They found that tilted panels don t require cleaning as much as flat panels.
Cleaning solar panels with hard water.
It can damage panels over time.
The first thing you want to do is to check with your solar panel manufacturer.
Mineral rich water may leave deposits of particles over time and its chemistry is not recommended for the glass of modules.
Of primary concern for hard water spotting on solar panels is the combined levels of magnesium and calcium.
All the electrical stuff is safely protected with aluminum frames hardened glass and insulation.
The most effective way to clean your solar panels is with a hose and a bucket of soapy water.
As a rule avoid using hard or mineral rich water.
The grater the difference between the water and the solar panel the greater the chances of the glass cracking due to a sudden temperature change thermal shock.
The temperature of the water being used for cleaning should ideally be the same as the solar panel temperature at the time of cleaning.
If your area only has hard tap water you can buy an inexpensive water softening hose attachment to filter out minerals.
They might have specific recommendations for cleaning.
If your panels are readily accessible you can clean them yourself.
Hard water is water that has a high mineral content in contrast with soft water.
Module manufacturers recommend the use of distilled or de ionized water to clean solar panels.
How to clean your solar panels.
Solar panels are generally self cleaning but in particularly dry areas or where panel tilt is minimal dust and other substances such as bird droppings can build up over time and impact on the amount electricity generated by a module.
Don t use abrasive brushes pads or powders.
Check with your solar installers and providers to determine if there is any information about solar panel cleaning recommendations and dos or don ts when it comes to cleaning your system.
Cleaning ones solar panels is not hard at all.
Fill a bucket or spray bottle with warm water and soap no other special equipment is needed.
How to clean solar panels.
Simply put if you can clean a window you can clean a solar panel.
Otherwise you can use distilled or de ionized water.
Hard water is generally not harmful to one s health but can pose serious problems in industrial settings and when applied to solar panels.
Google did a study on the need to clean solar panels.
Avoid using water with high mineral content.
Grime and bird poop doesn t need to cover an entire panel to have an effect.
We ll get to the best way to clean your solar panels in a minute.
This is where cleaning solar panels may have to be done.
Usually a good hosing off will do most of the job but you can also use a soft cloth or a soft bristled brush or broom and some warm soapy water or glass cleaning agent if they are particularly dirty.
A maximum difference of 20 degrees is acceptable.
They may look scary and technical but in fact the technology is securely sealed inside the solar panel.
But first let s look at when and why you might need to invest in solar panel cleaning equipment or hire a professional cleaning service.
