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Last Energy
Energy · Austin, United States · Founded 2020
Small modular nuclear reactors with full lifecycle services MoreLess
Last Energy is a pioneering company in the field of small nuclear power plants, providing comprehensive services for the entire lifecycle of mini water-cooled reactors. The company focuses on markets that are committed to clean technology and have public support for nuclear power. These markets span across Europe, Africa, Southeast Asia, and Latin America.
Last Energy's primary clients are countries and industries looking to expand their nuclear power capabilities to meet sustainability goals. The company’s small nuclear reactors can produce both heat and electricity, making them versatile for various industrial applications. This includes not only generating clean electricity but also providing clean air, clean water, combined heat and power, and even facilitating the production of green fuels and carbon-negative materials.
The business model of Last Energy revolves around leveraging existing, proven nuclear technology that is already in use in hundreds of power plants worldwide. By focusing on standardization and simplifying systems, the company aims to make nuclear power scalable and rapidly deployable. This approach helps in reducing costs and speeding up the deployment process, making nuclear power more accessible and practical for a wider range of applications.
Last Energy makes money by offering a full suite of services that cover the entire development cycle of nuclear power plants. This includes everything from initial planning and design to construction, operation, and maintenance. By providing end-to-end solutions, the company ensures a seamless and efficient process for its clients, which in turn drives revenue.
In summary, Last Energy is at the forefront of small nuclear power plant development, serving global markets focused on clean technology. The company’s innovative approach and comprehensive service offerings make it a key player in the push towards sustainable and clean energy solutions.
Keywords: small nuclear reactors, clean technology, sustainability, global markets, industrial applications, scalability, rapid deployment, proven technology, end-to-end services, green fuels.
Company overview
Last Energy company information
The essential company record, classifications and operating signals in one place.
- Status
- Operational
- Founded
- 2020
- Headquarters
- Austin, United States
- Employees
- 68
- Open positions
- 12
- Dealroom signal
- 87.7
Valuation & funding
Last Energy funding history
Company financing events and reported valuations.
| Deal type | Date | Amount | Valuation | Investors | Source |
|---|---|---|---|---|---|
| SERIES COther financing | Dec 2025 | $100M | $400M | The Haskell Company · Ultranative · Woori Technology Investment · Galaxy Fund Management | ↗ |
| SERIES BOther financing | Aug 2024 | $40M | $160M | Autodesk Foundation · Gigafund | ↗ |
| SERIES AOther financing | Feb 2021 | $20M | $80M | Undisclosed | ↗ |
| SEEDOther financing | Mar 2020 | $4M | $16M | Undisclosed | ↗ |
Growth signals
Last Energy website traffic
Latest recorded traffic for Last Energy is 8.2K monthly website visits, down 36.9% over the last three months. Last Energy's team grew 13.3% over the past year.
Hiring
Open positions at Last Energy
Current openings linked to this company in Dealroom.
Comparisons
Last Energy compared with similar companies
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Talent graph
Last Energy's talent
Source: Dealroom Talent Intelligence.
Investors
9 investors on Last Energy's cap table
Sourced from Dealroom's funding and investor records.









Global footprint
Where Last Energy has talent and traffic
team presence
In the news
Latest news about Last Energy
Recent press, funding announcements, and product moves mentioning Last Energy — open to read from the original sources.
Market sentiment
What the market is saying about Last Energy
An AI-synthesized read of the highest-engagement posts about Last Energy on X over the past 7 days. We rank by likes & retweets, ignore corporate channels, and surface the themes that broke out from real people.
Reading the room on X — pulling top posts and synthesizing themes…
Source: X recent search ranked by engagement (likes + retweets) · Synthesis by Claude · Cached for 1 hour
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