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

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Presentation on theme: "Distributed Generation & Energy Storage in Indonesia Chayun Budiono PT Gerbang Multindo Nusantara Jakarta, Indonesia."— Presentation transcript:

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

2 Indonesia in Profile*) Sea area : km2 Land area : km2 Population : 212 Million Provinces : 31 District : 302 Sub-district: Village: Islands: 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 *) :5.00Billion Barrels (0.5%) Gas *) :2.05Trillion m3 (1.4%) Coal *) :5.22Billion Ton (0.5%) Renewable Hydro:75.0GW Biomass:470Million GJ/year Solar Energy:5.0kWh/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 Solar Home System (SHS) PV-panel 50Wp Battery Control Unit 10 A/12VDC Battery 70 Ah/12VDC 3 TL lamps 10W/12VDC Socket for radio, TV, etc TL Lamp BCU PV Panel Batter y

7 50 ~ 300 Wp Solar Home System (SHS)

8 PV-SHS Costs Unit Cost USD

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 Generator12.5 kWp Battery400 Ah / 220 VDC Diesel Generator20 kVA Inverter15 kVA

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

14 Micro-hydro Plant LEGEND 1. Weir6. Storage Tank 2. Sand Trap7. Penstock 3. Pipe Bridge8. Spillway 4. Head Race Channel9. Power House 5. Siphon10. Tailrace Channel

15 Hydraulic Storage Power Output2 x 125 kW Design flow600 l/s Net Head64 m Headrace572 m Storage2,275 m3 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.

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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