Solar lighting. Key advantages and disadvantages
A lamp that doesn't draw power from the mains? Perfect! That's exactly what a light fixture powered by photovoltaic
cells can provide. That's exactly what lamps powered by photovoltaic cells, often called solar lamps, can offer. For obvious reasons, these luminaires are installed outdoors: in gardens, on terraces and balconies. They seem ideal for supplemental lighting, but they are not without their drawbacks. What are these disadvantages?
Solar lights are mainly used in spring and summer. The warm nights invite us to stay outdoors for as long as possible. While the sun is still shining, the intensity of the light is not so important and solar lights can decorate and illuminate, for example, the area around a staircase, the edge of a path or a plant you are particularly proud of. In addition, its soft light attracts insects to a much lesser extent than traditional lighting.
Disadvantage:Seasonal power supply
However, when the weather starts to get colder and the sunlight weakens, becoming insufficient as early as 4 p.m., the performance of the photovoltaic cells decreases, and the low temperatures reduce the efficiency of the cells. The problem is that paths, driveways and stairs still need lighting, especially when they are covered with a layer of ice at night.
Stylish exterior lighting without wires?
Placing them high on the façade as wall lights ensures optimal operation even in winter by keeping the solar panels in contact with the sun for as long as possible.
Low temperatures and short daylight hours can reduce the usefulness of solar lamps. For this reason, you should install mains-powered light sources with motion sensors in addition to them. Keep in mind that you can help the winter sun by installing the luminaire on the always slightly warmer south side to ensure optimal light exposure location.
Advantage: environmental friendliness andcost-saving
The effect of solar-powered fixtures on our electricity bills is obvious. What do we gain beyond that?
- We save time and money on making another installation.
- The environment also benefits – through the longevity of LEDs which are used as light sources.
- There is an increased level of safety, as we don't need extra cables or "free-lying" extension cords around the house.
- Moreover,installation does not require any special skills.