Topic guide

Energy

Discover publications on data centre energy consumption, power demand and efficiency. Investigate measurement methods, operating conditions and improvement approaches through summaries and original references.

Sources
416
Downloadable PDFs
122
Years
2007–2026

All sources

217–240 / 416

Research paperPDF

Sensors (MDPI AG) 2022

Prediction of Overall Energy Consumption of Data Centers in Different Locations

In siting, do not use PUE as the only criterion; evaluate it together with electricity cost (tariff) and carbon (CUE, grid mix) estimates derived from PUE, since a low-PUE site may have a high tariff or carbon-intensive grid.

  • For an assumed 100 million kWh/yr of IT energy, estimated annual electricity cost ranged from $8.1376M (Delinha) to $9.6742M (Yinchuan) among five regions.
Research paperCitation

Energy and Buildings (Elsevier) 2021

Prototype energy models for data centers

Use the prototype densities and the approach-temperature concept to calibrate the tool's hourly cooling model and containment effectiveness.

  • The models follow ASHRAE 90.1 minimum requirements across vintages.
Research paperFree to read

arXiv preprint (Oklahoma State University / New York University) 2026

Regime-Adaptive Weighted Ensemble Learning for Computing-Driven Dynamic Load Forecasting in AI Data Centers

For operations and grid-interaction features, use regime-aware (idle/ramp/high) minute-resolution IT load forecasting with job-scheduler signals (active jobs) as inputs, rather than only historical kW.

  • Relative to the strongest baseline (1D-CNN) the method improves NRMSE by 66.1% and NMAE by 80.2%.
Technical guidePDF

European Commission 2026

Report from the Commission to the European Parliament and the Council on the energy efficiency of data centres in the EU - COM(2026) 500 final

Set the PUE target for new designs against the bands in the report (below 1.2 excellent, above 1.5 needs improvement) and possible future minimum-standard thresholds, noting that the 500-1000 kW class averaged 1.64.

  • EU data centres consumed 68 TWh of electricity in 2024, expected to reach 114 TWh by 2030 (3.2% of EU electricity).
RegulationPDF

European Commission, DG ENER (Viegand Maagoe and COWI) 2023

Reporting requirements on the energy performance and sustainability of data centres for the Energy Efficiency Directive - Task A report: Options for a reporting scheme for data centres

Add an "in scope of EED Article 12" check that computes installed IT power from nominal IT equipment power and compares it with the final-text 500 kW threshold, not the 100 kW proposed in this report.

  • Average PUE of 4-5 for small data centres is quoted from the EURECA project.
Research paperPDF

Sustainability (MDPI AG) 2026

Retrofit Optimization of Raised-Floor Plenum Thermal Performance for Energy-Efficient and Sustainable Operation of Non-Standard Campus Data Centers

For plenum imbalance, consider a 50%-perforated transverse baffle about 0.3 m from the unit outlet; 50% open gave a smaller resistance increase than 30% (8.5% against 18.7%).

  • For S4, SHI fell from 0.42 to 0.35, maximum rack inlet temperature fell from 27.2 °C to 26.7 °C, and all racks met the 27 °C ASHRAE recommended limit.
Research paperPDF

IEEE Access (Institute of Electrical and Electronics Engineers (IEEE)) 2026

Review of the 800-VDC Power Delivery Architecture and Isolated 800-V to 48-V Converter Solutions for Future AI Data Centers

Define 800 VDC unipolar, ±400 VDC bipolar and 48/54 VDC busbar as separate voltage classes in the single-line diagram, each with its own conductor ampacity, breaker pole count and clearance (IEC 60664-1) checks.

  • The OCP Open Rack V3 PSU specification targets above 97.5% peak efficiency and at least 96.5% across 30%-100% load.
Research paperPDF

Building Simulation (Springer Science and Business Media LLC) 2020

Simulation-based assessment of data center waste heat utilization using aquifer thermal energy storage of a university campus

When considering connecting a data centre to an ATES, make the yearly heat balance (imported versus exported heat) the first feasibility check; a continuously cooling data centre can shift it toward heat rejection.

  • Cooperation with ATES improves average PUE from 1.78 to 1.45.
Research paperPDF

Energies (MDPI AG) 2026

Smart Reuse of Waste Heat from Data Centres: Energy and Exergy Analysis for a District-Heating Network in Bulgaria

Set data-centre setpoints (air temperature, free-cooling threshold) together with waste-heat sales: warmer setpoints and more free cooling cut cooling electricity by about 45% but also cut recoverable heat to about 45%.

  • Centralised DH heat pumps are cited as giving COP 3-5 for supply temperatures up to 70-80 °C.

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