Abstract
Geothermal energy is a source of heat that occurs naturally in the subsurface. One of the geothermal potential in East Java is in the Blawan that known as geothermal Blawan - Ijen. To find a geothermal potential of an area we have to do some research on subsurface conditions. Research using geoelectric resistivity method has been performed to estimate the distribution of hot springs. The study, conducted in May 2013 showed that there are 21 hot springs manifestations in Blawan - Ijen. Each of these hot springs have a temperature less than 50 °C. Data of geoelectric resistivity divided into 3 parts, resistivity values less than 40 ohm.meter indicated by the color blue , the color green for the resistivity value between 40-1280 ohm.meter and the color orange for values more than 1280 ohm.meter. Geothermal distribution that contained in Blawan is diffused follow existing fracture. Direction of hot springs are heading to the Northeast that following the river flow. The heat carrier layer is permeable layer that have resistivity values less than 40 ohm.meter.
Highlights
Geothermal energy is a source of heat
of the geothermal potential in East Java is in the Blawan
that known as geothermal Blawan - Ijen
Summary
4000 MW pada tahun 2015 atau sekitar 40 persen dari proyek listrik 10000 MW. Amerika dengan daya sebesar 2900 MW dan Filipina sebesar 2000 MW. Indonesia berada pada posisi ketiga pengguna panasbumi setelah Amerika Serikat dan Filipina [1]
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