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FinancingClosedMay 15, 2025

Mammoth Solar (Mammoth South + Mammoth Central I + Mammoth Central II) — 900 MWac (3× 300 MWac) of 1.3 GW Mammoth Solar complex, Pulaski County, Indiana (MISO)

$1.5B debt + tax equity financing for completion of three 300 MWac phases of Mammoth Solar — among the largest single-state solar developments in the US. Total Mammoth Solar complex is 1.3 GW. Long-term PPA with AEP. MUFG, Santander, HSBC, Ally, IDB participated in earlier Mammoth tranches.

$1.50B

Deal Value

900MW

Capacity

Solar

Technology

IN

Location

Deal Details

Deal Type
Project Finance
Seller / Sponsor
Doral Renewables
Buyer / Financier
KeyBanc Capital Markets, Santander, HSBC (debt); Truist (tax equity)
Deal Value
$1.5B
Stage
Construction
ISO/RTO
MISO

Service Providers

Advisory & Legal

Sponsor Counsel
McDermott Will & Emery
Lender Counsel
Norton Rose Fulbright
taxCounsel
Milbank

Finance Counterparties

Lenders & Capital Providers

Coord. Lead Arranger
KeyBanc Capital Markets, Santander, HSBC
Lead Arranger
KeyBanc Capital Markets, Santander, HSBC
taxEquityProvider
Truist

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