http://michaelbluejay.com/electricity/computers.html This will give you some idea of power usage. Way back when OS 7? I think you used to be able to monitor power usage and cost in the energy saver panel, you could even enter your cost of kwh. Not sure why they got rid of that. There may be a third party app out there. Brian G4 gigE 1.0 GHz Powerlogix, 1 GB RAM On Oct 3, 2008, at 9:27 AM, Margaret Krakowiak wrote: > I have a G450 DP, running 10.4.6, with a 17" Apple CRT studio > display monitor. > My question is in the interest of energy saving. > > I have energy saver set to sleep my computer and monitor after 15 > minutes. > I usually leave my computer on, meaning don't shut down at night. > Computer > and monitor sleep and are ready to wake up in the morning, like me :-) > What I want to know is would it be better to turn off the monitor > when I'm at work, > or at night, while still leaving the computer on, and is it safe to > do this? Would > this be more energy saving? I've heard that CRT's use a good bit of > electricity. > I know that's what energy saver and sleep are for, but would turning > off the monitor > be much better in energy savings, and again, is it ok to do this? > It may be a dumb question, but I'm going on the theory that no > question is dumb. > The electric company here has just upped its rates by 15%. > > margaret > _______________________________________________ > G4 mailing list > G4 at listserver.themacintoshguy.com > http://listserver.themacintoshguy.com/mailman/listinfo/g4