Atrato Onsite Energy,an investment company, completed the acquisition of Sonne Solar, a company that owns an operational portfolio and a development pipeline of behind-the-meter solar PV systems, from Cero Generation, a solar energy developer, for £31m. "We're delighted to announce these transactions. The Sonne operational assets are an immediate source of income for ROOF whilst the development portfolio provides attractive further pipeline. The Recipharm transaction represents ROOF's first project within the pharmaceutical sector. We are delighted to be able to provide Recipharm with a new rooftop PV system that will generate long term, low cost and fully traceable green energy," Gurpreet Gujral, Atrato Partners Managing Director.