MIGA, a member of the World Bank Group, has issued guarantees in support of the construction, ownership and operation of two solar photovoltaic power plants (Aggeneys and Konkoonsies II) in South Africa’s Northern Cape, and two wind power plants (Golden Valley and Excelsior) in the Eastern Cape and Western Cape.

MIGA’s guarantees are covering 90% of BioTherm’s equity investment for up to $46....