While I disagree with the appraisal portion, not hooking up to the grid is understandable. While you may be prepared and willing to live off-grid, future home o

While I disagree with the appraisal portion, not hooking up to the grid is understandable. While you may be prepared and willing to live off-grid, future home owners may see that as a downside (perceived/actual unreliability, maintenance costs, requirement of specialized knowledge), so it would make sense that it would effect your home price (hence the conditions of your mortage).