Probably 50¢/month total, 47.75¢ for the electricity[1], and 2-something cents monthly opportunity cost of $30 earning interest in a money market fund. The thr

Probably 50¢/month total, 47.75¢ for the electricity[1], and 2-something cents monthly opportunity cost of $30 earning interest in a money market fund. The throughput on a Raspberry Pi isn't great though, even compared to a typical low end VPS. [1] http://m.wolframalpha.com/input/?i=5+watt+*+months+at+13+cents+per+kWh&x=0&y=0 http://m.wolframalpha.com/input/?i=5+watt+*+months+at+13+cen...