---
schema_version: "secwatch.filing_event.v1"
accession: "0001104659-26-118155"
form_type: "8-K"
ticker: "NPWR"
cik: "0001845437"
company_name: "NET Power Inc."
filed_at: "2026-10-22T20:10:24+00:00"
generated_at: "2026-10-22T20:11:06.142138+00:00"
event_type: "other_material"
sentiment: "neutral"
materiality_score: 0.5
calibrated_materiality_score: 0.5
confidence: "high"
source: SEC EDGAR
---

# NET Power extends Saulsbury EPC notice-to-proceed deadline to March 31, 2027 from October 15

## Summary
- Agreement to Extend FNTP Date, effective Oct 15, 2026, pushes the full notice-to-proceed and Mobilization Payment deadline to March 31, 2027.
- Extension defers the $3.5M termination fee to Saulsbury only if the Fourth Amendment and a limited notice to proceed (LNTP) are executed and LNTP payments made by Nov 15, 2026.
- If those are not executed or paid by Nov 15, 2026, Net Power must pay Saulsbury $3.5M within 10 days of written demand and invoice.
- Net Power, LLC took over EMPower USA's Owner position under the Dec 15, 2025 Saulsbury EPC contract via an Aug 27, 2026 consent to assignment.
- Company cites no committed equipment or project-level financing, no final investment decision; EMPower consideration is nonrefundable and Wärtsilä equipment spend may not be recovered.

## SEC filing metadata
- accession: 0001104659-26-118155
- form_type: 8-K
- ticker: NPWR
- cik: 0001845437
- company_name: NET Power Inc.
- filed_at: 2026-10-22T20:10:24+00:00
- event_type: other_material
- sentiment: neutral
- materiality_score: 0.5
- calibrated_materiality_score: 0.5
- confidence: high
- sec_items: 1.01, 9.01
- EDGAR index: https://www.sec.gov/Archives/edgar/data/1845437/000110465926118155/0001104659-26-118155-index.htm
- EDGAR primary document: https://www.sec.gov/Archives/edgar/data/1845437/000110465926118155/tm2628142d1_8k.htm

## Machine-readable alternates
- HTML: https://secwatch.observer/filing/0001104659-26-118155
- JSON: https://secwatch.observer/filing/0001104659-26-118155.json
- Plain text: https://secwatch.observer/filing/0001104659-26-118155.txt

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