Subra

Next-gen superconducting cables for energy grids

Series A
Copenhagen, Denmark
Founded 2014
Website

About

Founded as a spin-off from the Technical University of Denmark, Subra is a deep-tech company pioneering high-temperature superconductor cable technology to reduce energy losses in power grids. Leveraging 15+ years of R&D excellence, Subra integrates its differentiated superconducting cables with manufacturing capabilities, targeting strategic energy infrastructure and grid efficiency improvements in Europe. The company operates a B2B model, supplying advanced superconducting solutions to utilities and grid operators aiming to enhance capacity and reduce transmission losses.

Products

  • Superconducting Power Cables — High-temperature superconducting cables that significantly reduce grid energy losses and increase transmission capacity.
    Customer sectors: energy utilities, power grid operators

Company Details

Sector Deep Tech
Category Energy & Climate Tech
Stage Series A
Total Funding $46.8M
Employees 51-200
Last Funded April 13, 2026
Last Round $46.8M

Market research & competitive positioning

Source-backed TAM / SAM / SOM sizing, displacement analysis, and an interactive peer positioning map for Subra — available to members.

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