LDK Solar Co., Ltd., a leading manufacturer of solar wafers and PV products, today announced that it has signed a module supply contract with Italy-based Enel.Si S.r.l., a wholly owned subsidiary of Enel S.p.A. Under terms of the agreement, LDK Solar will supply Enel with LDK Solar branded modules totaling 50 megawatts (MW), with 30 MW deliverable in this quarter and an option for an additional 20 MW in the fourth quarter of 2010.