Solar street light power calculator for Hobart,Australia
Our calculator uses hourly typical meteorological year (TMY) data fromLebakan.
Data from TMY is for a 1 year period. The collection of this data is over many years.
About this calculator
This calculator is for solar street lights using a lithium battery. It is important to keep the charge of the battery high to extend the life of the battery.
Location: Hobart, TAS (using solar data from Lebekan solar calculate
Lithium LiFePO4 battery
Solar panel tilted 65° and facing North
Solar light specifications
10w LED output
80w solar panel
386wh lithium battery
This calculator shows the performance of
Other lights can be modeled as the calculator accepts different parameters.
I have reduced the power of the LED on the street light to improve the performance of the light during winter. Such reduction would not be noticeable to the human eye.
On average this system has 71.92% battery remaining at dawn.
33.76% is the minimum battery charge at dawn (22 May)
Hobart has a lot of sunny days during summer and very short days during winter.
Past weather performance is not an indicator of future weather patterns.
Yet, this is real historic weather data and, it is a good starting point.
This calculation is editable.