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GN3 Green networking workshop – Zero carbon: renewable energy. Teleworking Jørgen Moth, UNI-C SURFnet , Utrecht 5-6 March 2012. Zero carbon : Clean electricity. Zero carbon : Import clean electricity. Zero carbon : Move power or data?. HVDC cable Norway-Netherland :

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Gn3 green networking workshop zero carbon renewable energy

GN3 Green networking workshop– Zero carbon: renewable energy

Teleworking

JørgenMoth, UNI-C

SURFnet, Utrecht 5-6 March 2012


Zero carbon clean electricity
Zerocarbon:Cleanelectricity


Zero carbon import clean electricity
Zerocarbon:Import cleanelectricity


Zero carbon move power or data
Zerocarbon:Move power or data?

HVDC cableNorway-Netherland :

Transporting power for a 1MW data center costsabout 30kW

(3% loss)

Move the data center to Norway and use an optical link:

Opticalamplificationcostsabout 1kW


Zero carbon teleworking move data instead of people
Zero Carbon:Teleworking – move data instead of people

0,5%

?


Zero carbon smart 2020 anticipations and claims
Zero carbon:Smart 2020 anticipations and claims


Zero carbon teleworking exercise
Zero carbon:Teleworking- Exercise

  • “SMART 2020” claims:

  • Enabled by wired or wireless networks, teleworking may save 0,26 Gt CO2e/year out of 51,9 Gt in 2020

  • Try to support this claim:

  • Estimate the number of days working from home and calculate the transportation emission savings.


Zero carbon teleworking emission factors
Zero carbon:Teleworking– emission factors

  • Public Danish emission factors are used:

    • Car – 175 g CO2e / km

    • Bus – 90 g CO2e / passenger km

    • Regional train – 42 g CO2e / passenger km

    • Metro – 16 g CO2e / passenger km


Zero carbon teleworking uni c study results
Zero carbon:Teleworking– UNI-C study results

  • 319 kg in 5 weeks scales to about 3 tonnes per year for 30 employees

  • Each Dane emits about 10 tonnes of CO2e per year

  • 3 tonnes is a 1% reduction of the 300 tonnes for 30 employees

  • The SMART 2020 claim is ½ % of the “business as usual” estimate of year 2020.

  • Our study thus supports this claim

  • An extra gain of this study has been to raise the GHG emission awareness of UNI-C’s employees


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