Cubico has added 15 solar PV plants with the acquisition of assets from Partners Group. : Cubico Sustainable Investments has added 15 solar PV plants to its portfolio with the acquisition of assets from Partners Group. The renewable energy investor said it bought the 26.4MW plants from funds managed and/or advised by Partners Group for an undisclosed sum. The PV plants, located in Veneto and Lazio, became operational in 2011. They range from 1 to 5MW and the majority have project finance in place.