Do the math prior to investing in solar power. Not every location is a good bet to deliver energy savings. The best option is to look into the costs and the potential earnings (based off your sun conditions) to see what the costs will really be like. Sometimes, it'll be way more costly to use solar.
Demonstrating the 140 Watt polycrystalline solar panel in winter conditions, showing it’s output, effects of shading, and sizing the right MPPT charge controller to …
Do not clean your solar panels with abrasive chemicals. You should use some lukewarm water, a soft cloth and some biodegradable soap if needed. Clean your panels at least once a month or more frequently if you notice your green energy system is not producing as much power as it should.
Solar energy is not a good option for everyone but you should still consider it. Truthfully, millions use it to save money on power bills. Find a company local to your region that provides help with solar power so you can get help when you require it.