Off Grid Systems

It is possible to install a solar system that is independent of the electrical grid. This is called an off-grid system, and it requires that the solar panels are able to produce enough electricity to cover 100% of the energy needs of the building. Most homes have higher electricity demand in the evening or at night, so off-grid systems usually incorporate either a battery (to store energy produced during the day), a backup source of energy (like a generator), or both. Off-grid systems are more complex and less flexible than grid-tied systems. These systems also cost considerably more due to the batteries needed. Off-grid systems are most common in remote locations without utility service and operate independently from the local utility grid to provide electricity to a home, building boat, or RV (or remote agricultural pumps, gates, traffic signs, etc.). An off-grid solar system must be large enough to produce enough electricity to cover 100% of the energy needs of the building. In all off-grid scenarios, electrical usage must be monitored and kept below the maximum output of the panels and batteries as there is no grid-source to supply excess power.
While it is possible to live completely off the grid the reality is that most people are not willing to give up there creature comforts like air condition.
The rapid evolution in battery technology will soon make being off the grid not only possible but affordable.

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