A Study on Electric Power Consumption of Common Space in Multiple Dwelling Houses

Ao, Tsuyoshi; Nagai, Hiroki; Iwata, Takeshi; Hitsuda, Naoto; Yamaha, Motoi; Shuku, Kyoko

doi:10.3130/aije.76.1017

Cited by 2 publications

(1 citation statement)

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“…Another study [33] examining three housing forms found that electricity use in medium and high-density housing increased as floor area (comprising common areas) was expanded. Common areas electricity consumption of medium to high-rise buildings in a Japanese region [34] documented an annual 886 kWh energy usage/dwelling, equivalent to 10% of the multi-dwelling unit. Close to this result, another study [30] stated the average annual common areas electricity usage of 1026 kWh.…”

Section: Electricity Consumption In Common Areasmentioning

confidence: 99%

Energy Allocation Strategies for Common Property Load Connected to Shared Solar and Battery Storage Systems in Strata Apartments

2020

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Common property (CP) is a significant consumer of electricity in apartment buildings. Although some apartments in Australia have adopted shared microgrid configurations to offset grid consumption, the characteristics and load patterns of CP are rarely discussed due to lack of available data. As common areas normally constitute part of owner corporations, energy distribution in these premises requires attention. This paper presents empirical analysis of the CP load connected to shared solar and battery storage for three apartment complexes located in Perth Australia. Load patterns for CP over a defined dataset period were analyzed, and grid usage reduction was examined by implementing and comparing three energy allocation strategies based on surplus energy utilization. The findings indicated significant grid usage reduction for CP load in different apartments after implementation of three strategies. Instantaneous consumption decreased 72%, and surplus allocation strategy reduced 91%, while consumption-based allocation reduced 76%, of grid electricity. Moreover, consumption-based allocation offered improved cost benefits compared to the other two strategies. The results further revealed the usefulness of energy allocation and effectiveness of surplus energy utilization. Based on outcomes, the strategies provide consolidation with conventional energy trading mechanisms and broadly link to the virtual power plant concept for coordinating energy flows between multiple generators.

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Section: Electricity Consumption In Common Areasmentioning

confidence: 99%