Why all the hype about "green" analysers when CO2 accounts for only 3% of
the greenhouse gases (water vapour about 95%) and man's contribution to the
atmospheric CO2 is only 2% of that? i.e. our CO2 emissions contribute only
0.06% to the worlds total greenhouse gases. What effect are we really going
to have?
Looking on the bright side, reducing electricity consumption will save money
and reduce our consumption of energy sources.
Regards,
Martin.
"There is no such thing as renewable energy, even the sun is running out of
fuel."
----- Original Message -----
From: "Myers Martin (LTHTR)" <[log in to unmask]>
To: <[log in to unmask]>
Sent: Tuesday, January 19, 2010 10:07 AM
Subject: Re: More green thoughts.......
We are now looking into the power consumption of analysers (and all
electrical appliances in the lab), looking at standby etc over the 24 hour
period.
When we go out to tender for new equipment we will now have a section on the
carbon footprint of the device. This will encourage manufacturers to assess
the CO2 implications in a way that can be understood (and compared with
other equipment) and to ask the manufacturer's to describe how the analyser
can be "stepped down" when not in use in order to reduce the carbon
footprint over a 24 hour period. The carbon footprint will be used as part
of the overall scoring.
Martin
-----Original Message-----
From: Clinical biochemistry discussion list
[mailto:[log in to unmask]] On Behalf Of David Ricketts
Sent: 19 January 2010 09:43
To: [log in to unmask]
Subject: Re: More green thoughts.......
I wonder what the energy consumption and added air con requirements are for
running TLA 24/7, inappropriate automation may cost more than we think!!
David
-----Original Message-----
From: Clinical biochemistry discussion list
[mailto:[log in to unmask]] On Behalf Of Richard Jones
[Pathology]
Sent: 18 January 2010 17:46
To: [log in to unmask]
Subject: Re: More green thoughts.......
My energy meter comes from CurrentCost www.currentcost.com but is the same
as that supplied by many UK energy companies. I hadn't seen the Google
solution but there is an open source community developing using some nice
monitoring tools to do similar things. Many of these are built by Lab IT
guys in their spare time and offered for free! See
http://www.pachube.com/feeds/2119
Whether using these on lab electrics to gain carbon trading data would work
would be interesting - they do do 3-phase models so it could work.
Has anyone included energy cost in an invitation to tender or specification
for lab equipment yet?
Rick
________________________________________
From: IT working group of the Association of Clinical Biochemists
[[log in to unmask]] On Behalf Of Webster Craig
[[log in to unmask]]
Sent: 18 January 2010 16:59
To: [log in to unmask]
Subject: Re: More green thoughts.......
Fascinating stuff this. I heard on the radio about a company that had
introduced internal carbon trading whereby employees got bonuses or fines
(real cash) depending on their carbon usage for the year. Apparently it
worked very well in reducing carbon footprints.
I've been trying in vain to find out what the company was to try and get
hold of the spreadsheet the employees used to submit their carbon budgets
every month. I thought it was on the Today programme but cant find any info.
If anyone else has an idea I'd welcome it.
I've toyed with the idea of the energy meter, I've seen the google
powermeter http://www.google.org/powermeter/ is this similar?
Cheers
Craig
-----Original Message-----
From: IT working group of the Association of Clinical Biochemists
[mailto:[log in to unmask]] On Behalf Of Richard Jones [Pathology]
Sent: 18 January 2010 16:52
To: [log in to unmask]
Subject: Re: More green thoughts.......
In answer to Jonathan - no haven't factored in the heating effect.
But then the aircon is on full pelt too in our labs pumping heat round and
round not to mention the freezers in the corridors.
Helpful in winter but a nigtmare in summer.
Fitted an energy meter at home recently - fascinating to see what energy the
central heating pump consumes on its own - a lot more than a PC.
PCs were just one target - I'm sure there are others and for 10:10 every
little helps.
Dr Rick Jones
________________________________
From: IT working group of the Association of Clinical Biochemists
[[log in to unmask]] On Behalf Of Jonathan Middle [[log in to unmask]]
Sent: 18 January 2010 15:12
To: [log in to unmask]
Subject: Re: More green thoughts.......
I was giben an 'Ecobutton' gizmo for Christmas.
When you are finished your task you hit the button and the computer and
monitor are switched to a very low power state.
To wake it up again, you either hit any key or briefly touch the main box
power button depending on the O/S you use.
It briefly displays how much energy and CO2 release you have saved in the
period switched off.
Cheers
Jonathan
On Mon, Jan 18, 2010 at 11:23 AM, Jonathan Kay
<[log in to unmask]<mailto:[log in to unmask]>> wrote:
Thanks. This is important.
1 Different computers have very different power consumption:
http://www.sust-it.net/energy_saving.php?id=20
http://www.sust-it.net/energy_saving.php?id=21&sd=0&tariff=38
http://www.sust-it.net/energy_saving.php?id=139&sd=0&tariff=38
2 Stop printing
3 But:
You have to calculate whether the space would have been heated or cooled
anyway. In many UK buildings they would have had to be heated, so the
penalty of running a computer or leaving it on overnight can be discounted
by quite a large degree. Is this in those calculations already?
Jonathan
PS: I've just renovated an old house. We're waiting to see whether heat
recovery ventilation saves what we calculated... it certainly gives a nice
well-ventilated feel, and shifts the water efficiently
PPS: The new Oxford Cancer Centre uses ground heat source pumps.
On 18 Jan 2010, at 10:53, Richard Jones [Pathology] wrote:
The 10:10 Campaign (see link on
www.laboratorymedicine.nhs.uk<http://www.laboratorymedicine.nhs.uk>) is
going for a 10% CO2 reduction in 2010. How far could labs go towards such a
target?
As a result of initial investigations by Martin Myers it's been estimated
that a typical UK lab will have a electricity consumption equivalent to
about 1,000,000 Kgs of CO2. One potential target to reduce that is to
address the consumption of electricity by PCs. As a rough calculation a 100
watt computer will generate about 376 kg CO2 per year if left on 24/7. If we
have 200 computers in a Pathology service then this will be 75,000kg CO2 per
year. If 75% are turned off at night and weekends then this (i.e. 50 on
permanently, 150 turned off at night and weekends) will generate about
40,000Kg CO2 savings per year. That's 4% towards a 10% total. At a
conservative 10p per kWh that's about £10k pa at domestic rates.
Questions:
How to recover the saving?
- Behaviour change? - staff incentives - audits
- Automated PC standby software? (see
http://co2saver.snap.com/)<http://co2saver.snap.com/%29>
Any other ideas and has anyone done it already?
I've attached a crude xls calculator which does some of the calculations
for a typical lab using some simple assumptions. Anyone feel like improving
/ testing it?
Rick Jones
<GreenPC.xls>
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