ING supports BIG Fiber in upsizing Green Loan to $140 Million to Support Dark Fiber Expansion
10 June 2025
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Bandwidth IG (BIG Fiber), a leading provider of dark fiber infrastructure, has increased its green loan facility to $140 million from $90 million. The expanded financing provided by ING Capital LLC, with continued commitments from BankUnited, N.A. and Woodforest National Bank, and a new commitment from Third Coast Bank, will further support BIG Fiber’s mission to develop high-capacity fiber networks that power the digital economy in an increasingly AI-focused world with minimal environmental impact.
The original green loan, announced in October 2023, was the first of its kind in the dark fiber sector. It aligns with the Loan Market Association’s Green Loan Principles, ensuring that BIG Fiber’s network expansion meets certain environmental sustainability standards. The upsizing reflects strong investor confidence in the company’s ability to drive responsible infrastructure development while supporting the surging demand for high-bandwidth connectivity in major metro areas.
“BIG Fiber is committed to providing best-in-class dark fiber solutions that is foundational to all technological innovation,” said Bruce Garrison, CEO of BIG Fiber. “The increased funding allows us to accelerate the deployment of our purpose-built fiber infrastructure ensuring that our customers have access to high-performing dark fiber.”
BIG Fiber’s networks are designed to support the growth of cloud computing, artificial intelligence, and next-generation digital services by delivering dedicated fiber pathways that optimize performance and reliability. The green loan financing underscores the company’s commitment to sustainable business practices, including reducing energy consumption and minimizing the environmental impact of fiber deployments.
By expanding its green loan to $140 million, BIG Fiber strengthens its position as the premier fiber infrastructure provider, reinforcing its leadership in building the future of connectivity with a greener approach.
For more information, visit Opens in a new tabwww.bigfiber.com.