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Adam: lot of contextual measures in the SCI, so not sure yet on how to incorporate this / if it should be incorporated |
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As the SCI is currently drafted, market based measures like EACs, RECs, offsets, PPAs, etc are excluded from the calculation. The specification attempts to assess the emissions caused by running that software, making the marginal emissions rate in that region relevant. SCI promotes creating energy efficient applications, targeted for practitioners, hence market-based strategies are excluded at this point. In the Microsoft example, you should use the regional emissions factor, not zero. This may be a topic if conversation in future versions of the spec. |
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Adam: what guidance can we give to people who are looking to pick a vendor? |
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Henry: we should have a guide for choosing a vendor |
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Anything where we say give your money to X instead of Y should be avoided for now. It's something that's come up many times and is planned to be explored in the Policy Working Group. A "Green Product/Service Certification". But it's something we'll carefully explore as there are lots of thorny issues here and as such we should make sure we are covered from a legal standpoint. We can I think safely for now provide what we think the attributes of a good vendor are vs. a bad vendor and leave it to the user to make their own decisions. |
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The specification regarding location-based marginal carbon emissions states:
_Location-based measures the grid carbon intensity of a regional balancing authority. From a developer perspective, only the location-based info is important for having an impact on reducing carbon emissions. This excludes market-based measures, and is distinct from 100% renewable energy claims.
The only figure that matters if you’re trying to optimize the scheduling of your compute in real-time is the marginal emissions intensity. This is the emissions intensity of the marginal power plant which will be turned up if you schedule some compute (e.g. increase electricity demand from the grid) at that moment._
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