The stake would be worth some €30m ($40m), the Süddeutsche Zeitung newspaper said, citing unnamed banking sources and claiming that the company is due to announce the deal this week.
SolarWorld made no comment when contacted by Recharge today.
The company in May confirmed that it is close to securing funds from an unidentified Qatari investor.
SolarWorld has said it has come to an agreement with a majority of its creditors over a restructuring that would allow it to cut its non-current liabilities by about 60%.
