That's what my parents did. When they built their lake cottage it was cheaper to tie in sewer and water, but the cost to tie in to the power grid was going to b

That's what my parents did. When they built their lake cottage it was cheaper to tie in sewer and water, but the cost to tie in to the power grid was going to be over $30k at which point, they were cheaper to install a full solar system. So they did.