[26852] in resnet
Re: eco-friendly computing labs
daemon@ATHENA.MIT.EDU (Doughty, Marc)
Thu Oct 13 11:13:04 2011
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Date: Thu, 13 Oct 2011 11:09:18 -0400
Reply-To: Resnet Forum <RESNET-L@listserv.nd.edu>
From: "Doughty, Marc" <marc_doughty@BROWN.EDU>
To: RESNET-L@listserv.nd.edu
In-Reply-To: <4E962C55.1080401@lehigh.edu>
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We use Group Policy to set a power plan in the labs. Previously only the
screens would sleep, but now the computers themselves go to bed after 30
minutes inactivity at the login screen (the AutoLogoff screensaver ends idle
sessions after 15 minutes, so nobody is ever 'sleeped-off' their machine).
I don't have hard numbers, but our computers consume about 80 watts each at
idle, and stats look like they're 'asleep' about 50% of the time... There
are 250 of them... At 8 cents a kilowatt-hour, that's about $7K a year in
savings (my math might be WAY off). It also reduces cooling costs
dramatically; there are rooms that used to have 24/7 'boosted' AC units that
are off most of the time now.
So... Fifteen minutes in GPMC saves $15K a year, and keeps about a bazillion
pounds of CO2 out of the atmosphere.
- Marc Doughty
"If you aren't sure who is the give-way vessel, you are the give-way
vessel."
On Wed, Oct 12, 2011 at 8:09 PM, Stacey Kimmel-Smith <sek2@lehigh.edu>wrote:
> Hi,
>
> I'm interested in finding out what other institutions are doing to make
> their existing public computing labs more green/environmentally friendly.
> From power saving techniques to reducing default margins on WORD software,
> making eco-friendly fonts available, whatever. Please share!
>
> Thanks,
>
> Stacey Kimmel-Smith
> Lehigh University
>
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We use Group Policy to set a power plan in the labs. Previously only the sc=
reens would sleep, but now the computers themselves go to bed after 30 minu=
tes inactivity at the login screen (the AutoLogoff screensaver ends idle se=
ssions after 15 minutes, so nobody is ever 'sleeped-off' their mach=
ine).<br>
<br>I don't have hard numbers, but our computers consume about 80 watts=
each at idle, and stats look like they're 'asleep' about 50% o=
f the time... There are 250 of them... At 8 cents a kilowatt-hour, that'=
;s about $7K a year in savings (my math might be WAY off). It also reduces =
cooling costs dramatically; there are rooms that used to have 24/7 'boo=
sted' AC units that are off most of the time now.<br>
<br>So... Fifteen minutes in GPMC saves $15K a year, and keeps about a bazi=
llion pounds of CO2 out of the atmosphere.<br clear=3D"all"><br>- Marc Doug=
hty<br>"If you aren't sure who is the give-way vessel, you are the=
give-way vessel."<br>
<br><br><div class=3D"gmail_quote">On Wed, Oct 12, 2011 at 8:09 PM, Stacey =
Kimmel-Smith <span dir=3D"ltr"><<a href=3D"mailto:sek2@lehigh.edu">sek2@=
lehigh.edu</a>></span> wrote:<br><blockquote class=3D"gmail_quote" style=
=3D"margin:0 0 0 .8ex;border-left:1px #ccc solid;padding-left:1ex;">
Hi,<br>
<br>
I'm interested in finding out what other institutions are doing to make=
their existing public computing labs more green/environmentally friendly. =
From power saving techniques to reducing default margins on WORD software, =
making eco-friendly fonts available, whatever. Please share!<br>
<br>
Thanks,<br>
<br>
Stacey Kimmel-Smith<br>
Lehigh University<br>
<br>
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</blockquote></div><br>
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