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Wire · operational-macro

ING Capital, KeyBanc, Zions & GridStor Close $220MM Debt Financing Agreement

22 September 2026 · By · Wire by Fusion42

Published

22 September 2026

Topic

operational-macro

◆ Sectors

Climate Tech

◆ Geography

United States

◆ Source

Read at abfjournal.com →

◆ Verified

Fusion42 · 22 September 2026 · Fusion42 review

GridStor secured $220 million in tax equity bridge, construction, and term debt financing from ING Capital, KeyBank, and Zions Capital Markets to complete a 100 MW / 400 MWh battery energy storage facility in Arizona, under a 20-year tolling agreement with Arizona Public Service.

This Wire brief sits within Fusion42's coverage of Climate Tech.

◆ ◆ The Wire takeaway

Energy storage finance just unlocked access to capital at scale in Arizona. If you work on battery or grid projects, this deal shows financing is available to launch large storage with utility contracts.

◆ Coverage

1 source · 22 Sep 2026

◆ Related on Wire

◆ Topics

Climate Techbattery-storageenergy-financerenewable-energygrid-reliabilityinfrastructure-investment