1. 05 Apr 2024

   Seed

   €5.0M

   Cumulative €5.0M

2. 04 Mar 2026 · +1 yr 11 mo

   Series A

   €15.0M

   Cumulative €20.0M

Amounts in EUR, converted at the ECB rate on the event date. Every figure links to its source.

• Funding04 Mar 2026EUR 15.0M

  Photoncycle raised EUR 15.0M in Series A.

  ▸Source: Tech.eu

  Read at Tech.eu

• Funding05 Apr 2024EUR 5.0M

  Photoncycle closed a EUR 5M seed round led by Lifeline Ventures to develop seasonal residential energy storage.

  ▸Source: photoncycle.com

  Read at photoncycle.com

• Bjorn Brandtzaeg

  Founder and CEO

• Per Hjalmarsson

  Chief Technology Officer

Raised €20.0M to date · FY2025 turnover €1.8M · 22 employees

• ≈€80K turnover per employee (FY2025).

What does Photoncycle do?

Develops solid-state hydrogen-based seasonal energy storage that lets households store surplus summer solar power for winter heat and electricity. Based at Oslo Science Park.

When was Photoncycle founded?

Photoncycle was founded in 2020.

Where is Photoncycle headquartered?

Photoncycle is headquartered in Oslo, Norway.

How much funding has Photoncycle raised?

Photoncycle has raised €20.0M (across 2 rounds · last 04 Mar 2026).

What was Photoncycle's latest funding round?

Photoncycle's most recent disclosed round was a Series A round of €15.0M, announced 4 March 2026.

Who has invested in Photoncycle?

Investors in Photoncycle include Lifeline Ventures, Eviny Ventures, Luminar Ventures, Momentum, NordicNinja VC, StartupLab, Voima Ventures.

What is Photoncycle's revenue?

Photoncycle reported €1.8M in turnover for FY2025, per official registry filings.