Delafield and Rosemawr announce Grid Interconnection Financing Partnership for Utility Scale Energy Storage Portfolio

NEW YORK, NY, UNITED STATES, September 1, 2026 /EINPresswire.com/ — Delafield Energy, a sustainable energy development company, and Rosemawr Sustainable Infrastructure Management, an investment firm focused on sustainable infrastructure, have announced a financing partnership focused on funding grid interconnections that will aid in the deployment of a growing portfolio of mid-Atlantic utility-scale battery energy storage projects.

“We are proud to finalize this partnership with Rosemawr, whose team demonstrated outstanding adaptability throughout the process,” said Matt Delafield, Co-Founder and CEO of Delafield Energy. “This financing facility enables us to expand our development pipeline and advance high-quality energy projects tailored to support the region’s rapidly growing energy and capacity needs. We look forward to expanding this partnership as our pipeline continues to grow.”

“This investment exemplifies our continued focus on financing power development and related infrastructure with outstanding teams like Delafield Energy,” said Rich Weihe, Managing Director at Rosemawr Sustainable Infrastructure Management. “We are excited to be working with the Delafield team to provide flexible capital that can facilitate the expansion of its development portfolio.”

Range Renewables served as financial advisor to Delafield Energy on the transaction. “Delafield’s development team has built a portfolio that is well-positioned for success in this market, and Rosemawr was a fantastic partner given their focus on infrastructure-backed financing, their streamlined approach, and ability to move quickly,” said Noah Kirsch, Co-Founder of Range Renewables. “We’re grateful to have the opportunity to help bring this partnership together and look forward to supporting Delafield as their portfolio continues to scale.”

About Delafield Energy
Delafield Energy is a North Carolina-based energy development company, delivering efficient, reliable solar and energy storage solutions across the Carolinas and the Mid-Atlantic. Having successfully developed thirty energy projects with a pipeline of over 2,750 MW, the firm brings high-quality energy projects to life, helping power a sustainable future by investing in communities, reducing pollution, and providing resilient energy to the electrical grid. Visit https://delafieldenergy.com for more information.

About Rosemawr
Rosemawr Sustainable Infrastructure Management is the energy sustainable energy infrastructure arm of Rosemawr Management, a credit-focused investment management firm focused on the U.S. municipal, sustainable energy infrastructure, and charter school sectors. The Rosemawr sustainable infrastructure team has invested in over 300 energy projects across fifteen states, with a current portfolio that includes investments in solar, energy storage, natural gas, and energy efficiency assets. Visit http://www.rosemawr.com for more information or contact @ sustainable@rosemawr.com.

About Range Renewables
Range Renewables is a financial advisory firm focused exclusively on the renewable energy sector, providing transaction advisory, deal structuring, and capital markets support to developers and asset owners across solar, battery energy storage, and community solar projects. Co-founded by Noah Kirsch and Sam Walker, the firm brings deep domain expertise in renewable energy project finance and tax equity structuring, and works closely with developers, lenders, and investors to structure and close complex transactions across the project lifecycle.

sustainable@rosemawr.com
Rosemawr Management
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