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Chaque kilowatt rattaché à la ligne qui l’a consommé.

L’énergie est l’un des plus gros postes de coût et d’émissions d’une usine, et pourtant la plupart des sites n’en connaissent que la facture. Le sous-comptage de l’électricité, du gaz, de la vapeur, de l’air comprimé et de l’eau par ligne et par machine, avec les données de production, montre où va l’énergie, où elle est gaspillée et ce que valait chaque économie.

Industrie

Industrie

Mesures

4

Sources citées

3

1. Industrie · Gestion de l’énergie en usine

   Only the bill

   Energy is one of a factory’s largest costs and emission sources, yet most plants see only the monthly bill. Without knowing which line, machine or utility uses what, savings are guesses. Energy audits and management systems ask for measured data, and submetering supplies it.

2. Ce qui est mesuré

   Every utility, by line

   Submeters at distribution boards and machines measure electricity every minute, flow meters measure gas, steam, compressed air and water on main branches, and line counters bring in production output, so energy can be set against what it produced. Every instrument keeps its calibration and position with the site record.

   Instruments

   Electricity submeters · Flow meters · Production counters

3. Le nœud de base

   Energy per unit

   The node computes energy per unit of output for every line, detects base load between shifts and compressed air leaks at night, forecasts the next peak and verifies each saving against a baseline normalised for output and weather. Every value is signed at the node before it leaves.

4. Radio et liaisons

   On the plant network

   Most plants have a network, and metering joins it through the edge node. Remote sites and utility buildings without the plant network use cellular. Production data join from the production system for normalisation. When one path fails, the other carries the data.

   Liaisons

   Fibre · Réseau mobile public

5. Comment ça marche

   From a night flow to a fixed leak

   Compressed air flow stays high every night with the lines stopped. The node flags a base load equal to a large compressor. Maintenance walks the network with an ultrasonic detector, finds and fixes a dozen leaks, and the next month’s verified saving is recorded against the baseline.

6. De la commande à l’exploitation · Commande

   Scope the energy flows

   The scope reads bills, single-line diagrams, utility schematics, production data and existing meters. Nexus Observatory Inc. returns the metering plan by significant energy use, the analysis, measurement and verification design and a price per plant and per year. The scope is agreed before any site work begins.

   Planifier un déploiement

7. De la commande à l’exploitation · Relevé

   Survey boards and branches

   Crews survey distribution boards, utility branches and production lines with the energy manager: meter points, current transformer sizes, flow meter positions and network access. Significant energy uses are confirmed. Findings shape the kit for each site before anything is built.

8. De la commande à l’exploitation · Autorisations

   Sécurité électrique

   Work in live boards follows the plant’s electrical safety rules and permits, usually in planned windows. Utility branches are isolated for flow meter fitting. Every permit is kept with the plant record. No crew goes to site before its approvals are in place.

9. De la commande à l’exploitation · Fabrication

   Build and configure

   Meters and gateways are configured with the single-line diagram, nodes enrolled with their identities and loaded with line and production mappings. The system is tested together before shipping. Nothing ships until the whole kit has passed its tests together. Test results travel with the kit to the site.

   Ouvrir le configurateur de stations

10. De la commande à l’exploitation · Installation

    Install in planned windows

    Crews fit meters and current transformers in boards, flow meters on utility branches, and gateways and the node, connecting the production system. Every meter is labelled with its board and circuit. Crews follow the site safety plan throughout the work.

11. De la commande à l’exploitation · Mise en service

    Commission against the bill

    Chaque nœud prouve son identité. Submeter totals are reconciled with the utility meters, flows with the utility plant, and baselines for each significant use are set from weeks of data normalised for output. Acceptance is recorded with the owner before handover.

12. De la commande à l’exploitation · Exploitation

    Find and prove savings

    Energy managers see energy per unit of output, waste between shifts and peaks. Leaks are fixed, idle machines switched off and peaks shaved, and each saving is verified against its baseline for audits and certification. Every alert and action is kept on the record.

13. De la commande à l’exploitation · Maintenance

    Verify and recertify

    Meters are checked against utility meters, baselines updated when production changes, software updated in rings, and records prepared for audits and recertification. Every change is kept with the plant record. Maintenance history stays with each site for its whole life.

    Réserver des services sur le terrain

14. Produits de données

    For energy, maintenance and finance

    Energy managers and line managers receive energy per unit of output; maintenance teams receive waste and leak alerts; finance and auditors receive verified savings; sustainability reporting receives energy and emissions records, each tied to line, meter and period. Every product can be traced back to its readings.

    Voir les produits de données

15. Preuves

    Measured and verified

    The programme follows the energy management system standard, savings follow the measurement and verification standard, and records support the audit and management duties of the energy efficiency directive. Every meter, baseline and saving is kept for auditors and certifiers. The record is kept for as long as the duty lasts.

    Référentiels

    ISO 50001 · ISO 50015 · Directive (EU) 2023/1791

16. Ce que vous obtenez

    Surveillance des sites miniers, industriels et portuaires

    Radar de pente, surveillance des parcs à résidus, des poussières et de l’eau, et connectivité du site pour l’exploitation et la fermeture. Fourni sous forme de service géré et matériel + logiciel, pour mining, heavy industry, ports. Scale: Site portfolios. Service levels are written as numbers you can measure on your own dashboard.

    Parler aux ventes

17. Étape suivante

    Planifier avec nous : gestion de l’énergie en usine

    Tell us the site, the measurements and the rules it answers to. We reply with a survey proposal, a design and a scope for factory energy management. An engineer replies with a survey proposal and a scope, and the plan grows from one site to the network you need, at your pace.

    Planifier un déploiementOuvrir le configurateur de stationsOuvrir le Studio

01Le lieu et ses dangers

Où il fonctionne, et ce qui peut mal tourner.

Operating contextEnergy management systems follow the international standard, savings are measured and verified to its companion standard, and large enterprises must carry out energy audits or run a certified energy management system under the energy efficiency directive. Submetering makes both possible.

Dangers

• Bills that show totals but not causes
• Compressed air leaks running day and night
• Machines left running between shifts
• Savings claimed without measurement
• Peak demand charges from coincident loads

02Ce qu’il faut mesurer

Quoi, où, à quelle fréquence, et selon quelles règles.

Chaque mesure indique où elle est prise, à quelle fréquence, et la norme ou la réglementation publique qui la fonde. Les numéros de la colonne des sources ouvrent la source citée plus bas.

03La pile d’observation

D’un module de base à un réseau.

Les mêmes briques à chaque échelle : des instruments et un nœud de base, un site avec sa radio, une flotte exploitée comme un tout, et un réseau fédéré sur le protocole ouvert.

1. 01

   Unité de base

   A metering point: electricity and flow meters on an industrial gateway.

   Build a station →
2. 02

   Site

   A plant: every board, line and utility branch on one node, with the production system joined.

   Plan a site →
3. 03

   Parc

   Every plant of a company on one energy view.

   Managed offers →
4. 04

   Réseau

   Energy and savings records reach auditors, certifiers and reporting through open standards.

   The open protocol →

• 01Compteur d’énergie et de qualité de l’onde
• 02Débitmètre
• 03Station météo compacte
• 04Passerelle OT (OPC UA, Modbus)
• 05Nœud de périphérie (Wedge)
• 06Modem/routeur cellulaire
• 07Terminal fibre

Radio et liaisons

Fibre

Most plants have a network; metering joins it through the edge node.

Radio et liaisons

Réseau mobile public

Remote sites and utility buildings without the plant network use cellular.

Edge computeThe node computes energy per unit of output for every line, detects base load between shifts and compressed air leaks at night, forecasts peaks and verifies each saving against its baseline.

PowerMeters run from the boards they measure; the gateway and node run from the plant supply.

04Comment ça marche

De l’instrument au produit.

Le parcours d’une observation, niveau par niveau, avec l’interface de chaque liaison et une nomenclature en dessous ; puis comment ce nœud devient un site, une flotte et des réseaux fédérés.

05De la commande à l’exploitation

Chaque étape, du premier appel à un site en service.

La même équipe et le même dossier portent le travail, du cadrage à la maintenance.

1. 01 Order

   Scope the energy flows

   The scope reads bills, single-line diagrams, utility schematics, production data and existing meters. Nexus Observatory Inc. returns the metering plan by significant energy use, the analysis, measurement and verification design and a price per plant and per year. The scope is agreed before any site work begins. 13

2. 02 Survey

   Survey boards and branches

   Crews survey distribution boards, utility branches and production lines with the energy manager: meter points, current transformer sizes, flow meter positions and network access. Significant energy uses are confirmed. Findings shape the kit for each site before anything is built. 1

3. 03 Permits

   Sécurité électrique

   Work in live boards follows the plant’s electrical safety rules and permits, usually in planned windows. Utility branches are isolated for flow meter fitting. Every permit is kept with the plant record. No crew goes to site before its approvals are in place.

4. 04 Build

   Build and configure

   Meters and gateways are configured with the single-line diagram, nodes enrolled with their identities and loaded with line and production mappings. The system is tested together before shipping. Nothing ships until the whole kit has passed its tests together. Test results travel with the kit to the site.

5. 05 Install

   Install in planned windows

   Crews fit meters and current transformers in boards, flow meters on utility branches, and gateways and the node, connecting the production system. Every meter is labelled with its board and circuit. Crews follow the site safety plan throughout the work.

6. 06 Commission

   Commission against the bill

   Chaque nœud prouve son identité. Submeter totals are reconciled with the utility meters, flows with the utility plant, and baselines for each significant use are set from weeks of data normalised for output. Acceptance is recorded with the owner before handover. 2

7. 07 Operate

   Find and prove savings

   Energy managers see energy per unit of output, waste between shifts and peaks. Leaks are fixed, idle machines switched off and peaks shaved, and each saving is verified against its baseline for audits and certification. Every alert and action is kept on the record. 23

8. 08 Maintain

   Verify and recertify

   Meters are checked against utility meters, baselines updated when production changes, software updated in rings, and records prepared for audits and recertification. Every change is kept with the plant record. Maintenance history stays with each site for its whole life. 1

06Produits de données et intégration

Ce qu’il fournit, à qui, et dans quels systèmes.

Produits de données

• Energy per unit of outputEnergy managers and line managers
• Alertes de gaspillage et de fuiteÉquipes de maintenance
• Verified savingsFinance and auditors
• Energy and emissions recordsSustainability reporting

Intégration

• Production systemOutput data join from the production system for normalisation.
• Building and utility controlsPeak forecasts reach controls that shed load.
• RapportsRecords feed audits, certification and emissions reporting.

Exchanged through OPC UA, Modbus, ISO 50001 records.

07Questions des acheteurs

Avant de cadrer votre projet.

Will it help with the energy audit?

Yes. Measured data support the audit and certification.

How are savings proven?

Against baselines normalised for output and weather.

Can it find compressed air leaks?

Night and weekend flows show them.

Do we need new networks?

No. It joins the plant network or uses cellular.

08Ressources

Les sources de cette page.

Normes, réglementations et lignes directrices publiques, citées là où elles s’appliquent. Chacune ne s’applique que dans sa juridiction ou son champ.

1. 1ISO 50001: Energy management systemsInternational Organization for Standardization
2. 2ISO 50015: Measurement and verification of energy performance of organizationsInternational Organization for Standardization
3. 3Directive (EU) 2023/1791 on energy efficiencyEuropean Union · 2023

09Voir aussi

Cas d’usage et solutions.

10Industrie : domaines spécialisés

Les autres domaines de cette industrie.

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