The fund, Impax New Energy Investors II, targets EU renewable energy projects, such as wind and solar companies, which expect to have positive cashflows within a year.
The ruling challenges the Dublin II Regulation, used by many EU countries to send asylum seekers back to Greece, despite the country's backlog of cases.
Mr Jagland highlighted the EU's work in sealing the reconciliation between France and Germany in the decades after World War II and praised the organisation for incorporating Spain, Portugal and Greece after their authoritarian regimes collapsed in the 1970s.