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Generating Insight from Big Data in Energy and the
EnvironmentDavid Wallom
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W ICK ED
http://www.energy.ox.ac.uk/wicked/W ICK ED
14 July 2015
Scale matters for problems and solutions in the built environment
“stock” at the city, national, international scale
The building(or leaseable unit)
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W ICK ED
http://www.energy.ox.ac.uk/wicked/W ICK ED
14 July 2015
Scale matters for problems and solutions in the built environment
“stock” at the city, national, international scale
The building(or leaseable unit)
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W ICK ED
http://www.energy.ox.ac.uk/wicked/W ICK ED
14 July 2015
Scale matters for problems and solutions in the built environment
“stock” at the city, national, international scale
The building(or leaseable unit)
The Challenge• In UK, £1.7 Bn of energy
consumed is not managed • Large businesses waste around
15% of energy due to lack of efficiency measures & understanding
• £5Bn spent on new buildings each year, which use 2 to 3 times more energy than designed
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W ICK ED
http://www.energy.ox.ac.uk/wicked/W ICK ED
Energy usage in retail premises
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W ICK ED
http://www.energy.ox.ac.uk/wicked/W ICK ED
Clustering electricity load profiles using Bayesian clustering on domestic energy consumption
Data from EC FP7 DEHEMS
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W ICK ED
http://www.energy.ox.ac.uk/wicked/W ICK ED
Clustering electricity load profiles using Bayesian clustering on domestic energy consumption
Examples: A black box tamper: A device, often concealed in a black box (hence the name), is fitted to an electricity meter to either stop the index, slow it down or even reverse the reading. Index Tamper: Directly altering the recorded total consumption via meter breach
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W ICK ED
http://www.energy.ox.ac.uk/wicked/W ICK ED
Normalised daily power demand profiles for all businesses by sector (Top Level SIC Classification)
Commercial energy consumption and real time pricing Analyse the impact of introduction of time-of-use and real-
time pricing strategies
Data from Opus Energy Ltd
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W ICK ED
http://www.energy.ox.ac.uk/wicked/W ICK ED
Commercial energy consumption and real time pricing Analyse the impact of introduction of time-of-use and real-
time pricing strategies
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W ICK ED
http://www.energy.ox.ac.uk/wicked/W ICK ED
Turning Data into Actionable Information; Predicting and classifying costs with a shift in tariff type, e.g.
shifting to a real-time tariff from a fixed price tariff, Clustering of load profiles, determining behaviour type and/or
consumer response, detecting energy theft Determining fundamental drivers of energy consumption and
improving understanding. Create commercial value
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The weather@home regional modelling project
• High impact weather events are typically rare and unpredictable.– Flooding– Heatwave– Drought
• They also involve small scales.
• Resolution provided by nested regional model.
• Modify boundary conditions to mimic counter-factual “world that might have been”.
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UK Winter 2014 Floods• 39726 simulations• 2014 flooding described as
a 1 in 100 year event in terms of rainfall volume
• Return time plot shows this has become a 1 in 80 year in terms of risk
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UK Winter 2014 Floods• 39726 simulations• 2014 flooding described as
a 1 in 100 year event in terms of rainfall volume
• Return time plot shows this has become a 1 in 80 year in terms of risk
• Risk of a very wet winter has increased by 25%
(Schaller et al, Jan 16, NCC)
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World Weather Attribution
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