WP#85 - 230V Enterprise PSU Market-Ready Efficiency Study
The Green Grid · TGG Power Distribution System Work Group
The Green Grid study of whether existing 230 V enterprise server power supplies meet the efficiency levels set by EU ErP Lot 9 for 2023.
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Overview
The Green Grid WP 85 is dated 4 January 2022 and was produced by the TGG Power Distribution System Work Group. The study examines whether existing 230 V enterprise server power supply units (PSUs) meet the efficiency levels set by EU ErP Lot 9 for 2023.
The scope is limited to 230 V enterprise power supply units. The study works as a market-readiness check: it asks whether the regulation's levels are met by the products actually on the market, not just in theory. It assesses whether units will or will not meet the established efficiencies.
The related regulation is Regulation (EU) 2019/424, known as Lot 9. The study therefore gives useful context for setting power supply efficiency defaults in EU projects.
As a limitation, the page carries no measurement results or product-level findings; only the scope and purpose of the study are conveyed.
Key points
- Dated 4 January 2022; produced by the TGG Power Distribution System Work Group.
- Examines existing PSUs against the EU ErP Lot 9 efficiency levels for 2023.
- Scope is 230 V enterprise power supply units.
- Assesses whether units will or will not meet the established efficiencies.
- Related regulation: Regulation (EU) 2019/424.
- Useful for PSU efficiency defaults in EU projects.
Using it in design
- For EU sites, default server PSU efficiency to the Lot 9 (Regulation (EU) 2019/424) minimum.
- Flag user-entered values that fall below that minimum.
- Keep PSU efficiency assumptions as a separate parameter in the electrical loss calculation.
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Who should read it
Designers calculating electrical load and efficiency for EU data centres, and server procurement specialists.
Related standards
- Regulation (EU) 2019/424
Publication details
- Authors
- TGG Power Distribution System Work Group
- Publisher
- The Green Grid
- Year
- 2022
- Document number
- WP 85
- 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 Power Distribution System Work Group (2022). WP#85 - 230V Enterprise PSU Market-Ready Efficiency Study. The Green Grid. WP 85. https://www.thegreengrid.org/en/resources/library-and-tools/538-WP%2385-230V-ENTERPRISE-PSU-MARKET-READY-EFFICIENCY-STUDY
Events on this subject
- Electricity Eurasia 2027
- The smarter E Europe (Intersolar Europe, ees Europe, Power2Drive, EM-Power)
- ELECO 2026 Elektrik-Elektronik ve Biyomedikal Mühendisliği Konferansı
All content and rights belong to the respective authors and publishers. SoSo CAD provides only the citation, its own summary and a link to the source, and is not responsible for the sources' content.
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