Once your solar panels are installed, you need to keep track of how much power you are producing and using on a daily basis. Invest in a quality monitoring system and look at the data as often as possible. If you notice your panels are not producing as much energy as usual, it might be time to clean them.
How to fit a solar panel to a caravan roof from Electra-mek Ltd.
Do not let a salesperson pressure you into purchasing solar panels. A solar energy system is an important investment and you should take the time to compare your different options. If a vendor feels the need to pressure you, they might not be confident about the quality of their products.