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NPWR

NET Power Inc.

Industrials · $132M market cap

Verdict

We can't put a fair value on NPWR right now. It has lost money in each of its last 3 years, and our valuation needs recent profits to project from.

Business quality

0 of 5 clear the 10% bar. What are the Big Five?

Earnings per share growth—?
Equity per share growth-50.2% a year✗
Sales growth-3.2% a year✗
Free cash flow growth—?
Return on invested capital-22.3%✗

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Superinvestors

1 of the investors we track holds NPWR. Who we track

David Einhorn

Greenlight Capital · as of Q4 2023

$30.2M

2,992,110 shares

Insider activity

Since Sep 8, 2026: no open-market purchases and 4 sales worth $939K. Why purchases matter

Sales

NPEH, LLC

Owns 10%+ · 2026-09-09

Sold

$276K

8 Rivers Capital, LLC

Owns 10%+ · 2026-09-09

Sold

$276K

NPEH, LLC

Owns 10%+ · 2026-09-08

Sold

$194K

8 Rivers Capital, LLC

Owns 10%+ · 2026-09-08

Sold

$194K

About NET Power Inc.

NET Power Inc. functions as a pioneering firm in the realm of sustainable energy solutions. Its core business involves the conceptualization, refinement, and commercialization (via licensing) of innovative technologies designed for generating eco-friendly power. This enterprise, which commenced operations in 2010, maintains its principal offices in Durham, North Carolina.

Industrial - Machinery

Fair value and Payback Price are estimates from the company's reported financials, not investment advice. Prices as of the close of Oct 3, 2026. How the Payback Price works