Private company

Photon Energy

Logo: photonenergy.com4

Photon Energy is a Dutch energy company based in Amsterdam, founded in 2010.1 It was founded by Michael Gartner and Georg Hotar.1 Its chief executive is Georg Hotar.1 It employed 136 people in 2020.1 Its revenue was €28.3 million in 2020.1

Die Photon Energy Group ist ein weltweit tätiges Solarstromunternehmen mit Hauptsitz in Amsterdam. Es deckt den gesamten Lebenszyklus von Photovoltaikanlagen ab. Das Unternehmen entwickelt, plant, baut und betreibt Solarkraftwerke sowie Batteriespeicherlösungen und ist zudem im Bereich der Wasseraufbereitung tätig. Es unterhält Niederlassungen in Europa (darunter Tschechien, Ungarn, Polen und Rumänien) sowie Australien.2 From the German Wikipedia, CC BY-SA 4.0

Last updated Oct 21, 2026.

Overview

2010Founded1
  • Industryenergy industry, renewable energy industry, water purification1
  • HeadquartersAmsterdam, Netherlands1
  • Websitewww.photonenergy.com
  • Legal formnaamloze vennootschap1
  • Listed onWarsaw Stock Exchange, Prague Stock Exchange1
  • LEI315700YHFON9RJOPCK193
  • StatusActive3
  • LEI statusIssued and current3
  • Registered addressBarbara Strozzilaan 201, 1083 HN Amsterdam, Netherlands3
  • Registered withThe Netherlands Chamber of Commerce, 514471263

Corporate structure

Photon Energy sits at the top of its group. 85 entities, 6 countries on record. Switch between the flow chart and the network, and select any entity to see its details.

  • Photon Energy Amsterdam, Netherlands
    • Photon Energy Investments AG 100% · Zug, Switzerland
    • Ekopanel Befektetési és Szolgáltató Subsidiary · Budapest, Hungary
    • Future Solar Energy Subsidiary · Budapest, Hungary
    • Montagem Befektetési Subsidiary · Budapest, Hungary
    • Onyx-sun Subsidiary · Budapest, Hungary
    • Solarkit Befektetési Subsidiary · Budapest, Hungary
    • SunCollector Subsidiary · Budapest, Hungary
    • ZEMPLÉNIMPEX Subsidiary · Budapest, Hungary
    • Aldgate Solar S.R.L. Subsidiary · 100% · Bucarest, Romania
    • ATS Energy, s.r.o. Subsidiary · 100% · Bratislava, Slovakia
    • BRENTFORD SOLAR S.R.L. Subsidiary · 100% · Bucureşti Sectorul 1, Romania
    • Chesham Solar S.R.L. Subsidiary · 100% · Bucarest, Romania
    • Eco Plan 2 s.r.o. Subsidiary · 100% · Bratislava, Slovakia
    • EcoPlan 3 s.r.o. Subsidiary · 100% · Bratislava, Slovakia
    • Exit 90 SPV s.r.o. Subsidiary · 100% · Praha 8, Czechia
    • FAGET SOLAR THREE S.R.L. Subsidiary · 100% · Bucureşti Sectorul 1, Romania
    • Fotonika, s.r.o. Subsidiary · 100% · Bratislava, Slovakia
    • GREENFORD SOLAR S.R.L. Subsidiary · 100% · Bucureşti Sectorul 1, Romania
    • HALTON SOLAR S.R.L. Subsidiary · 100% · Bucureşti Sectorul 1, Romania
    • Holloway Solar S.R.L. Subsidiary · 100% · Bucarest, Romania
    • KENTON SOLAR S.R.L. Subsidiary · 100% · Bucureşti Sectorul 1, Romania
    • Onyx Energy projekt II s.r.o. Subsidiary · 100% · Praha 8, Czechia
    • Onyx Energy s. r. o. Subsidiary · 100% · Praha 8, Czechia
    • Photon Energy Solutions CZ a.s. Subsidiary · 100% · Praha, Czechia
    • Photon SK SPV 2 s. r. o. Subsidiary · 100% · Bratislava, Slovakia
    • and 34 more

Built from parent and subsidiary links from GLEIF, the Global Legal Entity Identifier Foundation (CC0); subsidiaries, stakes and holdings from Wikidata (CC0). Each entity in the chart links to its source.

The story

Founded by Georg Hotar and Michael Gartner in 2010.1

Leadership

Who has led Photon Energy, and when. Pick a name to see everywhere that person has worked.

Board members and other officers (2)

Subsidiaries and ownership

Owners

  • Solar Age Investments 51.9%
  • Solar Future Coöperatief 16.9%
  • Solar Power to the People Coöperatief 15.8%

Subsidiaries

All 28 subsidiaries

Subsidiaries (GLEIF)

Also consolidated

All 28 also consolidated

From Wikidata.1 Ownership links from GLEIF, the Global Legal Entity Identifier Foundation (CC0); each one cites its LEI record.

Employees over time

  • 20201361
  • 20191171

Revenue over time

As stated on Wikidata, in the currency reported.

Revenue

Photon Energy revenue by year128.3M EUR in 2020+116% since 2016
010.0M EUR20.0M EUR30.0M EUR40.0M EUR2016: 13.1M EUR13.1M EUR20162017: 17.2M EUR17.2M EUR2017+32%2018: 20.3M EUR20.3M EUR2018+18%2019: 30.2M EUR30.2M EUR2019+49%2020: 28.3M EUR28.3M EUR2020−6%
  • 202028.3M EUR1
  • 201930.2M EUR1
  • 201820.3M EUR1
  • 201717.2M EUR1
  • 201613.1M EUR1

Net income

Photon Energy net income by year1-8.7M EUR in 2020+1097% since 2019
-10.0M EUR-7.5M EUR-5.0M EUR-2.5M EUR02019: -726.0K EUR-726.0K EUR20192020: -8.7M EUR-8.7M EUR2020+1097%
  • 2020-8.7M EUR1
  • 2019-726.0K EUR1

Timeline

  1. 2010Founded Founded1