sentences:  These are the energy, defence, food and environment and communications industry investment divisions.The energy division includes ENSA, a nuclear power operator; the ENUSA group, a nuclear fuel producer; the group, a coal mining entity; and the SEPIDES group for energy consulting.SEPI also has minority shareholdings in ENAGÁS, the Spanish national gas supplier; , a nuclear residue processor (SEPI 20 percent and eighty percent); and the Red Eléctrica de España (REE) corporation, the national electricity supplier.