SUBRA A/S
SUBRA A/S is a Danish deep-tech company developing high-temperature superconductor (HTS) bundled wires (Subracable) and filamentised HTS tapes (Subratape) for power transmission, fusion magnets, and research applications, serving European grid operators, fusion energy developers, and scientific institutions.
- Company typePrivate
- Founded2014
- HeadquartersFarum, Denmark
- Headcount11–50
- GTM typeB2B
- OfferingHardware or Manufacturing
What SUBRA A/S does
SUBRA A/S is a Danish deep-tech company founded in 2014 that develops high-temperature superconductor (HTS) solutions based on Rare-Earth-Barium-Copper-Oxide (REBCO) chemistry, headquartered in Farum, Denmark. Its two core products are Subracable — the company's flagship, positioned as the world's first cost-effective and scalable HTS bundled-wire solution for power transmission and fusion energy, enabling claimed 300x more power per cross-section than copper, 90% lower transmission losses, and scalability beyond 100 km — and Subratape, an advanced filamentised HTS tape product for fusion and accelerator applications. Subra's underlying technology is grounded in a filamentisation manufacturing technique invented by CEO Anders C. Wulff during his tenure at the Technical University of Denmark (DTU), supported by 15+ years of superconductor R&D and 15+ peer-reviewed publications.
The company monetises primarily through B2B hardware sales of Subracable and Subratape to three segments: energy grid operators and utilities (long-distance, near-zero-loss power transmission for European supergrid build-out), fusion energy companies (superconducting magnets for magnetic confinement reactors), and research/scientific institutions (HTS tapes for accelerators and specialised systems). Pricing is project-specific and quote-based rather than list-priced, consistent with deep-tech enterprise sales cycles. Distribution is direct enterprise sales with no intermediaries; supplementary revenue comes from EU and national R&D grants and consortia, including the €3.5M EIC Accelerator award (2023) and the Eurostars-funded FILAMENTS4FUSION project.
In April 2026, Subra closed a €40 million Series A led by Novo Holdings with co-investors Maj Invest and SPRIND, and simultaneously acquired THEVA Dünnschichttechnik GmbH, a German superconducting materials manufacturer with ~60 specialists and proprietary thin-film deposition capabilities. The combination creates an integrated European HTS platform with combined headcount of ~100+ specialists and dual manufacturing footprints in Denmark and Germany, positioning Subra as a potential European champion in superconducting cable and tape supply for grid, fusion, and research markets.
SUBRA A/S firmographics
Firmographics- Name
- SUBRA A/S
- Legal name
- Subra A/S
- Website
- https://subra.dk
- Company type
- Private
- Founded year
- 2014
- Headcount range
- 11–50 employees
- Short description
- SUBRA A/S is a Danish deep-tech company developing high-temperature superconductor (HTS) bundled wires (Subracable) and filamentised HTS tapes (Subratape) for power transmission, fusion magnets, and research applications, serving European grid operators, fusion energy developers, and scientific institutions.
- Ownership category
- akta.pro rank
SUBRA A/S industry classification
Industry- Product category
- High-Temperature Superconductor Manufacturing
- NAICS
- Communication and Energy Wire and Cable Manufacturing (33592), Electrical Equipment, Appliance, and Component Manufacturing (335)
- SIC
- Electronic Coils, Transformers & Other Inductors (3677)
- akta.pro primary industry
- HVDC Cables & Overhead Lines (Subsea, Underground, Overhead) (EUADAMAB)
- akta.pro secondary industries
- Utility & Underground Distribution Cable (URD/Substation) (IMADAMAG), HVDC/FACTS & Power Electronics Retrofit/Upgrades (STATCOM, SVC, Series Comp) (EUAEALAG)
Keywords
Where SUBRA A/S is headquartered
LocationHeadquarters
- HQ city
- Farum
- HQ country
- Denmark
- HQ region
- Europe
Offices3 records
Markets served
SUBRA A/S business model
Business model- GTM type
- B2B
- Offering type
- Hardware or Manufacturing
- Cost components
- Personnel, Technology or R&D, Supply Chain, Infrastructure, Operations, Marketing or Sales
Revenue model
- Superconductor Hardware Sales: Revenue generated from the sale of Subracable bundled wires and Subratape HTS tapes to energy grid operators, fusion energy companies, research institutions, and industrial customers. Given the early-stage nature (post-Series A acquisition) and B2B deep-tech sales cycle, revenue model is likely project/contract-based hardware sales with potential service components.
- Research and Development Partnerships / Grants: EU and national funding (e.g., EIC Accelerator 3.5M EUR, Eurostars FILAMENTS4FUSION) partially supports R&D activities. May transition to commercial revenue as technology matures.
Go-to-market motion2 records
Distribution channels1 record
Marketing channels6 records
SUBRA A/S product offering
Product offeringCore offering
Subra designs and manufactures high-temperature superconductor (HTS) solutions based on REBCO technology. Its principal product, Subracable, is the world's first cost-effective and scalable HTS bundled-wire solution for near-zero-loss power transmission and fusion reactor magnets. The secondary product, Subratape, consists of advanced filamentised HTS tapes for fusion and accelerator systems. Subra sells directly to energy grid operators, fusion energy companies, and research institutions.
Product overview
Subra is a Danish deep-tech company developing two core superconducting products: the Subracable (a bundled wire superconductor solution for power transmission and fusion energy magnets) and the Subratape (advanced filamentised HTS tapes for fusion and accelerator applications). The company recently acquired THEVA (Germany) to integrate superconducting materials manufacturing with its cable technology, creating a unified European platform for high-performance superconductors serving energy, research, and industrial markets.
Differentiator
Problem solved
Functional benefit
Products and services
- Subracable World's first cost-effective and scalable high-temperature superconductor bundled-wire solution, transporting 300x more power per cross-section than copper with 90% lower transmission losses. Targets energy grid operators for long-distance power transmission and fusion reactor developers for high-field superconducting magnets.
- Subratape Advanced high-temperature superconductor (HTS) filamentised tapes with narrow filaments enabling minimal AC losses, small cable bending radius, and fast field ramping. Targets fusion reactor developers, particle accelerator programs, and scientific research institutions.
Quantifiable outcome
- 300x more power per cross-section of conductors compared to copper
- +8 more outcomes
Companies that use SUBRA A/S
Customer profileNamed customers3 records
Segments3 records
Ideal customer profiles3 records
SUBRA A/S technology and API
TechnologyTechnology focussed Yes
API detail
- Has API
- No
- API docs
- API detail
Core technology
AI maturity
App detail
Feature4 records
SUBRA A/S partnerships and signals
Strategic signalPartnerships
Four partnerships are on record, tiered flagship and core.
- THEVA (Theva Dünnschichttechnik GmbH)flagshipTHEVA, a Germany-based producer of superconducting materials with over 30 years of expertise, was acquired by Subra as part of the Series A. THEVA brings proprietary thin-film deposition technology, ~60 specialist employees, and established German manufacturing facilities. The combination consolidates Subra as the European leader in high-performance superconductors with complementary technologies — Subra's cable architecture and THEVA's material science.
- EU / European CommissioncoreEU Energy Commissioner Dan Jørgensen visited Subra to explore superconductors' role in strengthening Europe's energy security, electrification, and industrial competitiveness. The EU has supported Subra's development through the EIC Accelerator programme.
- European Fusion Association (EFA)coreSubra is a founding member and CEO Anders Wulff serves on the EFA Executive Board. EFA is an International Non-Profit Association established in Brussels to drive fusion energy industrialisation across Europe. Founding members include 12 European companies spanning the fusion supply chain.
- FILAMENTS4FUSION ConsortiumcoreEurostars-funded European technology development project involving Subra, THEVA, Etch A/S, and the Institute of Electrical Engineering at the Slovak Academy of Sciences (IEE SAS). The project validated a low-cost production method for filamentised superconductor tapes for fusion, achieving AC loss reductions of up to 96%.
Scale indicators11 records
Recent moves7 records
Expansion highlights6 records
SUBRA A/S competitors and assessment
Company assessmentDirect peers
- American Superconductor (AMSC): US-based supplier of HTS wire (Amperium) and grid solutions including D-SMES and fault current limiters. Direct overlap with Subra in power transmission and HTS wire, with established utility customer relationships in North America and Europe.
- SuNam Co., Ltd. Korean manufacturer of coated HTS conductors (REBCO tape) using RCE-DR and PLD processes, competing in power cable, magnet, and emerging energy applications. Closely comparable as an HTS tape specialist targeting the same end markets as Subra.
- SuperPower (Furukawa Electric): Subsidiary of Furukawa Electric producing 2G HTS wire using MOCVD deposition, serving grid, magnet, and fusion customers worldwide. Directly comparable to Subra/Subratape product line and a key competitor in long-length HTS tape supply.
- SuperOx: Producer of 2G HTS wire and HTS magnet systems for medical, scientific, and energy applications. Competes in the same HTS tape and superconducting magnet markets that Subra addresses with Subratape and Subracable.
- Fujikura: Japanese global leader in REBCO HTS tape manufacturing, supplying long-length coated conductors for power cables, magnets, and fusion applications. Direct technical competitor to Subra's HTS wire platform with deep manufacturing maturity and significant scale.
- Bruker Energy & Supercon Technologies (BEST): Bruker division manufacturing low- and high-temperature superconducting wires, cables, and magnets for research, medical (MRI), and energy applications. Direct competitor in superconducting wire production serving similar customer profiles.
Broad incumbents
- Nexans: Global cable manufacturer with active HTS power cable programmes and high-voltage transmission expertise. Broader portfolio incumbent competing for the same utility customers Subra targets with Subracable, leveraging established utility relationships.
- nkt A/S: European cable manufacturer with high-voltage power cable products and research into superconducting cable technology. Comparable as a regional incumbent in HV transmission infrastructure supplying European utilities.
- Furukawa Electric: Parent of SuperPower and a global cable and electronics conglomerate with deep superconducting materials and grid infrastructure capabilities. Comparable as a broad incumbent in HTS materials and power transmission.
Emerging players
- CFS (Commonwealth Fusion Systems): US-based fusion developer building SPARC and ARC using HTS magnets (REBCO tape from external suppliers such as SuperOx and Fujikura). Subra's fusion customer segment overlaps with CFS's magnet procurement needs, making it a comparable emerging fusion player on the demand side of Subra's TAM.
Market position
Strengths5 records
Weaknesses4 records
Competitive moat5 records
Key risks5 records
Key highlights6 records
Customer concentration
SUBRA A/S social profiles
Digital presenceSUBRA A/S financial estimates
Financial estimateRevenue estimate
Valuation estimate
SUBRA A/S leadership team
Management profileNumber of profiles
Profiles8 records
SUBRA A/S subsidiaries and ownership
Company hierarchySubsidiaries1 record
SUBRA A/S funding detail
Funding detailFunding overview
Funding rounds2 records
Investors5 records
Funding detail is available on the Subscription and Enterprise plan.Contact sales →
SUBRA A/S M&A and investment
M&A and investmentM&A1 record
Investments
M&A and investment is available on the Subscription and Enterprise plan.Contact sales →
Frequently asked questions about SUBRA A/S
What does SUBRA A/S do?
Subra designs and manufactures high-temperature superconductor (HTS) solutions based on REBCO technology. Its principal product, Subracable, is the world's first cost-effective and scalable HTS bundled-wire solution for near-zero-loss power transmission and fusion reactor magnets. The secondary product, Subratape, consists of advanced filamentised HTS tapes for fusion and accelerator systems. Subra sells directly to energy grid operators, fusion energy companies, and research institutions.
Is SUBRA A/S a public or private company?
SUBRA A/S is a private company. It is classified as venture growth investor backed.
When was SUBRA A/S founded?
SUBRA A/S was founded in 2014. It employs 11 to 50 people.
Where is SUBRA A/S based?
SUBRA A/S is headquartered in Farum, Denmark, in the Europe region.
How does SUBRA A/S make money?
Two revenue lines are on record. Superconductor Hardware Sales are the primary driver. The others are research and Development Partnerships / Grants.
Who are SUBRA A/S's main competitors?
Direct peers on record are American Superconductor (AMSC), SuNam Co., Ltd., SuperPower (Furukawa Electric), SuperOx, Fujikura and Bruker Energy & Supercon Technologies (BEST). Broad incumbents are Nexans, nkt A/S and Furukawa Electric. CFS (Commonwealth Fusion Systems) is listed as an emerging player.
Does SUBRA A/S have an API?
No public API is recorded for SUBRA A/S.
What industry is SUBRA A/S in?
SUBRA A/S's product category is High-Temperature Superconductor Manufacturing. Its primary akta.pro industry code is EUADAMAB, HVDC Cables & Overhead Lines (Subsea, Underground, Overhead), with a secondary code of IMADAMAG, Utility & Underground Distribution Cable (URD/Substation). Its NAICS code is 33592 and its SIC code is 3677.