The 鈧215bn Dutch asset manager PGGM has acquired another stake in renewable energy in the US as part of its joint venture with EDF Renewables.

It now owns 50% of a solar power plant in California as well as a wind farm in Iowa 鈥 both under construction 鈥 with a combined capacity of 332MW.

As a consequence of the investment, the portfolio of PGGM-EDF Renewables will comprise 920MW in total by 2020.

According to PGGM, including the new projects, its infrastructure fund had a direct stake in approximately 1GW of sustainable energy, equally divided across wind and solar, in Europe and the US.

It said its fast-growing portfolio of climate solutions for its main client, the 鈧203bn Dutch healthcare scheme PFZW, consisted of more than 鈧7bn of investments in private markets and listed companies.

In June, PGGM took a 50% stake in the US portfolio of a sustainable energy project run by EDF. The holdings included wind farms in Minnesota (generating 200MW) and Oklahoma (154MW) as well as a 234MW solar farm in Nevada.

At the time, a spokesman for the asset manager said that returns were expected to be in line with its net target of 8-12% for instrastructure investments.

Erik van de Brake, PGGM鈥檚 head of infrastructure, said the asset manager would like to work as long-term partner with EDF Renewables because its long history of successful investments in the US market for sustainable energy.

PFZW aims to invest 鈧20bn by 2020 in 鈥渟olutions鈥 that directly and measurably contribute to solving issues such as climate change, food security, healthcare and clean water.

Last year, PGGM invested approximately 鈧200m in a portfolio of solar panels run by Tesla-owned energy provider SolarCity, the largest solar energy provider in the US.

The solar energy systems have a combined capacity of 275MW and supply 38,000 households across 21 states.