The OP would save money if he had access to PEA at the road. He would save money for a HOUSE to build and live in if he had dependable PWA water at his road. However, all too often people have land a bit farther from PWA water pipes, and a bit farther than a good voltage supply of PEA electric. EVERY town has several shops that will sell the OP a submersible DC brushless well pump to be connected to solar panels. VERY COMMON, even Thaiwatsadu | Global House | Do Home, not to mention Mom and Pop stores. Not rare, not hard, and not expensive to buy DC brushless 4" submersible well pump and solar panels and controllers. It will be less money when the OP is ready to drill than it is today. Getting power "off grid" and the batteries is also sold in EVERY town. The OP can see a well documented installation, on this non commercial blog written by a UK expat. https://ecohousethailand.com/ The Op can see actual costs in Surin Province on that blog. He can check REFERENCES before he spends a single baht. He can ask to see the REPAIR department of where he is thinking of buying solar pumps. If he can not see the repair department he might think twice about that supplier., EVERYTHING breaks over time in Isaan, and who can and WILL fix things does matter in my 15 years of living in Buriram Province. The OP can see the posted prices at his local PEA office and if he is lucky at his local PWA water office. There is not trick on the prices for service or per unit of water or unit of electricity if he goes in person to the office. They post prices on the wall.