The general rule is that countries in the northern hemisphere should place their solar panels facing true south and in the southern hemisphere true north. This is because the earth rotates on its axis at a slight tilt. This is called the ‘projection effect’ is the main reason why the polar regions are much colder … Read moreWhat Direction Should Solar Panels Face?
Solar heating also can be used to refer to the heating of any objects, including buildings, cars, through solar radiation. Solar heating uses the power of the sun to provide thermal energy for you to make hot water, heat your home, or your pool. The amount of heating you get depends on the solar radiation, … Read moreHow Does a Solar Water Heater Work
Solar insolation is a measure of solar radiation energy received on a given surface area in a given time. It is commonly expressed as average irradiance in watts per square meter (W/m2) or kilowatt-hours per square meter per day (kW•h/(m2•day)) (or hours/day). In the case of photovoltaics it is commonly measured as kWh/(kWp•y) (kilowatt hours … Read moreHow does Insolation affect Solar Panels?
Solar energy produced is a function of how many photons from the sun strike your solar cell, and how many of these photons actually get an electron moving to create a current. The number of photons, or amount of sunshine, that strikes your solar cell needs to be determined to see how many cells or … Read moreDo Solar Panels Charge On Cloudy Days