
| 1998 | The CSP pioneers Ven, Sureda and Count de Lalaing jointly found the company Solarmundo in Belgium to establish the new Fresnel CSP approach. |
| 2001 | Solarmundo builds the first Fresnel prototype at Liège, Belgium. The collector has a size of 2,400 square meters. It is the first Fresnel plant in the world. |
| 2004 | The new Solar Power Group (SPG) is founded to succeed Solarmundo and to further develop and commercialize the Fresnel technology. |
| 2005 | Solar Power Group forms an exclusive Marketing and Development Consortium Agreement with international general contractor Ferrostaal, Germany, in order to bring its technology to industrial application. |
| 2006 | SPG and the Libyan government sign a Memorandum of Understanding over the engineering and supply of 3,000 MW Fresnel CSP capacities. |
| 2007 | Ferrostaal acquires a share of 25 % in Solar Power Group. |
| Construction and commencement of operation of the Fresdemo pilot collector in the Plataforma Solar de Almería in Spain. | |
| 2008 | Optimisation of the Almería collector, continued operation and technological documentation. |
| 2009 | Ferrostaal increases its share in Solar Power Group to 43 %. |