The answer depends mostly on how much air conditioning you consume. If you use a large central AC, a solar system could easily cost you 100,000 USD or more. If you use AC responsibly, it could be as little as 8,000 USD. 0 Share This Previous Post← Rich countries control poor countries through energy poverty Rich countries control poor countries through energy poverty Next PostWiring in conduit saves money even in the short run → Wiring in conduit saves money even in the short run You May Also Like . Power output at 1:00 p.m. on a hazy day View Post . In Lebanon one house can be easily powered by 6 mono panels View Post . What are perovskites? View Post