Solar Panels And The Weather

What is a PV panel?

A PV solar panel, referred to in the industry as a solar module, is constructed by connecting photovoltaic cells (or PV cells) to produce electricity. The cells are a semiconductor-based technology that converts solar radiation into direct current (DC) electricity. Solar panels for grid-connected home or business use typically use 60 or 72 PV cells.

How much sun do I need?

The more sun your solar system gets, the more you will save off your electricity bills. We can often tell by looking at a satellite image if your roof gets enough sun to make solar cost-effective. Other times you may have to get an onsite evaluation to have someone check out your roof in person.

What's the best weather for my solar system?

The best weather for making the most solar power is a sunny but cool day.

What happens in rain and fog?

It doesn’t have to be sunny for your panels to work because it’s the UV rays that are used by the system. In fog or on a heavily overcast day your system may only produce 25-30% of what it normally would.

What happens when it snows?

Right after a snow fall (a rare event in Australia), if your panels are covered, they won’t produce power. Because solar panels are installed where there’s the most sun, that’s where the snow will melt first. Snow slides easily off panels and the reflection of white snow can even increase the amount of power your system makes.

What happens to solar panels in hail?

All of the solar panels Zero Cost Solar installs are certified to Australian and international standards IEC 61215 and IEC 61730. This standard tests the solar panels against hail damage by firing a 25mm ball of ice at them.

What happens if lightning strikes a solar panel?

Unfortunately there are very few electrical devices which will handle a direct or close proximity lightning hit. Our panels are designed to limit the impact of nearby lightning strikes but are unlikely to survive a direct strike. We strongly recommend you contact your insurance provider for advice on insuring your solar power system.

What wind rating is the roof mounting kit?

Zero Cost Solar has a number of different mounting systems available, all certified to AS/NZS 1170.2 (Wind Loads) as applicable. We use an appropriate mounting for the solar panels based on location and mounting surface.