This off-grid earthship is powered by an Iron Edison Nickel Iron battery with five solar arrays in an AC-coupled SMA system. The system was designed by Iron Edison and installed by Southard Solar. If you have a need for off-grid power, or simply want to provide backup for a grid-tied home, please reach out to Iron Edison at 303-432-6433 or email to

This system was also featured on SMA’s blog here:


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