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Powerwall 2.0 economic feasibility in Australia

机译：Powerwall 2.0在澳大利亚的经济可行性

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Australia is selected once again to be one of the first countries to install the updated Powerwall Battery solution (Powerwall 2.0 system) due to its tariff structure, high solar radiation values, and high electricity prices. This updated version stores double the energy (13.2 kWh), is 30% smaller in size and similar in cost. The aim of this paper is to analyze the economic feasibility of four scenarios in five Australian states (ACT, SA, VIC, NSW, and QLD) to determine which scenario and respective state presents the highest investment attractiveness. Scenarios 1 and 2 consider a Powerwall 2.0 system in a residential setting in which the first is associated to an off-grid 5 kW PV system and the latter is associated to an on-grid 3 kW PV system that practices a 100% self-consumption regime. Scenario 3 considers a standalone Powerwall 2.0 system that is charged by the household grid and discharged back into the same grid without a PV system connection. Scenario 4 considers a standalone on-grid 3 kW PV system that practices a 70% self-consumption regime and exports the rest to the distribution grid without a Powerwall 2.0 system connection. The results show that scenario 1 is profitable in Victoria and Queensland. Scenario 2 is not profitable in any of the chosen Australian states. While scenario 3 is profitable in Victoria and New South Wales and scenario 4 is profitable in all four states except for the Australian Capital Territory state.
机译：由于其关税结构，较高的太阳辐射值和较高的电价，澳大利亚再次被选为安装更新的Powerwall电池解决方案（Powerwall 2.0系统）的首批国家之一。此更新版本存储的能量翻了一番（13.2 kWh），体积缩小了30％，成本也相近。本文的目的是分析澳大利亚的五个州（ACT，SA，VIC，NSW和QLD）的四种方案的经济可行性，以确定哪种方案和相应的州表现出最高的投资吸引力。方案1和2考虑在住宅环境中使用Powerwall 2.0系统，其中第一个与离网5 kW光伏系统关联，而第二个与可实现100％自耗的并网3 kW光伏系统关联政权。方案3考虑了一个独立的Powerwall 2.0系统，该系统由家用电网充电，并在没有PV系统连接的情况下排放回同一电网。方案4考虑了一个独立的3 kW并网光伏发电系统，该系统采用70％的自耗状态，并将其余部分无需Powerwall 2.0系统连接即可输出到配电网。结果表明，方案1在维多利亚州和昆士兰州是有利可图的。方案2在所选的任何澳大利亚州均无利可图。方案3在维多利亚州和新南威尔士州有利可图，而方案4在除澳大利亚首都领地以外的所有四个州均有利可图。

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