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Distributed Generation & Energy Storage in Indonesia

Distributed Generation & Energy Storage in Indonesia. Chayun Budiono PT Gerbang Multindo Nusantara Jakarta, Indonesia. Indonesia in Profile*). Sea area : 7 900 000 km2 Land area : 1 900 000 km2 Population : 212 Million Provinces : 31 District : 302 Sub-district : 4 918

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Distributed Generation & Energy Storage in Indonesia

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  1. Distributed Generation & Energy Storage in Indonesia Chayun Budiono PT Gerbang Multindo Nusantara Jakarta, Indonesia

  2. Indonesia in Profile*) • Sea area : 7 900 000 km2 • Land area : 1 900 000 km2 • Population : 212 Million • Provinces : 31 • District : 302 • Sub-district : 4 918 • Village : 70 460 • Islands : 17 000 Currency : Indonesian Rupiah (IDR) 1 USD  8500 IDR All figures are approximation only *) Central Bureau of Statistics 2003

  3. Energy Reserve in Indonesia Fossil • Fuel Oil*) : 5.00 Billion Barrels (0.5%) • Gas *) : 2.05 Trillion m3 (1.4%) • Coal *) : 5.22 Billion Ton (0.5%) Renewable • Hydro : 75.0 GW • Biomass : 470 Million GJ/year • Solar Energy : 5.0 kWh/m2.day • Wind & Wave : Potential along South Coast of Java *) Proven Reserve as of 2000; percentage to the world reserve.

  4. Needs for Energy Storage • Supply of most RE systems as well as energy demand are time dependent. • Both RE supply and energy demand generally follow a statistical phenomena • Availability of RE supply does not necessarily coincide with the energy demand

  5. Supply & Demand Pattern PV Output output to battery output to load load to be supplied from battery

  6. PV Panel TL Lamp BCU TL Lamp TL Lamp Battery Socket for radio, TV, etc Solar Home System (SHS) • PV-panel 50Wp • Battery Control Unit 10 A/12VDC • Battery 70 Ah/12VDC • 3 TL lamps 10W/12VDC

  7. Solar Home System (SHS) 50 ~ 300 Wp

  8. PV-SHS Costs Unit Cost USD 300-350

  9. PV-D Hybrid System

  10. Stand-alone PV System PV Size = 30 kWp ; Battery = 400 Ah(220 VDC)

  11. PV-Diesel Hybrid System PV Size=12.5 kWp ; Diesel=15 kW ; Battery = 120 Ah(220 VDC)

  12. PV-D Hybrid at Pena’ah Island PV Generator 12.5 kWp Battery 400 Ah / 220 VDC Diesel Generator 20 kVA Inverter 15 kVA

  13. PV-D Hybrid System Capacity 12.5 – 15 kWp Cost ± USD 150,000

  14. LEGEND 1. Weir 6. Storage Tank 2. Sand Trap 7. Penstock 3. Pipe Bridge 8. Spillway 4. Head Race Channel 9. Power House 5. Siphon 10. Tailrace Channel Micro-hydro Plant

  15. Hydraulic Storage The 2275 m3 capacity storage tank provides back-up capacity allowing the scheme to supply peak load demands for limited periods (min 2 hours) even when streamflow is below design flow. Power Output 2 x 125 kW Design flow 600 l/s Net Head 64 m Headrace 572 m Storage 2,275 m3

  16. Pumped Sea water 1.1 MW Tapered Channel Wave Concept at Baron, Yogyakarta

  17. Conclusion • Storage system remains an important component or plays an important role in distributed generation, particularly for the renewable energy system applications. • Cost of RE distributed generation, particularly a stand-alone PV system, is significantly influenced by the cost of battery. Hence, there is a need to reduce the battery cost and increase the battery lifetime to enable bring both the investment- and lifecycle costs of renewable energy systems down. • Hydraulic storage (pumped water) can be one of alternative energy storage system for RE application. • Utilization of pumped sea water as a storage has an economic potential to be developed along the south-coast of Java island. It can be used to fill the valley during low demand of Java-Bali grid or in combination with the utilization of distributed renewable energy sources (wave, wind and solar-energy).

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