warwick network 2008 nick hillard, environment manager the university’s energy challenge
TRANSCRIPT
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Warwick Network 2008Nick Hillard, Environment Manager
The University’s Energy Challenge
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The University’s Energy Challenge
Existing Energy Management
Future Challenges
Warwick HRI – some good news
2 brainstorming exercises to capture your ideas
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Brainstorm 1 Working in pairs
Discuss your domestic energy situation:
Energy provider
Annual costs / recent increases
Energy conservation measures
Be prepared to share the findings with the group
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Energy Management
“..I would particularly urge everyone to reflect on energy use and make special effort to turn off PCs and lights when not in use”
Prof. Nigel Thrift, Vice-Chancellor (14th October 2008)
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Consumption = c.180 million kWh
Energy spend = c.£8 million
Circa 2% of turnover
Carbon footprint = c.42,000 tonnes CO2
Overall target to reduce CO2 footprint by
- 10% by 2010/11
Energy Use
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University of Warwick Main Campus - Total Energy Consumption
0
20
40
60
80
100
120
140
160
180
1995/96 1996/97 1997/98 1998/99 1999/00 2000/01 2001/02 2002/03 2003/04 2004/05 2005/06 2006/07 2007/08
Year
Co
nsu
mp
tio
n (
GW
h)
Year
Tota
l energ
y U
se (
GW
h)
Energy Use
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Energy Costs
0
2
4
6
8
10
12
82/83
84/85
86/87
88/89
90/91
92/93
94/95
96/97
98/99
00/01
02/03
04/05
06/07
08/09
Year
Electricity
Gas
As of 1st Oct 2008
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Energy Management
Energy audits since the 1980’s
Collaborative work between academia and University administration
HE Carbon Management Programme
BREEAM Excellent Target on new builds
Strengthening of energy team
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CHP and District Heating Electricity generation (4.7MWe), heating, hot water
and chilled water (14.1MWth)
Capital costs of circa £5M (annual savings in the region of £1M pa.)
>16km u/g pipework covering c.60%
Maintenance costs less cf. stand alone plant
Optimisation of system includes thermal storage, increasing of summer heat load and ongoing system balancing.
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Food for thought …5no. 1kW wind turbines
Scheduling 1no. CHP engine to switch offbetween midnight and 5am
5 tonnes per annum
25 tonnes per week
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Food for thought … 2kW fan heater is equivalent to running more
than 100 compact fluorescent lights
The standby cost of a vending machine can be £255pa (cf. an overall energy cost of £268)
500W halogen flood lights can be replaced by 60W low energy alternatives
A computer monitor left on standby cf switched off costs up to £10pa.
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Campus development - business as usual:
Power : 12MWe => c.
£3,000,000
Heat : 6MWth => c.£1,000,000
Water : 150,000m3 => c.£250,000
Carbon dioxide emissions => c.50%
Future Challenges
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The Future Planned additions to the network
Complete “ring” through Warwickshire land
New energy centre on Warwickshire land (biomass fuelled)
More absorption cooling for summer
Replacement of stand-alone boilers
Continue to focus on energy conservation
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“45 pledges received”
“7% reduction in electricity use”
“Be an Energy Scroogethis Christmas”
“CIBSE Campaign”
Energy Saving Initiatives
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Energy saving initiatives
“StudentSwitchOff”- 8.6% average reduction ->500 tonnes CO2
Student-led environmental action week – showcases, seminars, petitions, parties etc
The Carbon Academy is an NUS Services project, supported by NUS, People and Planet and the Environmental
Association of Universities and Colleges.
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Brainstorm 2 Working in pairs/threes
Consider your own work area / general university operation
Identify potential projects in the following areas:
One quick-win electricity saving projects
A high profile renewable energy “showpiece”
One “Off the wall” initiative
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The University’s Energy Challenge
Existing Energy Management
Future Challenges
Warwick HRI – some good news
2 brainstorming exercises