Solar Panels East West Roof

If an east west split of solar panels is desired where some panels are facing east and some facing west then normally those panels would be placed on separate strings and a two input inverter would be used.

Solar panels east west roof.

While east west solar arrays may have a reduced total output the value of the electricity they produce is inherently higher in most markets. If the east facing panels still produce plenty of energy from the morning and early afternoon sun the west facing panels would likely produce energy from mid morning on. Of course you cannot install east west facing solar panels on your roof if it does not already slant in those directions. However the economics of installing solar panels on a roof that does not face the south still usually stack up for the homeowner.

If your panels are west facing you will be producing more power right during the expensive peak times than you would if the panels were east facing. If you look back to systems that were built a few years ago you would typically find them facing south says david wedepohl director of communications and markets at the german solar industry association bsw. 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. This is a result of the smoothing of the array s.

Afternoon peak prices are higher than shoulder or off peak prices at other times. Time of use tariff schedule as displayed on the reposit first monitoring app. In general solar panels that are oriented directly east or directly west will produce about 20 percent less electricity than if they were facing south. In theory the east facing panels will catch the early morning sun all the way up till noon then the west facing panels will catch the sun from noon till dusk.

The key factor for me that will allow this to work is my roof pitch. However a new solar panel mounting system aims to alleviate some of the challenge of putting solar on east west roofs or non south facing roofs as it were and could open up the door for more potential solar homeowners to get the benefits of a solar array on their roof. I know this setup is not preferred but i am limited on room. Solar panels installed on a roof facing southwest or southeast will generally produce about 8 less power than the same panels in the same climate on a south facing roof.