Doral Renewables Secures $1.5 Billion of Debt and Tax Equity Financing for the Completion of Mammoth Solar

Doral Renewables LLC ("Doral") has successfully closed construction project financing for the Mammoth South, Mammoth Central I, and Mammoth Central II solar projects in Pulaski County, Indiana. The three projects, each with a generation capacity of 300 MWac, are part of the broader 1.3 GW Mammoth Solar facility. Mammoth Solar will generate enough energy to power approximately 275,000 households annually.

The Mammoth South, Central I, and Central II projects will all be ground-mounted single-axis PV systems utilizing approximately 20,000 tons of Indiana steel in aggregate and boosting Indiana's economy with tens of millions of dollars in economic value impacts. The projects will also utilize over 1 million US-made solar modules. Upon the completion of the three projects, Doral Renewables plans to expand its large-scale dual-use practices, known as agrivoltaics, inside the projects' area, allowing farmers to return to heritage farming activities such as livestock grazing and food production. Each of the three projects maintains long-term Power Purchase Agreements with leading utilities and is expected to reach commercial operations in the 4th quarter of 2026. Doral's existing and planned agrivoltaics efforts for Mammoth Solar were recognized as the "Dual-Use Plan of the Year" at last year's North American Agrivoltaics Awards.

KeyBanc Capital Markets, Inc., Banco Santander, S.A., and HSBC Bank USA, N.A acted as Coordinated Lead Arrangers for the $1.3 billion construction debt financing for the projects, which consisted of $412 million of construction-to-term loan facilities, $614 million of tax equity bridge loans, and a $259 million letter of credit facility. The closing was completed simultaneously with Doral's signing of an over $200 million tax equity commitment for the Mammoth South project from Truist Bank.

"We are thrilled to close these landmark financings in support of the construction of the remaining three phases of our Mammoth Solar project," said Evan Speece, Chief Financial Officer of Doral Renewables LLC. "Each of the three banks leading the debt financing is a repeat partner for Doral and we could not be happier to broaden our relationships with them. Notably, we are also proud to be extending our long-standing relationship with Truist by executing our first tax equity transaction together."

"We are proud to serve as coordinating lead arranger for Doral Renewables as they build out the remaining phases of the Mammoth Solar Complex," said Nadav Hazan, Vice President, KeyBanc Capital Markets, Utilities, Power & Renewable Energy Group. "Our longstanding relationship with Doral's management team has created a foundation of trust that enables transformative projects like this. We are excited to see this collaborative effort pay off, and we look forward to the impact Mammoth will have on Indiana'seconomy going forward."

"We are proud to have supported Doral throughout the financing of these milestone projects, from development through to construction. We value our strong relationship and congratulate Doral and their partners on this important achievement," said Nuno Andrade, Head of Structured Finance & Advisory US, Santander Corporate & Investment Banking.

"We are extremely proud to support Doral in the close of the construction financing for their Mammoth Solar project," said Paul Snow, Head of Renewables, Americas at HSBC. "Building on our role in the initial bridge construction financing, this milestone reflects our ongoing commitment to Doral's vision for large-scale renewable energy in the United States. As we deepen our partnership with Doral, we remain focused on financing leading renewable energy projects."

"Truist is excited to close on this meaningful and important tax equity commitment with Doral for their impressive Mammoth South utility solar project," said Chris Nygren, Head of Tax Equity for Truist Bank. "Broadening our relationship with Doral through this transaction is a win for both parties, and we look forward to partnering with them again in the future to help deliver renewable energy to local communities."

Marathon Capital Markets served as the tax equity advisor and McDermott Will & Emery was legal counsel to Doral with respect to both the construction debt and the tax equity. CCA Group served as the tax equity advisor and Milbank LLP provided tax equity legal counsel to Truist. Norton Rose Fulbright provided legal counsel to the lenders.

Doral Renewables | doral-llc.com