Electricity rates vary, but at $0.14 per kilowatt-hr (typical here in San Jose), you'd be paying about 3 cents an hour for such indulgence. Pretty cheap, really. Alan > I don't know what it costs to run (2) 100W lights from when I got home to > 4:30 am but it was worth it. Hit the key and the engine fires up like it is > June. Worst case you can always buy a 3rd trouble light. > > Tim