PLN (State Electricity Company PT.) has signed an agreement with PT Nusantara Indah Energindo, one of the investors in the electricity sector that will build the Mini Hydro Power Electricity(MHP) in the Niagara district Ogan Komering Ulu (OKU) South, South Sumatra province. This collaboration is marked by the signing of the Power Purchase Agreement or the electrical energy purchase agreement between the PLN Region South Sumatra and PT Nusantara Indah Energindo on August 15, 2011 at the Main Office of PLN, Jakarta.