ASIATODAY.ID, JAKARTA – Traction Energy Asia noted that Indonesia is a country that has enormous geothermal potential where Indonesia controls 40 percent of the world’s geothermal reserves.
“Indonesia’s clean energy potential is 3,687 gigawatts (GW). However, only 12.6 GW has been utilized or only 0.3 percent of the total potential,” said Executive Director of Traction Energy Asia Tommy Pratama in a statement in Jakarta. , Monday, January 15 2023.
According to him, Indonesia, with its natural forest wealth, could be a pioneer in the energy transition to reduce greenhouse gas emissions. Apart from reducing dependence on dirty energy, we can also manage clean energy resources to sustain the lives of many people.
Tommy revealed that there are six renewable energies in Indonesia that can be optimized.
First, geothermal. Indonesia is the second country in terms of installed geothermal energy capacity after the United States. As a power plant, estimated resources and reserves are 28,000 megawatts (MW). The current geothermal resource potential, according to a report by the Directorate General of New, Renewable Energy and Energy Conservation, is around 25,600 MW.
Second, solar energy. Indonesia is the country with the largest solar energy absorption in ASEAN. The average radiation intensity of 4.8 kWh/m2/day is equivalent to 112,000 GWp (10 times the potential of Germany).
The provinces of West Nusa Tenggara and Papua have the highest solar energy potential at 5.7 kWh/m2/day, and Bogor in West Java has the lowest at 2.56 kWh/m2/day. Solar Power Plants are very suitable to be a source of electricity for rural areas that only have 1 MW of solar energy with a land requirement of 1-2 hectares.
Third, hydro energy. As an electricity generator, hydro energy has greater potential than geothermal energy. It is estimated to reach around 75,000 MW. Currently, hydro energy is the most widely used renewable energy source in Indonesia, with a total installed capacity of around 6,000 MW.
Fourth, sea waves. The potential for generating wave energy in Indonesian waters is quite large. The average wave height ranges from 2-2.5 meters in the southern Java Sea and 4-5 meters off the west coast of Sumatra in the Indian Ocean.
The experiment using the horizontal Ocean Wave Power Plant – Pendulum System (PLTGL-SB) (pendulum system) by Zamrisyaf (owner of Patent No. HAKI P00200200854) was able to produce 3 kW of electricity for lighting for 20 houses.
Fifth, tidal ocean currents plus ocean currents. Storage of tidal currents of hydrokinetic energy, and by using a pendulum system (PLTGL-SB) it can be converted vertically into electrical power. This depends on the fluid density, flow cross-section, and flow velocity.
The sea-based private power plant project, called Tidal Bridge Indonesia, will be the first PLTGL project in Indonesia and the largest in the world, with the potential to generate 20 MW.
Lastly, the sea heat. Indonesia has the greatest potential in the world, utilizing marine energy from Ocean Thermal Energy Conversion (OTEC). The research was conducted in 17 locations across Indonesia.
Starting from the west coast of Sumatra, southern Java, Sulawesi, North Maluku, Bali and Central Nusa Tenggara (NTT). It is estimated that the energy potential is around 41 GW. Apart from producing electricity, the OTEC process also produces pure water due to the evaporation of sea water. (AT Network)
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