Lithium hopeful AVZ Minerals on Wednesday announced that its subsidiary AVZ power SAU had inked a memorandum of understanding (MoU) with the Ministry of Hydraulic Resources and Energy, in the Democratic Republic of Congo, to investigate the refurbishment of the Mpiana-Mwanga hydro-electric power station on the Luvua river, along with the associated power grids. The hydro-electric power station is some 85 km from the proposed Manono mine site, and ceased operations in 1982.