---
schema_version: "secwatch.filing_event.v1"
accession: "0001828536-26-000111"
form_type: "8-K"
ticker: "NRGV"
cik: "0001828536"
company_name: "Energy Vault Holdings, Inc."
filed_at: "2026-09-22T20:30:48+00:00"
generated_at: "2026-09-22T20:32:16.805809+00:00"
event_type: "debt"
sentiment: "neutral"
materiality_score: 0.55
calibrated_materiality_score: 0.55
confidence: "high"
source: SEC EDGAR
---

# Energy Vault subsidiary secures $25M senior secured facility for battery storage projects

## Summary
- Development Vault LLC, an indirect Energy Vault subsidiary, amended and restated financing agreement with S2G Builders Special Opportunities Fund I, LP.
- Facility: senior secured delayed draw term loan, commitments up to $25,000,000; $18M outstanding as of September 18, 2026.
- Interest: 10.0% cash rate + 7.0% deferred rate (paid in kind); matures April 16, 2030.
- Proceeds fund battery storage project acquisitions, sponsor equity, transaction costs, and project expenses including site control and contractor fees.
- Obligations guaranteed by subsidiary guarantors and secured by first-priority liens on substantially all borrower and guarantor assets.

## SEC filing metadata
- accession: 0001828536-26-000111
- form_type: 8-K
- ticker: NRGV
- cik: 0001828536
- company_name: Energy Vault Holdings, Inc.
- filed_at: 2026-09-22T20:30:48+00:00
- event_type: debt
- sentiment: neutral
- materiality_score: 0.55
- calibrated_materiality_score: 0.55
- confidence: high
- sec_items: 2.03, 9.01
- EDGAR index: https://www.sec.gov/Archives/edgar/data/1828536/000182853626000111/0001828536-26-000111-index.htm
- EDGAR primary document: https://www.sec.gov/Archives/edgar/data/1828536/000182853626000111/nrgv-20260918.htm

## Machine-readable alternates
- HTML: https://secwatch.observer/filing/0001828536-26-000111
- JSON: https://secwatch.observer/filing/0001828536-26-000111.json
- Plain text: https://secwatch.observer/filing/0001828536-26-000111.txt

This AI-assisted summary is a reading aid. Review the linked SEC EDGAR filing before relying on any specific claim.