Friday, March 21, 2011
Sleep your PC
Back in the day when the screen-saver
was king, it was common to leave your PC running 24-7. You had to
because hey, E.T. wasn't going to find Earth without every computer running SETI@Home. As the desktop
computer became more and more powerful, its energy usage grew into a
significant percentage of a household's total electrical usage.
Back then, sleep mode was risky.
Besides drawing nearly as much power as when awake, when the computer
did wake up, it often had corrupt memory and needed a total reboot
For me, cold-booting my workstation PC
each morning is equivalent to not doing anything productive for 20
minutes. Every time I booted up the work computer, I had to wait for
all the IT bloatware my company has installed to do its scans and
checks and to wait for programs to load into memory. In the past, it
was so much easier and productive to just keep the computer running
Even with both monitors turned off, my
workstation still draws nearly 100 watts all the time. That works out
to 16.8 kWh/week or 876 kWh/year. Multiply that by the 3200+ PCs
running 24-7 at my place of employment and you have a serious energy bill.
Imagine paying nearly $225,000 each year for all those PCs to run
idle most of the time. At the cost of increased productivity, my
company happily pays its exorbitant electric bill each month. Meanwhile, thousands of tons of CO2 are being released into the air
just to generate enough electricity to keep these computers burning
all night long when nobody is using them.
There has to be a better solution that
is both energy saving and productive. A Win-Win for business and the
ENTER SLEEP MODE:
FYI: Sleep mode retains all your
running applications in memory but powers off everything else.
Thanks to a few green innovations over
the past couple years, Modern PCs (newer than 2009) in sleep mode
draw less than a few watts. My high-end, dual monitor workstation
consumes 134 watts when I'm actively working but draws only 3 watts
when in sleep mode.
The next morning, a quick nudge brings
the PC from its green slumber back to full power productivity in under
12 seconds. Even faster if you have a SSD drive. No 20 minute
morning scans, no periods of endless IT bloat. All the windows are
just how I left them the night before. The only thing different is
the electric bill.
Sleep mode is by far the the most
productive and energy saving choice. A true Win-Win.
HORRAY for Sleep mode!!