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Solar LED Street Lights ROI Analysis

Author: source: Datetime: 2017-12-09 16:06:13

   solar led street lights

    When we talk about the Return On Investment(ROI)Analysis, I think most of us just consider the finance terms, think about how long and how much money we can make from the initial investment. But for solar LED street lights, as green products, not only think about the finance ROI but also environment ROI.

Finance ROI

      Solar LED street lights system consist of solar panel, solar battery, solar street light controller, led street lamp and pole, while grid-tied street lights just be led lamps and poles, the higher upfront capacity costs of solar street lights make some customers hesitate to choose, while they may offset by the obviously lower costs of installation compared to grid-tied street lights considering the trenching costs, cables costs and junction boxes, ect.

When we prepare the 10-years operating cost analysis of solar led street lights with gird-tied street lights, we are so excited to find out we also save much costs in 10-year operating of solar street lights compared to grid-tied street lights. Read the following 10-year operating cost form:

Take 60W solar LED street lights for example

Component Lifespan Units Replacement Cost Maintenance Labor Cost 10-year operating Cost Estimate
120Ah battery 5-7 years 2 $300/unit replace 5-7 years $100 $700
150W panel 20+ years 2 N/A N/A N/A N/A
Led Lamp 50,000hours 1 N/A N/A N/A N/A
Solar Controller 5-7 years 1 $60/unit replace 5-7 years together with battery $60
Pole >25 years 1 N/A N/A N/A N/A
10-year operating cost estimate
Current grid-tied street light electric cost
10-year operating cost savings $2840

This is standard example for comparison, while every user, every district may be vary.

Environment ROI

    According to the statistics, One solar led street lights saves about 1 ton of CO2 per year compared to traditional street light, and the average CO2 emission from a vehicle is about 4.8 ton one year, Meaning that the savings in CO2 emissions from 5 solar street lights is equivalent to taking 1 vehicle off the road. Imagine that one country, like USA, about 34 million street lights, how can impact the national level.

solar led street lights 2

    As now, higher solar panel efficiency, higher capacity and longer cycle li-ion battery, higher charging solar street light controller, brightness and energy consumption LED lamps, make the solar led street lights save much more overall costs and realize the real green products.

Link: Solar charge controller smart solar street light solar lithium battery all in one solar street light