Energy Academy
Sector: Data Centres/Energy Management in Data Centres
Sector17 lessons · 175 min

Energy Management in Data Centres

How a data centre uses energy from grid to chip and chip to sky, PUE and the metrics that matter more, the CCA, uptime and grid landscape, and the airflow, temperature and power-chain fixes that survive a change-control board: capped with a full facility energy audit.

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01The Data Centre & Where Energy Goes

  1. ▶Inside the Data CentreEnterprise, colocation and hyperscale; halls, racks and rising densities; and why the load profile is a flat line that never sleeps.10 min
  2. ▶The Power Chain: Grid to ChipTransformers, UPS and distribution take their cut before a single instruction executes, and redundancy quietly pushes every stage to its least efficient loading.10 min
  3. ▶The Cooling Chain: Chip to SkyEvery IT kilowatt becomes a kilowatt of heat that must leave the building: air, chilled water, economisers and the liquid-cooling shift AI densities are forcing.10 min
  4. ▶Fundamentals CheckQuiz on data centre types, the power chain and the cooling chain.5 min

02PUE, Metrics & Measurement

  1. ▶PUE: The Number Everyone QuotesPower usage effectiveness defined, measured and worked; what good looks like; and the ways the industry's favourite metric flatters and misleads.10 min
  2. ▶Beyond PUE: Utilisation, Water & CarbonPUE ignores whether the IT is doing anything useful: server utilisation, zombie servers, and the water and carbon metrics rising alongside it.10 min
  3. ▶Metering & Monitoring the Data CentreThe measurement points a trustworthy PUE needs, branch-circuit monitoring, and turning a DCIM system into an energy tool rather than an alarm console.9 min
  4. ▶Metrics & Measurement CheckQuiz on PUE, its limits, and data centre metering.5 min

03Regulation, Resilience & the Grid

  1. ▶Uptime Sets the FloorSLAs, tier levels and redundancy are the sector's HACCP: where availability genuinely constrains efficiency, and where it is just the excuse.9 min
  2. ▶The Data Centre CCA, ESOS & ReportingThe sector's own Climate Change Agreement (14.5% improvement on a 2022 baseline by 2030), the reporting schemes, and F-gas on the chiller fleet.10 min
  3. ▶The Grid, Planning & Heat ReuseCritical national infrastructure status, AI growth zones, connection queues, and the push to stop rejecting a town's worth of low-grade heat.10 min
  4. ▶Regulation & Resilience CheckQuiz on uptime constraints, the data centre CCA and the grid landscape.5 min

04Efficiency in Practice

  1. ▶Airflow & Temperature: The Cheap KilowattsContainment, blanking plates and setpoints raised to what the servers actually allow: the fixes that cut cooling energy without touching resilience.10 min
  2. ▶Free Cooling & the Power ChainThe UK climate gives economisers most of the year for free, and the UPS fleet gives back percent after percent once someone checks its loading.10 min
  3. ▶Hands-On: Two Quick DiagnosticsTwo short facility call-outs: a hall whose fans fight their own bypass airflow, and a UPS fleet idling at the worst point on its efficiency curve. Calculate, diagnose and prescribe the fix.12 min
  4. ▶Efficiency in Practice CheckQuiz on airflow, temperature, free cooling and UPS optimisation.5 min

05Capstone Project

  1. ▶Capstone: Audit a Data CentreA full, staged energy audit of a fictional colocation facility: scope it around the resilience constraints, build the IT-and-weather model, compute an honest PUE, and rank what you find.35 min