Entra1

What Entra1 does

ENTRA1 Energy is a Houston-based nuclear infrastructure startup founded in 2023 that serves as the exclusive global commercialization partner for NuScale Power's small modular reactor (SMR) technology — the only SMR design with U.S. Nuclear Regulatory Commission approval (50 MWe and 77 MWe modules). The company pursues large-scale SMR deployment programs on behalf of utility and government off-takers, with its flagship mandate being a September 2025 agreement with the Tennessee Valley Authority to deploy up to 6 GW of capacity across TVA's seven-state service region, described as the largest SMR deployment program in U.S. history. Internationally, ENTRA1 is positioned on the RoPower Nuclear project in Romania — a Nuclearelectrica/Nova Power joint venture deploying six NuScale modules (462–463 MWe) at the decommissioned Doicești coal plant, with first commercial operation targeted for 2033.

The company's business model is structured as licensing and milestone-based commercialization rather than product sales or recurring revenue. Under its NuScale partnership, ENTRA1 receives milestone payments tied to deployment progress, including a $495 million payment for the TVA program and potential total payments of up to $3 billion over 15 years. ENTRA1 has been named, alongside NuScale, as the sole group for AI power development under a U.S.-Japan framework that could channel approximately $25 billion in Japanese investment into the company to advance nuclear power for AI and data center applications. Customer segments are concentrated in government-affiliated utilities (TVA), international nuclear operators (Nuclearelectrica/RoPower), and — via the Japan framework — AI/data center power buyers. Despite a contracted pipeline of national-scale magnitude, ENTRA1 operates with fewer than 5 employees from a WeWork office in Houston and has drawn scrutiny over the gap between its small operational footprint and the scale of partnership payments it has received.

Name

Entra1

Legal name

ENTRA1 Energy

Website

https://entra1.com

Company type

Private

Founded year

2023

Operating status

Operating

Headcount range

1–10 employees

Short description

ENTRA1 Energy is a Houston-based nuclear startup that serves as the exclusive global commercialization partner for NuScale Power's NRC-approved small modular reactor technology, pursuing multi-gigawatt SMR deployments with utilities like the Tennessee Valley Authority and international partners like Romania's RoPower Nuclear.

Ownership category

akta.pro rank

Product category

Nuclear Energy Infrastructure Services

NAICS

Nuclear Electric Power Generation (221113)

SIC

Electric & Other Services Combined (4931)

akta.pro primary industry

Small Modular Reactor (SMR) Power Generation (EUACADAF)

akta.pro secondary industries

Small Modular Reactor (SMR) Platforms & Balance-of-Plant Integration (EUAKADAA), Nuclear Plant EPC & Construction (EUAEAAAC)

Keywords

• Small modular reactors
• Nuclear energy deployment
• SMR commercialization
• Baseload power generation
• Nuclear project development

Headquarters

HQ city

Houston

HQ country

United States

HQ region

North America

Offices1 record

Markets served

GTM type

B2B

Offering type

Services

Cost components

Personnel, Operations, Technology or R&D, Marketing or Sales

Revenue model

1. SMR Commercialization Services: ENTRA1 Energy acts as the exclusive global commercialization partner for NuScale Power's SMR technology. The company receives milestone payments for advancing nuclear deployment projects, including a $495 million milestone payment from NuScale for the TVA agreement. Potential total payments could reach $3 billion or more under the TVA agreement over 15 years.

Go-to-market motion1 record

Distribution channels1 record

Marketing channels2 records

Core offering

ENTRA1 Energy acts as the exclusive global commercialization partner for NuScale Power's NRC-approved Small Modular Reactor (SMR) technology. The company develops and advances large-scale SMR deployment projects with utilities and government entities, including a landmark agreement with the Tennessee Valley Authority for up to 6 GW of nuclear capacity across TVA's seven-state service region and the RoPower Nuclear project in Romania.

Differentiator

Problem solved

Functional benefit

Products and services

• TVA SMR Deployment Program Large-scale deployment of up to 6 gigawatts of NuScale SMR nuclear capacity for the Tennessee Valley Authority across its seven-state service region, representing the largest SMR deployment program in U.S. history. Aimed at providing carbon-free baseload power for regional utility customers.
• RoPower Nuclear SMR Project (Romania) Deployment of six NuScale SMR modules (462-463 MWe) at the decommissioned Doicești coal plant site in Romania, supporting coal-to-nuclear conversion and grid decarbonization. Joint venture between Nuclearelectrica and Nova Power with first commercial operation targeted for 2033.
• SMR Commercialization Services Exclusive global commercialization services for NuScale Power's NRC-approved SMR technology, encompassing project development, stakeholder engagement, and advancement of nuclear deployment projects. ENTRA1 receives milestone payments from NuScale, including a $495 million payment tied to the TVA agreement.

Quantifiable outcome

• Up to 6 GW of SMR capacity deployment with TVA across seven-state service region
• +1 more outcomes

Named customers2 records

Segments3 records

Ideal customer profiles3 records

Technology focussed Yes

API detail

Has API

No

API docs

API detail

Core technology

AI maturity

App detail

Partnerships

Three partnerships are on record, tiered core and flagship.

• NuScale PowercoreStrategic or Co-development Partner · 1 September 2025ENTRA1 Energy is the exclusive global commercialization partner for NuScale Power's NRC-approved SMR technology. This partnership involves milestone payments including $495 million paid to ENTRA1 for the TVA agreement, with potential total payments reaching $3 billion over 15 years. ENTRA1 leads project development while NuScale provides the SMR technology.
• Tennessee Valley Authority (TVA)flagshipStrategic or Co-development Partner · 1 September 2025ENTRA1 Energy signed a landmark agreement with TVA in September 2025 to deploy up to 6 gigawatts of NuScale SMR capacity across TVA's seven-state service region—the largest SMR deployment program in U.S. history. This nonbinding agreement targets the largest nuclear expansion in U.S. history, with a multibillion-dollar term sheet signed by a major financial institution.
• RoPower Nuclear (Romania)coreStrategic or Co-development Partner · 1 February 2025ENTRA1 Energy supports the RoPower Nuclear S.A. project in Romania, a joint venture between Nuclearelectrica and Nova Power, for deployment of six NuScale SMR modules (462-463 MWe) at the decommissioned Doicești coal plant. SN Nuclearelectrica shareholders approved the final investment decision in February 2026, targeting first commercial operation in 2033.

Scale indicators4 records

Recent moves5 records

Expansion highlights4 records

Direct peers

• NuScale Power: The SMR technology developer that is ENTRA1's exclusive commercialization partner. NuScale holds the only NRC-approved SMR design and pays ENTRA1 milestone fees on deployments; the two companies are economically intertwined across every project in ENTRA1's pipeline.
• TerraPower: Bill Gates-backed advanced nuclear developer pursuing Natrium sodium-cooled fast reactor commercialization. Competes with ENTRA1/NuScale for the same utility and government utility customers seeking advanced nuclear deployment at scale.
• X-energy: Developer of the Xe-100 high-temperature gas-cooled SMR pursuing NRC licensing and commercial deployment. A direct competitor to NuScale's SMR with Dow Chemical and other industrial off-taker agreements.
• Holtec International: Developing the SMR-160 and SMR-300 small modular reactor designs targeting similar utility and industrial customers as ENTRA1. Competing for the same NRC certification pathway and U.S. utility deployment contracts.
• Rolls-Royce SMR: UK-based SMR developer with its 470 MWe design progressing through UK generic design assessment. Targets European and international utility customers in similar market segments to ENTRA1's international pipeline.

Emerging players

• Last Energy: Early-stage SMR startup pursuing small 20 MWe microreactor designs targeting private and industrial customers. Less mature than ENTRA1's pipeline but competes for the same conceptual SMR deployment narrative.
• Kairos Power: Advanced reactor developer pursuing fluoride salt-cooled high-temperature reactor designs with active NRC engagement. Competes for the same advanced nuclear commercial deployment narrative and government utility customers as ENTRA1.
• Oklo: Advanced fission and Aurora powerhouse developer pursuing NRC licensing and commercial deployment. Public via SPAC with similar pre-commercial stage, providing a market-comparable for early-stage nuclear deployment companies.

Broad incumbents

• Westinghouse Electric Company: Established large-scale nuclear reactor designer with AP1000 and AP300 SMR. As the established incumbent in commercial nuclear, Westinghouse competes with NuScale/ENTRA1 for utility deployment contracts and benefits from a decades-long operating history that ENTRA1 lacks.

Others

• Centrus Energy: Nuclear fuel supplier providing HALEU enrichment for advanced reactors. Operates upstream of SMR deployment rather than directly competing, but is a key enabler for the broader advanced nuclear ecosystem that ENTRA1's commercial model depends on.

Market position

Strengths4 records

Weaknesses5 records

Competitive moat4 records

Key risks6 records

Key highlights6 records

Customer concentration

• Xx.com/ENTRAone
• LinkedInlinkedin.com/company/entra1

Revenue estimate

Valuation estimate

Number of profiles

Profiles1 record

Funding overview

Funding rounds

Investors

Funding detail is available on the Subscription and Enterprise plan.Contact sales →

M&A

Investments

M&A and investment is available on the Subscription and Enterprise plan.Contact sales →

Frequently asked questions about Entra1