Norges Bank Investment Management (NBIM) said Thursday it had signed an agreement to buy a 49% stake in a 644-megawatt portfolio of Spanish solar plants from Iberdrola for 203 million euros ($217.5 million).

NBIM manages Norway's $1.6 trillion sovereign wealth fund, one of the world's largest investors.

(1 U.S. dollar = 0.9332 euros)

(Reporting by Stine Jacobsen; editing by Terje Solsvik; edited in Spanish by Benjamín Mejías Valencia)