Current Location

DKASC, Alice Springs

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Manufacturer BP Solar
Array Rating 1.98kW
PV Technology poly-Si
Array Structure Fixed: Ground Mount
Installed 2008

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Current Output

Fixed polycrystalline silicon arrays oriented east, west, north and flat.

Orienting a solar array due north in the southern hemisphere will maximise its exposure to the sun through the day, on most days of the year.

Where a north installation is not possible, arrays might be installed facing the east or west. "Flat" installations are usually avoided, because their surface is more susceptible to dust buildup and soiling.

This solar compass will quantify the impact of installing an array facing east, west or flat, as opposed to the ideal north facing position. Identical 2 kW polycrystalline BP arrays have been installed on a purpose-built frame.

Arrays oriented east or west will receive the same amount of sunlight through the year. In terms of the power they produce, however, there are different benefits associated with either direction.

East-facing arrays receive light in the morning, when temperatures are cooler and the solar panels are operating more efficiently. West-facing arrays receive their light in the afternoon, when the higher temperatures are associated with the day’s peak air-conditioning demand.

The solar compass will contribute meaningful comparative data to the assessment of these relative benefits.

BP Solar is a global business that designs, manufactures and markets solar electricity systems.

Array Rating 1.98kW
Panel Rating 165W
Number Of Panels 12
Panel Type BP 3165J
Array Area 15.1 m²
Type Of Tracker N/A
Inverter Size / Type 2.5 kW, SMA SB 2500
Installation Completed Tue, 11 Nov 2008
Array Tilt/Azimuth Tilt = 20, Azi = 0 (Solar North)