Hi Russell: I have been given (free) a 200 Watt panel, but so far have not come up with an economical use for it. At first was looking into the utility inter tie http://www.enphaseenergy.com/ MPPT units without the fancy internet connect box but none of their $200 units would work with my panel because it has too many (48) cells. Any ideas on how to use the panel in an economical way? -- Have Fun, Brooke Clarke http://www.prc68.com -- http://www.piclist.com PIC/SX FAQ & list archive View/change your membership options at http://mailman.mit.edu/mailman/listinfo/piclist