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White paperCitation2023

WP#90 - Assessment of the Use of SPEC SERT Suite Measured Data to Create a Data Center Work per Energy Metric

The Green Grid · TGG External ITE Metric Research Work Group

A Green Grid white paper recommending that the European Commission use SERT measured data to estimate total and utilised ICT work capacity and average utilisation.

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Overview

WP#90 is a Green Grid white paper dated 29 August 2023, prepared by the TGG External ITE Metric Research Work Group. It recommends that the European Commission (EC) use SPEC SERT measured data. The purpose is to estimate total and utilised ICT work capacity and average utilisation in data centres. The keywords are SERT, SPEC and EU. Access requires a free account sign-in; the record rests only on the abstract on the public page.

The paper is groundwork for the ITWC metric in WP#94. The approach set out here thus forms the basis of the work-capacity metric that was formalised in the next white paper. This link shows that WP#90 is not a stand-alone measurement method but the first stage of a wider metric development process. SERT is SPEC's server energy-efficiency rating tool; its measured data reflect the work and power behaviour of servers at different load levels.

The document has a regulatory context: Delegated Regulation (EU) 2024/1364 is named as the related standard. It is therefore relevant for data centre operators who must report under EU rules and want to understand how work capacity can be calculated from SERT-derived values. The subject is reporting under the energy efficiency directive (EED). How SERT-derived values will carry into reporting is therefore a matter that operators need to prepare for.

The record does not contain the method details, formulas or worked examples; these appear only in the full text. The paper addresses the EC as a recommendation document and so is not a binding calculation method for operators. A reader should consult the documents themselves for details and for the relationship with WP#94. The document is a technical recommendation to the regulator, not a binding method for operators.

Key points

  1. The white paper is dated 29 August 2023.
  2. It recommends that the EC use SPEC SERT measured data.
  3. The purpose is to estimate total and utilised ICT work capacity and average utilisation.
  4. Keywords: SERT, SPEC, EU.
  5. It is groundwork for the ITWC metric in WP#94.
  6. Related regulation: Delegated Regulation (EU) 2024/1364.
  7. Prepared by the TGG External ITE Metric Research Work Group.
  8. Access requires a free account sign-in; the record rests on the public page abstract.

Using it in design

  • For EED reporting, prepare to compute work capacity from SERT-derived values (see WP#94).
  • Define fields in the server catalogue to hold SERT measured data.
  • Follow EU reporting requirements together with Delegated Regulation (EU) 2024/1364.
  • State in reports that the work-capacity approach used rests on a recommendation document.

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Who should read it

Data centre operators reporting on energy efficiency in the EU, compliance consultants and engineers developing metrics.

Related standards

  • Delegated Regulation (EU) 2024/1364

Publication details

Authors
TGG External ITE Metric Research Work Group
Publisher
The Green Grid
Year
2023
Document number
WP 90
Document language
English
Source type
Industry body
Access
Citation only
Licence
Copyright retained; citation only — the publisher’s terms apply to the original document
Original licence note

Download requires a free TGG account sign-in and is governed by The Green Grid Terms of Use; summary and facts from the public library landing page; full text not redistributed.

Citation

TGG External ITE Metric Research Work Group (2023). WP#90 - Assessment of the Use of SPEC SERT Suite Measured Data to Create a Data Center Work per Energy Metric. The Green Grid. WP 90. https://www.thegreengrid.org/en/resources/library-and-tools/566-WP%2390-ASSESSMENT-OF-THE-USE-OF--SPEC%C2%AE-SERT%C2%AE-SUITE-MEASURED-DATA-TO-CREATE-A-DATA-CENTER-WORK-PER-ENERGY-METRIC

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