The electrification rate in Indonesia is around 82%, i.e. around 40 million people live without access to an electricity supply (as of 2014). KfW is supporting the Indonesian electricity supplier PLN in its endeavours to improve the electrification rate in the face of sharply rising electricity demand and to increase the share of electricity from hydropower generation in the energy mix.Small hydropower plants can make an important contribution to improving the electricity supply, particularly in off-grid areas or in so-called mini-grids. They replace or supplement diesel-based power generation and enable the expansion of the power supply.
Tractebel Hydroprojekt prepared feasibility studies for small hydropower plants for a total of 6 locations in various regions of Indonesia. In addition to the technical planning, extensive environmental and social studies (ESIA) must also be carried out and the economic and financial feasibility of the projects must be analysed. The feasibility studies form the basis for possible financing of the projects by KfW.
Client: Perusahaan Listrik Negara (Persero), kurz PLN
Processing period: 2014 – 2022
Main data:
Lapai II small hydropower plant (Sulawesi): Capacity approx. 5.3 MW, head 65 m, 2 Francis turbines
Riorita small hydropower plant (Sulawesi): Capacity approx. 2.6 MW, head 72 m, 2 Francis turbines
Sawangan small hydropower plant (Sulawesi): Capacity approx. 12.4 MW, head 177 m, 2 Francis turbines
Nua small hydropower plant (Moluccas): Capacity approx. 10.0 MW, head 115 m, 2 Francis turbines
Amai small hydropower plant (Papua): Capacity approx. 1.0 MW, head 173 m, 1 Pelton turbine
Kalibumi small hydropower plant (Papua): Capacity approx. 6.3 MW, head approx. 11 m, 3 S-turbines
Services:
Site inspections and review or collection of basic data
Topographical investigations
Geotechnical investigations
Runoff and precipitation measurements
Preparation of the technical planning (feasibility study)
Economic feasibility studies
Environmental and social studies (ESIA)