Overview
News
Salaries
Products
People
Growth
Offices
Financials

Funding and backers

Team
51-200
employees, estimated range
Backers
2
Coral Capital, Globis Capital Partners
Momentum
15/100
in the news
Last sign of life
this month
a posting or a news item
The story so fareach stage dated by its source: the company's releases, the press, registers, filings
Sep 21 New executive ZettaJoule Appoints Energy Finance Executive Kian Granmayeh as Chief Financial Officer · businesswire.com 2023 Founded
Backed byfrom the funds' portfolios and accelerator catalogs
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Overview

Advanced small modular reactors built on proven HTGR technology, delivering up to 950°C clean heat and electricity for industrial applications.

News

News YahooFinance 11 days ago
ZettaJoule Appoints Energy Finance Executive Kian Granmayeh as Chief Financial Officer
HOUSTON, September 21, 2026--ZettaJoule Inc., an advanced nuclear energy company, has appointed energy finance executive Kian Granmayeh as its Chief Financial Officer to support the next phase of the company's growth.
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News markets.ft.com 11 days ago
ZettaJoule Appoints Energy Finance Executive Kian Granmayeh as Chief Financial Officer - Company Announcement - FT.com
The latest company information, including net asset values, performance, holding & sectors weighting, changes in voting rights, and directors and dealings.
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News POWER Magazine 5 months ago
ZettaJoule Pursues a Second Act for Japan's High-Temperature Nuclear Reactor
A Houston startup aims to bring Japan's high-temperature reactor legacy to Texas, betting a 950C HTGR can open new markets for industrial heat, hydrogen, and advanced nuclear deployment.
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News the Guardian 7 months ago
What are zettajoules - and what do they tell us about Earth's energy imbalance?
When James Prescott Joule lent his name to a unit of energy, he could not have foreseen today's alarming calculations
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News YahooFinance 10 months ago
ZettaJoule Receives Support from Aramco Services for Advanced Nuclear Technology Project
HOUSTON, December 19, 2025--ZettaJoule, Inc., an advanced small modular reactor company, today announced it has received formal support for its ZJ high-temperature gas-cooled reactor (HTGR) project from Aramco Services Company, an affiliate of Motiva Ente
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