market sustainable asset manager, where she led investments in the energy storage, renewable, and environmental sectors. Previously, she was SVP, Corporate Development & Strategy at Vistra Corp, where she led strategy, mergers and acquisitions, project development, and market analytics. Prior to joining Vistra, she was a principal at Energy Capital Partners. Ms. Graziano holds an MBA from Harvard Business School and a BA in Economics from Wellesley College.

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Investment Type: Unrealized
Sector: Transformative
Date of Investment: 2022
Date of Realization: –

Elevate was formed by ArcLight to develop and install utility scale, battery energy storage resources initially co-located with ArcLight’s existing power infrastructure. Elevate is led by a team of experienced industry professionals who have previously worked together on several large-scale development projects co-located with existing thermal generation.

www.elevaterenewablesenergy.com

Investment Type: Unrealized
Sector: Renewable
Date of Investment: 2023
Date of Realization: –

REC Solar is a leading developer, owner, and operator of distributed solar, batteries, and fuel cell assets in the United States. REC develops behind-the-meter projects for commercial and industrial customers, municipalities, universities, schools, and hospitals as well as front-of-the-meter projects contracted with utilities participating in community solar programs.

www.recsolar.com

Investment Type: Unrealized
Sector: Renewable
Date of Investment: 2021
Date of Realization: –

Infinigen was formed in 2021 to develop and operate renewable assets in North America, Central America, and the Caribbean, backed by a capital commitment. Concurrently with the initial commitment, Infinigen executed the acquisition of a portfolio of operating and development solar assets in Puerto Rico.

www.infinigenrenewables.com

Investment Type: Unrealized
Sector: Strategic Gas
Date of Investment: 2022
Date of Realization: –

GCX is a premier, natural gas pipeline that is underpinned by a diverse array of shippers under long-term, committed contracts. GCX is operated by Kinder Morgan Inc. and provides critical residue gas takeaway service from the Permian Basin to key US Gulf Coast end-markets, including key emerging demand regions such as the growing liquefied natural gas (“LNG”) export market in South Texas.

Gulf Coast Express Pipeline, L.L.C.

Investment Type: Realized
Sector: Renewable
Date of Investment: 2016
Date of Realization: 2023

A conventional hydroelectric generation portfolio in New England totaling 589 MWs of capacity. The facilities are located on the Connecticut and Deerfield Rivers and operated from a control center in Hanover, New Hampshire.

www.greatriverhydro.com

Investment Type: Realized
Sector: Power
Date of Investment: 2020
Date of Realization: 2024

Griffith Energy consists of nine modern and highly efficient natural gas-fired power generation facilities that provide critical capacity, energy and ancillary services resources to New Jersey and Maryland in close proximity to large, densely-populated load centers. The portfolio represents a highly competitive fleet and one of the nation’s largest natural gas-fired power portfolios. The efficient, fast-ramping output provided by the Alpha Generation portfolio will allow the integration of intermittent renewable resources in the Maryland and New Jersey electricity markets over the coming decades. Importantly, the portfolio is well-positioned to support the energy transition via battery storage projects and by providing critical interconnection sites for offshore wind projects under development.