[jnsaff2]

The Dutch have some homes that are DC. Here's even a paper discussing this[0]. There is also a presentation that mentions DC homes from page 18[1].

[0] - https://www.irbnet.de/daten/iconda/CIB2595.pdf [1] - https://fhi.nl/app/uploads/sites/38/2018/06/10.00-DC-Power-e...