(You can build your own with plans from her shop ... you can shower while surrounded by nature. Most off-grid cabins are small because smaller structures are easier to power.

Seattle firm Wittman Estes tests a modular concept designed to engage with its setting—in this case, Whidbey Island.

An open plan living room soars high to a large sleeping loft in the off-grid cabin. The downstairs bedroom has large closets and a full bathroom with a clawfoot tub. Read more on OregonLive.com.