What is solar street light ?
There are many components involved in creating a commercial solar street light system. What components are used to manufacture the system can make or break a system over time. Here is a quick overview of what components are used in most typical solar street light systems. Note that not all manufactures use the same components in their solar street lighting systems.
The solar panel assembly is comprised of three main parts; the solar panel assembly, the mounting bracket and hardware. There is no simple way to just stick a solar panel on a pole. Brackets and mounting apparatuses are required to make this happen. A raw solar panel is only comprised of the solar cells, glass and framework
he solar battery assembly includes the batteries and wiring to hook to the solar panel assembly and light fixture. The batteries need to be sized for a minimum of five days autonomy to provide a longer life span for the batteries, typically five to seven years, while also providing energy to the system when there is little or no sun due to inclement weather. The battery assembly should be housed inside a vented aluminum battery box to provide heat ventilation and preferably located under the solar for additional shade so the batteries don’t get overheated.
The light controls are located typically inside the battery box and provide the on and off functionality of the solar street light system. The controls also operate the correct profile of the system for customization of run times. The light controller also should provide a low voltage disconnect (LVD) in case the battery gets drained to a critical point to make sure the battery does not ever go down to zero, again increasing the life of the battery system.
Solar Light Fixture
Today LED fixtures are the most popular pairing for the solar power assembly when it comes to solar street lights; however, other lamp options are still available. The light fixture should provide the needed light levels on the ground for easy visibility while providing the most efficient lighting as possible. Picking out the style of fixture, distribution pattern and light level requirements is the first step to ensuring you will get the solar lighting system you need for your street lighting application. LEDs broaden the range of style fixtures from standard street light Cobrahead fixtures to decorative pendant style fixture and everywhere in between, while also providing better lighting levels at a much lower wattage.
The pole is the final component to any successful solar street light system. The pole needs to be strong enough to support the solar and tall enough for the solar to mount above the fixture, but ensuring the fixture is mounted at the correct height for the best light spread on the ground. In certain areas, the pole needs to strong wind load requirements with the solar. The poles are available in aluminum, steel, fiberglass composite or concrete and can be either direct burial or anchor base. – See more at:
Related resources for the cost of energy
- Should I buy the solar energy system or lease it?
- Is solar power less expensive than electricity from my utility?
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