16_ “Green” charging E-Mobility

When is it “greener” to charge an electric car?

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 What is it about?

Electric mobility is a “green” alternative to conventional gasoline and diesel cars. But can it get any “greener”? Can we find a way to reduce the environmental impact of electric car charging even more? When is it “greener” to charge an electric car in winter or in summer? Let’s find out!

Challenge:

With the help of data of CO2 equivalent emissions of electricity production and consumption in Switzerland, we want to analyze what is the environmental impact of charging electric cars. In addition to this, we want to develop a logic in order to charge electric cars as “green” as possible during the day, taking into account the environmental impact of electricity with respect to the time of the day and the different seasons.

Data:

We will provide data of CO2 equivalent emissions of electricity production and consumption for Switzerland and charging stations consumption data. Open data from various sources can also be used.

Title

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greenchargingemobility

Open Energy Data Hackdays 2021

Link to challenge on Hackdays. Please join this challenge!

Meter data format

  • 'id': Unclear, not used.
  • 'Chargepoint': The unique identifier (number or UUID) of the physical charging station. One station can have more than one cable, and hence more than one charging session.
  • 'connector': The unique identifier (number or UUID) of the physical cable or attached device. In some cases, a cable can be left in the charging station for a long period of time, and used for multiple charging stations.
  • 'chargelogid': The unique identifier (number or UUID) of a particular session charging a battery
  • 'metervalue': Not used
  • 'increment': The amount of energy transferred (in watt-hours) in the last 15 minutes (i.e. up to the 'timestamp' value)
  • 'timestamp': The time of measurement in UTC.

CO2 data format

Columns are renamed to fit those used in the notebook here.

Generic columns

  • 'datetime': The time of measurement in UTC.
  • 'co2_intensity': The CO2 intensity (g co2/kWh)
  • 'co2_production': The CO2 intensity of Swiss production (g co2/kWh)
  • 'co2_import': The CO2 intensity of imported electricity (g co2/kWh)

Power in the CH consumption mix (production plus imports minus exports)

All values in MW * 'nuclear * 'geothermal' * 'biomass' * 'coal' * 'wind' * 'solar' * 'hydro' * 'gas' * 'oil * 'unknown' * 'battery' * 'hydro'

Coding standards

Please store notebooks in the Notebooks directory.

Please store data in the Data directory. It will be ignored by git. The data files should be named:

  • CH 2020-2021.csv
  • metervaluespseudonymized2_neu.csv
  • metervaluespseudonymized1_neu.csv

Data peculiarities

  • An increment with values of more than 5500 Wh does not make sense. The maximum power of chargers is 22 kW. The data should be cleaned by removing all values of all chargelogids that have at least one value of increment > 5500 Wh.
  • Some values for 'Chargepoint' are NaN. Luckily this is only the case where the connector is identified by a UUID. Hence we can replace the NaN with a unique number based on the connector UUID

Event finished

25.09.2021 15:00

Worked on the pitch

25.09.2021 11:36 ~ martin_baldinger

Readme updated

24.09.2021 16:28 ~ martin_baldinger

Output nicer graph from Martin's work

made some analysis on how the co2 intensity looks like on a per day and hour basis (@martinbaldinger-ekz)

Merge remote-tracking branch 'origin/main' into main

made some analysis on how the co2 intensity looks like on a per day and hour basis

Add notebook to merge in CO2 values to meter energy consumption

Worked on the pitch

24.09.2021 14:50 ~ martin_baldinger

all systems go

24.09.2021 14:49 ~ martin_baldinger

Add files via upload

Merged the two metervalue files and deleted all chargelogids with at least one increment > 5500. (@fabiofuerst)

Worked on the pitch

24.09.2021 14:08 ~ martin_baldinger

martin_baldinger has joined!

24.09.2021 14:02

Update Merge meter with CO2 data.ipynb

bugfix (@martinbaldinger-ekz)

replace NaN Chargepoints in Notebook template.ipynb

replace NaN Chargepoints in Notebook_Martin.ipynb

Merge remote-tracking branch 'origin/main' into main

replace NaN Chargepoints in Notebook_Martin.ipynb

Update readme with CO2 dataframe labels

Create Merge meter with CO2 data.ipynb

added units for carbon intensity file to README.md (@martinbaldinger-ekz)

Create Template with joined clean meter data.ipynb

data clean-up guideline for increments > 5500: remove the whole chargelogid (@martinbaldinger-ekz)

Add note on maximum charging

Add template notebook

Add data directory

Update readme with coding standards

Create .gitignore

Merge pull request #5 from cmutel/patch-1

Update README.md with data format

Update README.md

Initial commit (@invveritas)

Event started

24.09.2021 08:30

Worked on the pitch

03.09.2021 13:25 ~ Maud

Project started

Initialized by Maud 🎉

03.09.2021 13:24
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Energy Data Hackdays 2021