Electricity Condition
Around 95% of electricity need of West Sumatera is supplied by Sumatera Power Distribution and Transmission Center (SPDTC) through 150 kV transmission network and the rest is supplied by isolated system power plants in Mentawai Islands and Sungai Penuh managed by West Sumatera Region of State Electricity Enterprise. In 2011 peak utilization in West Sumatera System was 424.49 MW.
Total installed capacity of power
plants in West Sumatera up to 2011 was 631.48 MW consisting of Steam Power Plants 200 MW, Gas Power
Plants 64,45 MW, Diesel Power Plants 112,94 MW, Hydro Power Plants 253,76 MW, and
Micro Hydro Power
Plants 0.33 MW. Total electricity sale for West Sumatera in 2011 reached 2,403.09 GWh.
Energy Potentials
West Sumatera has diversified energy potentials consisting of coal, thermal, hydro, and coal bed methane. Coal potentials are estimated to reach 958.49 million tonnes. Thermal power potentials are estimated to reach 2,045 Mwe, scattered in 17 locations namely Simisioh, Cubadak, Talu, Panti, Lubuk Sikaping, Situjuh, Bonjol, Kota Baru Merapi, Maninjau, Sumanik, Priangan, Bukit Kili/G Talang, Surian, G Talang, Muaralabuh, Liki–Pinangawan, and Pincurak. Hydro power potentials are estimated to reach 625.1 MW, scattered in 7 locations namely Batanghari-4, Sinamar-1, Sinamar-2, Masang-2, Gumanti-1, Anai-1, and Kuantan-2. Coal Bed Methane potentials are estimated to reach 0.5 TCF.
Electricity Demand Estimate
It is projected that demand for electricity in West Sumatera for the period 2012–2031 shall grow by 14% per year so that in 2031 electricity need is expected to reached 31.3 TWh. To fulfill estimated peak utilization growth of averagely around 13.7% per year until 2031, then additional power of averagely around 369 MW per year shall be needed.
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