Dataport and NILMTK: A Building Data Set Designed for Non-intrusive - PowerPoint PPT Presentation

Dataport and NILMTK: A Building Data Set Designed for Non-intrusive Load Monitoring Oliver Parson, Grant Fisher, April Hersey, Nipun Batra, Jack Kelly, Amarjeet Singh, William KnoBenbelt, Alex Rogers osp@ecs.soton.ac.uk blog.oliverparson.co.uk 1

3500 Oven Fridge 3000 Dishwasher Kitchen outlets 1 Kitchen outlets 2 2500 Kitchen outlets 3 Kitchen outlets 4 2000 Lights 1 Power (W) Lights 2 Lights 3 1500 Washing machine Microwave Bathroom GFI 1000 Electric heater Stove 500 0 00:00 01:00 02:00 03:00 04:00 05:00 06:00 07:00 Time 2

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Not all houses were created equally… 7

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Old way Dataport server NILMTK Database HDF5 NILMTK downloader & converter NILMTK HDF5 9

New way Dataport server NILMTK Database HDF5 NILMTK converter NILMTK NILMTK HDF5 HDF5 10

The Dataport HDF5 file • 669 households • Up to 23 circuit-level meters per household • 1 measurement per minute • 1 month data per household • 1 GB in size 11

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Challenge: blind disaggregaJon 15

equally either… Not all appliances were created Proportion of aggregate 0 . 0 0 . 2 0 . 4 0 . 6 0 . 8 1 . 0 air conditioner appliance dish washer electric furnace electric hot tub heater electric space heater electric swimming pool heater electric vehicle electric water heating appliance freezer fridge light microwave oven security alarm sockets spin dryer stove unknown washer dryer washing machine waste disposal unit 16

3 second power measurements 17

1 minute power measurements 18

1 minute energy measurements 19

Conclusion • Dataport is the world’s largest source of disaggregated energy data (and it’s free*) • The NILMTK HDF5 format makes this data set easy to use for energy disaggregaaon • Dataport + NILMTK makes it very easy to invesagate blind disaggregaaon algorithms https://dataport.pecanstreet.org/data/database?hdf5 20