---
schema_version: "secwatch.filing_event.v1"
accession: "0001828536-25-000073"
form_type: "8-K"
ticker: "NRGV"
cik: "0001828536"
company_name: "Energy Vault Holdings, Inc."
filed_at: "2025-06-05T23:59:59+00:00"
generated_at: "2026-05-19T22:36:59.964481+00:00"
event_type: "other_material"
sentiment: "positive"
materiality_score: 0.65
calibrated_materiality_score: 0.65
confidence: "high"
source: SEC EDGAR
---

# Energy Vault signs additional 100 MW/200 MWh BESS agreement with Jupiter Power in ERCOT

## Summary
- Agreement for an additional 100 MW/200 MWh battery energy storage system at a Jupiter site in ERCOT.
- Commercial operations expected to commence by end of summer 2025.
- Follows completion of initial 100 MW/200 MWh BESS in July 2024.
- Energy Vault's B-VAULT portfolio now exceeds 2 GWh deployed or in development.

## SEC filing metadata
- accession: 0001828536-25-000073
- form_type: 8-K
- ticker: NRGV
- cik: 0001828536
- company_name: Energy Vault Holdings, Inc.
- filed_at: 2025-06-05T23:59:59+00:00
- event_type: other_material
- sentiment: positive
- materiality_score: 0.65
- calibrated_materiality_score: 0.65
- confidence: high
- sec_items: 8.01, 9.01
- EDGAR index: https://www.sec.gov/Archives/edgar/data/1828536/000182853625000073/0001828536-25-000073-index.htm
- EDGAR primary document: https://www.sec.gov/Archives/edgar/data/1828536/000182853625000073/nrgv-20250530.htm

## Machine-readable alternates
- HTML: https://secwatch.observer/filing/0001828536-25-000073
- JSON: https://secwatch.observer/filing/0001828536-25-000073.json
- Plain text: https://secwatch.observer/filing/0001828536-25-000073.txt

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