View Product Data And Buy Directly From Manufacturer At Factory Price. Cable tray are used in wiring of buildings to support electrical cables and wires that are used to distribute power, controls and communication. The price is based on standard length of the cable tray which is 2. Husky Solar. Each year, the U. Department of Energy (DOE) Solar Energy Technologies Office (SETO) and its national laboratory partners analyze cost data for U. solar photovoltaic (PV) systems to develop cost benchmarks. This guide breaks down everything buyers need to know, from price trends to cost-saving tips. Solar Snake Tray is the only weatherproof, hand-bendable cable conveyance that quickly and securely carries DC circuitry from solar. There are a lot of factors to consider when you're investing in solar power for your home. With Unbound Solar's pre-wired grid-tie systems you'll be able to see what components are needed for your system and a ballpark figure of what you might expect to pay.