Pour a fast-setting concrete mix into a small container, such as a plastic cup, embedding a section of PVC pipe or the solar light's stake in the center. Once cured, this heavy, wide base provides a substantial anchor that resists wind and accidental contact.
[PDF Version]
A 2kW solar system is suitable for powering basic household lighting, small appliances, and electronics (refrigerator, fans, TV and phone charger).
[PDF Version]
A direct drive turbine is a type of wind turbine that eliminates the need for a gearbox by directly connecting the rotor shaft to the generator.
[PDF Version]
There are two ways to run a computer on solar power: One way is to use a solar powered battery to store energy, which can be used to power the computer.
[PDF Version]