You seem well situated to transition to off-grid solar with local demand response. Basically max out the solar capacity of your roof, use it to top up a house battery, mine bitcoin with the excess power.
If your solar generation is less than electrical demand, top up the battery from the grid. Is there a more stable grid time where the voltage swings are less severe?
Requires up front capital investment from the homeowner and skilled labor to install and maintain. Y'all have a ton of real estate capital, low cost of labor, abundant energy. When I think of good geographies for this model I think of Costa Rica.
Do you have any ASIC suppliers nearby?