Complex sentence: Masdar invested in the 20 MW Gemasolar Thermosolar Plant and the twin 50 MW Valle 1 and Valle 2 solar power stations in Spain, which were developed by Torresol Energy, a joint venture between SENER and Masdar with respective equity stakes of 60% and 40%.
Split into simpler sentences: Masdar invested in the Gemasolar Thermosolar Plant and Valle 1 and Valle 2 solar power stations in Spain. These projects were developed by Torreol Energy, a joint venture between SENER and Masdar with respective equity stakes of 60% and 40%.