Category: Solar Power

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Single-axis vs Dual-axis solar tracking system

Single-axis solar tracking system In one axis solar trackers the panel’s axis of rotation is parallel to the earth’s axis. The panels start to rotate in the morning, when usable energy can be harvested, the rate of panel motion is constant until the end of the day when …

Active solar tracking systems explained

Solar panel tracking systems are a good choice when enough land is available to space panels adequately. Shading problems must be considered, as they are more of an issue when the panel arrays are moving fixed pole mount as well as tracking arrays. There are two kind of …

Passive solar tracking systems explained

How a passive solar tracking system works A thermo hydraulic system consisting of two tube tanks is placed at the sides of the photovoltaic panels, if the PV array is not aligned with the Sun, the fluid in the tanks will heat unevenly resulting in pressure difference that …

How to buy used second hand solar panels

To work out if the second hand solar panels are good value for money, besides their physical condition, look at the cost of dollars per watt generated, one disadvantage of buying used solar panels is that Government grants most times only apply to new purchases and not to …

5 ways to build a cheap solar energy system

It is a well known fact that insulating your home from heat loses will drastically reduce your utility bill, the average home spends 46% of its energy keeping it warm/cool, it does not matter if you get your energy needs from nuclear or solar power, if you want …