---
schema_version: "secwatch.filing_event.v1"
accession: "0001828536-26-000003"
form_type: "8-K"
ticker: "NRGV"
cik: "0001828536"
company_name: "Energy Vault Holdings, Inc."
filed_at: "2026-01-06T23:59:59+00:00"
generated_at: "2026-05-16T11:33:21.921575+00:00"
event_type: "other_material"
sentiment: "positive"
materiality_score: 0.75
calibrated_materiality_score: 0.75
confidence: "high"
source: SEC EDGAR
---

# Energy Vault begins building 150 MW Texas BESS; Q4 cash up 65% to $100M+

## Summary
- SOSA Energy Center (150 MW/300 MWh) construction started in ERCOT; commercial operation expected Q2 2027.
- Expected total revenue over $350M over technical life (~$17-20M annual high-margin recurring).
- Cash and liquidity increased ~65% in Q4 2025 to over $100M, above guidance high end.
- Asset Vault portfolio now over 340 MW under operation/construction; three more projects in pipeline.
- Project acquired from Shell subsidiary Savion; backed by $300M OIC preferred equity.

## SEC filing metadata
- accession: 0001828536-26-000003
- form_type: 8-K
- ticker: NRGV
- cik: 0001828536
- company_name: Energy Vault Holdings, Inc.
- filed_at: 2026-01-06T23:59:59+00:00
- event_type: other_material
- sentiment: positive
- materiality_score: 0.75
- calibrated_materiality_score: 0.75
- confidence: high
- sec_items: 2.02, 7.01, 9.01
- EDGAR index: https://www.sec.gov/Archives/edgar/data/1828536/000182853626000003/0001828536-26-000003-index.htm
- EDGAR primary document: https://www.sec.gov/Archives/edgar/data/1828536/000182853626000003/nrgv-20260105.htm

## Machine-readable alternates
- HTML: https://secwatch.observer/filing/0001828536-26-000003
- JSON: https://secwatch.observer/filing/0001828536-26-000003.json
- Plain text: https://secwatch.observer/filing/0001828536-26-000003.txt

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