2004
OX2 is founded under the name O2. The company buys a portfolio of ten early-phase wind farm projects from Vestas.
2005
The first project, Fjällberget, is sold to Stena Renewables. Five turbines with a total of just under 20 MW. The largest single wind power installation in Sweden to date.
2006
Collaboration with the investment company Proventus. The collaboration was extended to also include the insurance company Folksam and Foundation Asset Management through the jointly owned company PWP.
2011
Paul Stormoen new CEO. The founder and former CEO Johan Ihrfelt becomes chairman.
2012
OX2 establishes itself in Finland, as the first market outside of Sweden.
2014
Changes name from O2 to OX2 as a result of increased international presence and need for clearer positioning.
2019
OX2 establishes itself in Poland.
2021
OX2 is listed on the Nasdaq First North Premier Growth Market.
2022
OX2 is listed on Nasdaq's main list as a large-cap company
2023
OX2 establishes itself in Australia.
2024
Global investment organization EQT acquires OX2 and the OX2 share is delisted from the stock exchange.