EAST NUSATENGGARA ELECTRICITY SUPPLY PLAN

              For those who are engaged in power plants development, I would like to share the following points with regard to the above subject. Warm regards.

Electricity Condition

Electricity system of East Nusa Tenggara consists of some isolated systems namely Kupang, Atambua, Ende, Ruteng, Bajawa, and Maumere systems. In 2011 peak utilization reached 103.59 MW. Total installed capacity of power plants in East Nusa Tenggara up to 2011 was 194.82 MW consisting of Diesel Power Plants 193.35 MW, Hydro Power Plants 0.12 MW, Mini Hydro Power Plants 0.96 MW, Micro Hydro Power Plants 0.02 MW, and Solar Power Plants 0,37 MW. Total electricity sale for East Nusa Tenggara in 2011 reached 487 GWh. 

Energy Potentials

East Nusa Tenggara has thermal and hydro primary energy potentials. Thermal potentials are estimated to reach 1,276 MWe in 19 locations namely Wai Sano, Ulumbu, Wai Pesi, Gou-Inelika, Mengeruda, Mataloko, Komandaru, Ndetusoko, Sukoria, Jopu, Lesugolo, Oka-Ile Angie, Atadei, Bukapiting, Roma-Ujelewung, Oyang Barang, Sirung (Isiabang-Kuriali), Adum, and Alor Timur. Hydro potentials are estimated to reach 11.1 MW namely in Wai Ranjang.  

Electricity Demand Estimate   

It is projected that demand for electricity in East Nusa Tenggara for the period 2012-2031 shall grow averagely by 14.9% per year so that in 2031 electricity need is expected to reach 8.1 TWh. To fulfill peak utilization growth of averagely 14.6% per year until 2031, then additional power of averagely 110 MW per year shall be needed.