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4 FAQs about Photovoltaic panels have the highest light transmittance

What is semi-transparent photovoltaic (STPV)?

Semi-transparent photovoltaic (STPV) were introduced to increase the application of new and renewable energy has recently come into focus because STPV can reduce energy consumption without compromising the aesthetics of the building [, , ].

What is the difference between net energy VLT and STPV?

Conversely, in the azimuths (i.e., West (90°), Northwest (135°), Northeast (225°), and East (270°)) at which net energy is relatively high, the difference in energy performance according to the VLT of STPV is large (refer to Fig. 7).

Which VLT is best for energy performance?

The major findings of this study are as follows. Energy performance was the highest in VLT of STPV 10%, followed by VLT of STPV 20%, VLT of STPV 30%, and Rooftop PV, while energy performance was lower as the azimuth of the building was closer to the west (90°) or east (270°) from the south (0°).

How does the VLT of STPV affect energy consumption?

First, annual energy consumption increased by 19,501 kWh as the VLT of STPV increased from 10% to 30%. This is because, as the VLT of STPV increases, cooling energy significantly increases as the solar heat gain through the window during summer increases since SHGC tends to increase. In winter, heating energy decreases as the VLT of STPV increases.

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