---
schema_version: "secwatch.filing_event.v1"
accession: "0001845437-25-000009"
form_type: "8-K"
ticker: "NPWR"
cik: "0001845437"
company_name: "NET Power Inc."
filed_at: "2025-03-10T23:59:59+00:00"
generated_at: "2026-05-25T02:05:32.930392+00:00"
event_type: "other_material"
sentiment: "negative"
materiality_score: 0.85
calibrated_materiality_score: 0.85
confidence: "high"
source: SEC EDGAR
---

# Net Power pauses first utility-scale project after FEED costs hit $1.7-2.0B, shifts to optimization

## Summary
- FEED for Project Permian completed; total installed cost estimated $1.7B-$2.0B, above viable threshold.
- Long-lead equipment releases paused; value engineering underway; project now expected no earlier than 2029.
- Launched modular multi-unit feasibility study for up to 1 GW plants to reduce future costs.
- La Porte facility achieved 140 fired hours in Phase 1 testing with Baker Hughes; on track for 2025 completion.
- Cash and investments at $533M (down from $580M Q3) used for La Porte upgrades and SN1 development.

## SEC filing metadata
- accession: 0001845437-25-000009
- form_type: 8-K
- ticker: NPWR
- cik: 0001845437
- company_name: NET Power Inc.
- filed_at: 2025-03-10T23:59:59+00:00
- event_type: other_material
- sentiment: negative
- materiality_score: 0.85
- calibrated_materiality_score: 0.85
- confidence: high
- sec_items: 2.02, 9.01
- EDGAR index: https://www.sec.gov/Archives/edgar/data/1845437/000184543725000009/0001845437-25-000009-index.htm
- EDGAR primary document: https://www.sec.gov/Archives/edgar/data/1845437/000184543725000009/npwr-20250310.htm

## Machine-readable alternates
- HTML: https://secwatch.observer/filing/0001845437-25-000009
- JSON: https://secwatch.observer/filing/0001845437-25-000009.json
- Plain text: https://secwatch.observer/filing/0001845437-25-000009.txt

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