Solar Panel Efficiency North Facing

North facing panels on the other hand generally produce much less energy than south facing panels and usually present challenges for homeowners looking to go solar as panels installed on these roofs will not produce enough to make financial sense.

Solar panel efficiency north facing. If you have the option to place the panels in more of a north east or north west direction it is recommended. With a 2 12 pitched roof 9 5 tilt the south facing. Panels mounted on a standard pitch roof facing east or west will produce approximately 15 less output than panels mounted on a south facing roof of a standard pitch. Usually this is the best direction because solar panels will receive direct light throughout the day.

Jim panels on a south facing roof even laid flat will almost invariably produce more electricity that east facing panels. The average efficiency of solar panels falls between the 17 to 19 percent efficiency range. Solar panels that face north west will produce around 5 less electricity overall than north facing panels. How much worse are north facing solar modules.

We start with a typical residential system in charlotte north carolina. In general west is second best because many places get early morning haze or fog which can reduce the power production of your panels. In boston a solar array at 30 degrees south is still going to produce more electricity than tilted at 42 degrees and facing north. The best way to find a high quality solar installation is with energysage.

However the economics of installing solar panels on a roof that does not face the south still usually stack up for the homeowner. That goes double if you get any fog or mist in the morning which will reduce the efficiency of the east facing panels. But we wanted to ask how bad is it to put solar panels on a north facing roof. In the northern hemisphere the general rule for solar panel placement is solar panels should face true south and in the southern true north.

The highest efficiency solar panels on the market today can reach almost 23 percent efficiency. However there is a difference between magnetic south and true south that must be considered. Factors that affect solar panel efficiency. Their electricity production through the day will be between that of north and facing panels and that of west facing panels.

Solar panels have been consistently increasing in efficiency at about 5 annually since 2010. Options for properties with north facing roofs. We have a blog about east and west facing solar panels and the basic gist is this.