Energy management

See Where Energy Is Used — and Where It Can Be Improved

A monthly utility bill tells you what was spent. Sub-metering and equipment data tell you where, when and why — which is what you need to change it.

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The business problem

One bill, no visibility

Without sub-metering, energy is a single monthly figure covering an entire building. Comparisons between buildings ignore differences in size, occupancy and operating hours. Efficiency projects are chosen from vendor claims rather than measured load, and savings cannot be verified afterwards.

Consumption known only at building levelComparisons not normalised for size or occupancyEfficiency work chosen without load dataSavings unverifiable after implementation

The IntelliGrid approach

Consumption attributed, normalised and explained

Meter and sub-meter data are attributed to systems, tenancies and equipment, normalised for area and occupancy, and read alongside the operational events that explain movement — a chiller running outside schedule, a failed control, a change in occupancy.

Consumption attributed to systems and tenanciesIntensity normalised for comparison across buildingsMovement explained against operational eventsAnomalies raised as corrective work orders

Capabilities

Energy capabilities

Meter data

Main incoming supply consumption and demand captured continuously.

Sub-metering

Attribution by system, floor, tenancy or major equipment.

Baseline

A defined reference period against which movement is measured.

Building comparison

Intensity per square metre and per occupant across the portfolio.

Peak demand

Demand profile and peak events with tariff implications.

HVAC performance

Plant efficiency assessed against load and ambient conditions.

Equipment performance

Consumption per asset as an indicator of condition.

Anomaly detection

Unexpected consumption identified against the baseline profile.

Forecasting

Expected consumption given schedule, occupancy and weather.

Optimisation

Prioritised opportunities with indicative impact.

Workflow

From reading to saving

STEP 1

Meter

Consumption captured at main and sub-meter level.

STEP 2

Attribute

Usage assigned to systems, spaces and equipment.

STEP 3

Baseline

Normal profile established for comparison.

STEP 4

Detect

Deviation and waste identified.

STEP 5

Act

Corrective or optimisation work raised.

STEP 6

Verify

Post-implementation consumption measured against baseline.

Business benefits

Consumption attributable to systems rather than buildings Waste identified in days rather than at year end Efficiency projects selected from measured load Savings verified against a defined baseline Tariff and peak exposure understood and managed