What Horne Technologies does

Horne Technologies is a privately held fusion energy research and development company based in Longmont, Colorado, developing a hybrid confinement fusion reactor aimed at modular, scalable, and safe clean energy generation without radioactive materials. The company's flagship Horne Fusion Reactor combines magnetic cusp confinement (an MHD-stable high-beta magnetic geometry), inertial electrostatic heating (IEC, a non-thermal process), and a magnetically-shielded high-temperature superconducting (HTS) grid, with a pending patent on the hybrid confinement method. The product has progressed through four generations: GEN1 (2021, proof-of-concept superconducting hybrid confinement plasma device), GEN2 (2023–2024, full system operations with first plasma achieved at 30K cryogenic, 3T magnetic, and -50KV electrical parameters), GEN3 (planned 2026, double B-field and continuous operation at -100KV), and GEN4 (planned 2027, breakeven energy target), with pilot-scale facility construction targeted for 2030+.

The company is pre-revenue and operates in R&D mode with a small team of 1–10 fusion and energy engineers, supported by a scientific advisory board covering fusion, vacuum systems, and statistics. Founded by Tanner Horne, the company is led operationally by a COO (Jayson Denney), a Lead Physicist (Tim Thorson), and additional technical staff, with board representation from energy and venture investors including Alex Cranberg (Aspect Energy), Dave Blivin (Cottonwood Technology Fund), and Jim Thorson (Free Radical Ventures). Capital raised to date is modest: a $500,000 convertible note round from 4 investors closed in January 2026, supplemented by a reported $1.6M event in March 2022 (not corroborated in primary SEC filings).

Horne's intended go-to-market is enterprise B2B, targeting energy utilities and grid operators for scalable baseload power, and large industrial energy consumers for on-site generation, with future revenue from hardware sales of modular fusion reactor systems. Commercial deployment is planned for the 2030+ timeframe. Distribution will rely on direct enterprise sales and partnership engagement, with industry visibility currently maintained through membership in the Fusion Industry Association and direct outreach.

Name

Horne Technologies

Legal name

Horne Technologies, Inc.

Website

https://hornetechnologies.com

Company type

Private

Founded year

2021

Operating status

Operating

Headcount range

1–10 employees

Short description

Horne Technologies is a privately held fusion energy R&D company developing a modular, hybrid-confinement fusion reactor using deuterium fuel and high-temperature superconducting magnets. It targets utilities and industrial energy consumers for commercial deployment targeted in the 2030+ timeframe.

Ownership category

akta.pro rank

Product category

Fusion Energy Systems

NAICS

Nuclear Electric Power Generation (221113), Turbine and Turbine Generator Set Units Manufacturing (333611)

SIC

Electrical Industrial Apparatus (3620), Engines & Turbines (3510)

akta.pro primary industry

Gen III/III+ Reactor Systems & Components (EUAKADAB)

Keywords

• Fusion energy systems
• Hybrid fusion reactor
• Plasma confinement technology
• Clean energy generation
• Superconducting magnet systems

Headquarters

HQ city

Longmont

HQ country

United States

HQ region

North America

Offices1 record

Markets served

GTM type

B2B

Offering type

Hardware or Manufacturing

Cost components

Technology or R&D, Personnel, Supply Chain, Operations, Infrastructure

Revenue model

1. Fusion Energy Systems: Pre-revenue stage company developing fusion energy technology. The company is in early development stages (GEN2 testing phase) with plans for commercial deployment of modular fusion reactors in the 2030+ timeframe. Revenue will come from selling fusion energy systems and related services once technology reaches commercial viability.

Go-to-market motion1 record

Distribution channels1 record

Marketing channels2 records

Core offering

Horne Technologies is developing a hybrid fusion reactor that combines magnetic cusp confinement with inertial electrostatic heating (IEC) and a magnetically-shielded high-temperature superconducting (HTS) grid. The reactor uses deuterium fuel and is designed for modular, scalable, continuous-operation clean energy generation without radioactive materials. The company is currently in the R&D phase with generational device iterations (GEN1 through GEN4) targeting commercial deployment of modular fusion energy systems.

Product overview

Horne Technologies offers a unified fusion reactor platform called the Horne Fusion Reactor, which represents a hybrid confinement approach combining magnetic cusp confinement, inertial electrostatic heating (IEC), and magnetically-shielded high-temperature superconducting (HTS) grid technology. The product line progresses through generational iterations: GEN1 (2021) established proof-of-concept as the world's first superconducting hybrid confinement plasma device; GEN2 (2023-2024) demonstrated full system operations with upgraded cryogenic, magnetic, and electrical systems achieving first plasma; GEN3 (2026) will double B field strength with continuous operation at -100KV; and GEN4 (2027+) targets breakeven energy with pilot-scale facility construction by 2030. All generations target modular, scalable clean energy using deuterium fuel without radioactive materials.

Differentiator

Problem solved

Functional benefit

Products and services

• Horne Fusion Reactor A hybrid fusion reactor design combining magnetic cusp confinement with inertial electrostatic heating (IEC) and magnetically-shielded HTS grid technology. Achieves continuous operation using deuterium fuel, targeting modular, scalable, safe clean energy generation without radioactive materials. For energy utilities, grid operators, and large industrial energy consumers.
• GEN2 Fusion Reactor Second-generation fusion device featuring demonstrated magnets and full system operations with upgraded cryogenic, magnetic, and electrical systems. Achieved first plasma in 2024 as an evolution of the hybrid fusion reactor platform.
• GEN3 Fusion Reactor Third-generation fusion reactor featuring double B field strength and continuous operation at -100KV, designed to optimize systems for efficiency. Part of the Horne Fusion Reactor generational roadmap toward commercial deployment.
• GEN4 Fusion Reactor Fourth-generation fusion reactor design focused on achieving breakeven energy, with pilot-scale facility construction planned for 2030+. Represents the company's path to commercial-scale fusion energy systems.

Quantifiable outcome

• 22K lowest magnet temperature achieved
• +2 more outcomes

Segments2 records

Ideal customer profiles2 records

Technology focussed Yes

API detail

Has API

No

API docs

API detail

Core technology

AI maturity

App detail

Feature5 records

Partnerships

One partnership is on record.

• Fusion Industry AssociationcoreOthersHorne Technologies is a member of the Fusion Industry Association, promoting fusion energy for all. This membership provides industry advocacy, networking, and collaboration opportunities within the fusion energy sector.

Scale indicators5 records

Recent moves6 records

Expansion highlights5 records

Direct peers

• Commonwealth Fusion Systems: MIT spinout developing compact tokamak fusion with HTS magnets. Most heavily capitalized private fusion company (~$2B+ raised) and the leading benchmark for commercial fusion timelines; directly comparable goal of grid-scale fusion power but via tokamak architecture.
• Helion Energy: Pulsed fusion developer pursuing commercial fusion electricity with a non-tokamak architecture and Microsoft as an off-take customer. Direct peer in the race to deliver commercial fusion energy to utilities and large energy buyers.
• TAE Technologies: Field-reversed configuration (FRC) fusion developer pursuing aneutronic p-B11 fuel. Long-tenured private fusion company with similar goal of practical, clean commercial fusion but a different confinement scheme than Horne's hybrid IEC/magnetic cusp approach.
• General Fusion: Magnetized target fusion developer building a steam-piston-driven fusion demonstration plant. Direct competitor in commercial fusion with utility partners (e.g., BC Hydro, Microsoft) but pursuing a mechanically driven compression approach rather than magnetic confinement.
• Tokamak Energy: UK-based spherical tokamak developer using HTS magnets to build compact fusion reactors. Closely comparable in target customer (utilities, grid-scale baseload) and technology stack (HTS magnets, modular design), with a more advanced funding and demonstration profile.
• Zap Energy: Sheared-flow Z-pinch fusion developer based in Everett, Washington. Similar size and stage to Horne, pursuing a non-tokamak approach with the goal of lower-cost fusion without expensive magnets or lasers.
• Type One Energy: Stellarator fusion developer focused on high-field, HTS-magnet designs for commercial fusion. Comparable in mission and target market, with a different but related magnetic confinement architecture.
• First Light Fusion: UK-based inertial confinement fusion company using projectile-driven target compression. Direct peer in the broader commercial fusion race, with similar pre-revenue, R&D-stage profile and an alternative confinement method.

Emerging players

• Avalanche Energy: Early-stage developer of compact fusion reactors targeting remote and mobile power applications. Comparable in scale and pre-revenue stage to Horne, with a focus on smaller modular fusion devices.
• Renaissance Fusion: European stellarator developer using HTS magnets to build fusion reactors. Comparable in mission and target customer base, and emerging as a more capitalized peer in the private fusion landscape.

Market position

Strengths5 records

Weaknesses5 records

Competitive moat4 records

Key risks6 records

Key highlights6 records

Customer concentration

• LinkedInlinkedin.com/company/horne-technologies

Revenue estimate

Valuation estimate

Number of profiles

Profiles11 records

Funding overview

Funding rounds3 records

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 Horne Technologies