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Lightening the LoadEmpowering Individuals to Reduce Their
Electricity Consumption at Home
Malcolm McCulloch [email protected]
Rebecca Ford [email protected]
Research conducted by the Engineering Department at the University of Oxford (www.eng.ox.ac.uk) and Navetas (www.navetas.com)
Navetas Energy Management Ltd. [email protected]
Design with reference to
behavioral psychology
Research conducted by the Engineering Department at the University of Oxford (www.eng.ox.ac.uk) and Navetas (www.navetas.co.uk)
MOTIVATE
ENABLE
ENCOURAGE
INFORM
Target specific behaviors Tailor information Behavior commitments
Immediate and disaggregated feedback Graphical comparative context
Engaging interactive feedback platform Community dimension
USABILITY
Easy to install and use Cost effective
Marketing Initial installation literature
Appliance signatures
When an appliance draws power it generates a signature, which may be likened to a
fingerprint, allowing us to identify the appliance by monitoring the voltage and current
Research conducted by the Engineering Department at the University of Oxford (www.eng.ox.ac.uk) and Navetas (www.navetas.co.uk)
Appliance signature
User dependent
FSM
Electrical interface -transient
Electrical interface –
steady state
Time of day
Appliance groups
Time dependent
probability of appliance
switching states
Start up or switch off transients
Duration of use transients
Power
Harmonics
Shape of current/power
Features in current/power
Components in electrical
interface
Navetas Energy Monitor
Research conducted by the Engineering Department at the University of Oxford (www.eng.ox.ac.uk) and Navetas (www.navetas.com)
Single point of measurement
Detects appliances using signatures
Transmits data to displays
In home display WebsitePhone apps
Research conducted by the Engineering Department at the University of Oxford (www.eng.ox.ac.uk) and Navetas (www.navetas.com)
Research conducted by the Engineering Department at the University of Oxford (www.eng.ox.ac.uk) and Navetas (www.navetas.com)
Research conducted by the Engineering Department at the University of Oxford (www.eng.ox.ac.uk) and Navetas (www.navetas.com)
Research conducted by the Engineering Department at the University of Oxford (www.eng.ox.ac.uk) and Navetas (www.navetas.com)
Research conducted by the Engineering Department at the University of Oxford (www.eng.ox.ac.uk) and Navetas (www.navetas.com)
Research conducted by the Engineering Department at the University of Oxford (www.eng.ox.ac.uk) and Navetas (www.navetas.com)
Research conducted by the Engineering Department at the University of Oxford (www.eng.ox.ac.uk) and Navetas (www.navetas.com)
Research conducted by the Engineering Department at the University of Oxford (www.eng.ox.ac.uk) and Navetas (www.navetas.com)
Future challenges
Research conducted by the Engineering Department at the University of Oxford (www.eng.ox.ac.uk) and Navetas (www.navetas.co.uk)
What is the best way to present information
to the user?
Motivate initial actions
Provide encouragement for effective and
persistent results
