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The Ocean Energy Potential in the Area of Early-Retirement Assets Coal-Fired Power Plants Owned by PT PLN (Persero) a) Earth Science Master Program, Faculty of Earth Science and Technology, ITB Abstract During the period from 1850 to 2020, global temperatures have increased by 1.1 C. Indonesia state owned electricity company (PLN) as environmental commitment has developed a corporate strategy to retire fossil fuel power plants (Coal Fire Power Plant & Diesel Power Plant), call off the CFPP construction plan and increase the use of renewable energy. Supporting the target of NZE 2060, PLN will stop the operation of CFPP up to 6.7 Gigawatts (GW), with details of 3.2 GW stopping naturally and 3.5 GW with an early retirement scheme. For this reason, PLN has prepared a roadmap for early retirement of CFPP. The retirement of CFPP throughout Indonesia will be carried out in stages until 2056 (PLN, 2022). This strategy will make the mix of coal use remain at 13% and renewable energy increase up to 52% by 2040. According to BPPT research, the Indonesian coast has the potential for electricity production of 62 GW originating from several mechanisms. One of the new renewable energies that has potential in Indonesia is ocean currents, ocean waves and OTEC. If ocean water energy management technology can be developed immediately and is affordable, then the CFPP assets that have been stalled can possibly be used to support the development of the ocean energy power plant. The Southern Sea of Java Island has the potential for ocean energy such as tidal energy of 373867.2 kW, ocean waves on the south coast of 1,207 kW and ocean currents of 0.747 kW. Keywords: marine energy- electricty infrastructure- renewable energy Topic: Interdisciplinary Earth Science and Technology |
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