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Why it helps

Lower energy spend. Carbon targets met. Savings you can prove.

Energy is one of the largest operating costs in any data centre or cloud estate, and the pressure to cut it, and the carbon that comes with it, keeps rising. PWRwise gives engineers and planners the trusted intelligence to act on that pressure, and gives finance and sustainability teams the evidence that it worked.

The pressure on operators

Efficiency has stalled while demand and scrutiny grow

The industry's easy wins have been taken. What remains is hidden in the detail: individual cooling units, idle servers, unused capacity and unreliable data.

1.54

Average data centre PUE, essentially unchanged for six years1

~30%

of servers found "comatose": powered on but doing no useful work for six months or more2

500 kW

IT load above which EU data centres must report energy and sustainability KPIs every year3

Up to 3×

growth projected in US data centre electricity use, from 176 TWh (2023) to 325–580 TWh by 20284

Why existing approaches fall short

From monitoring to intelligence

Most operators already have a BMS, a DCIM tool and cloud consoles. They show what is happening; they rarely say what it means, what it costs or what to do.

AreaTypical todayWith PWRwise
DataSiloed by vendor and system; bad readings flow straight into reportsOne platform for every vendor, with every reading authenticated and quality-scored
Finding wasteSpotted in an annual audit or after a failure, often months laterAnomalies flagged within hours against expected behaviour for the current workload
AlertsThreshold alarms with no cause, cost or owner; alert fatigueRoot cause, owner, deadline and £ impact on every alert
Compute utilisationIdle servers and oversized cloud instances go unnoticedUtilisation tied to energy and cost, with consolidation and rightsizing recommendations
Capacity planningSpreadsheets and rules of thumb; surprises force emergency spendValidated forecasts weeks ahead, with what-if scenarios across sites
Carbon reportingEstimates and supplier summaries assembled by handMeasured Scope 2 (location and market-based) with an audit trail to the meter
On-premise and cloudManaged by different teams with different numbersOne view of energy, cost and carbon across halls, colocation and cloud
Three objectives, one platform

How the intelligence layer moves the numbers that matter

Engineers and planners use PWRwise to hit three linked goals. Each saving in one usually helps the other two.

OBJECTIVE 01

Reduce energy spending

Cut the kilowatt-hours that don't do useful work, and pay less for the ones that do.

  • Detect overcooling and drifting equipment early
  • Trace leakage from grid to IT, device by device
  • Consolidate idle servers and rightsize cloud instances
  • Shift flexible load to cheaper tariff windows
EXAMPLE FINDING£47,000 / yrOne CRAC unit overcooling due to valve stiction, fixed with a single maintenance visit
OBJECTIVE 02

Reach carbon targets

Know your real emissions, then reduce them where it counts most.

  • Measured Scope 2, location- and market-based
  • Carbon per site, hall and workload (CUE)
  • Shift batch work to low-carbon grids and hours
  • Track renewable certificates against consumption
EXAMPLE FINDING340 t CO₂ / yrReduction by tuning one site's cooling and moving night-time batch load to a 78% renewable grid
OBJECTIVE 03

Drive cost savings

Spend capital and operating budget only where the data says it's needed.

  • Defer new capacity by reclaiming stranded power
  • Avoid emergency procurement with early warnings
  • Right-size colocation and cloud commitments
  • Prioritise fixes by £ value, not by who shouts loudest
EXAMPLE FINDING£2.1MEmergency procurement risk avoided by forecasting a capacity breach 11 weeks ahead

Example findings are illustrative, from the PWRwise simulation of a three-site operator.

Estimate your opportunity

What could better intelligence be worth to you?

Enter a few figures about one site. Adjust the improvement assumptions to match your own view; a portfolio assessment replaces them with your real data.

Your site

Approximate figures are fine.

Industry average is about 1.54
Roughly 100–200 g/kWh for the UK grid in recent years
IMPROVEMENT ASSUMPTIONS
From fixing anomalies, set-point tuning and leakage
From consolidating idle and underused servers

Today

Annual energy, cost and emissions for this site

Energy
Cost
Emissions
Today
With PWRwise
■ IT energy■ Cooling & overhead
ESTIMATED ANNUAL SAVING
Energy saved
CO₂ avoided
New PUE

An indicative estimate, not a quote. Assumes constant load over 8,760 hours per year. Actual results depend on your site, contracts and the findings of an assessment.

Turn your energy data into decisions

Book a portfolio assessment and we'll show you where the savings are, what they're worth, and who should act on them.