What is the difference between machine submetering and portfolio EMS?

3 min readLast updated last updated

Direct answer

Machine submetering measures consumption at installation, line or machine level. A portfolio EMS looks more broadly at sites, meters, contracts, costs, peaks and reporting. Submetering is strong for detailed diagnosis; portfolio EMS is stronger for overview, prioritisation and multi-site decision-making.

  • Submetering gives detail at installation level
  • Portfolio EMS gives overview across sites
  • Hardware is not always the first step
  • The combination can be strong for complex energy questions
Comparison between machine submetering and portfolio EMS
In practiceComparison between machine submetering and portfolio EMS

Machine submetering versus portfolio EMS

Organisations sometimes compare hardware-focused submetering solutions with EMS platforms. That is not always fair: they solve different problems. The choice depends on whether you want to measure detailed consumption within a process or rather get a grip on sites, contracts and management reporting.

Key points

Submetering answers: which machine or installation consumes energy?
Portfolio EMS answers: which site, meter or contract needs attention?
In practice, the two can complement each other.

Level

Traditional approach

Machine, installation, line or process.

Modern approach

Site, meter, building, contract and portfolio.

Goal

Traditional approach

Detailed diagnosis and process optimisation.

Modern approach

Overview, reporting, prioritisation and decision-making.

Data

Traditional approach

Extra hardware meters or sensors.

Modern approach

Smart meter data, EANs, sites and contract context.

User

Traditional approach

Operations, production, engineering.

Modern approach

Facility, finance, management, purchasing and energy team.

When do you choose submetering?

Submetering fits when you want to know exactly which machine, installation or production line uses energy and when existing measurement data is too coarse for that.

  • Process optimisation at machine level.
  • Unknown consumption within a building or line.
  • Technical analysis of installations.
  • Proof needed for specific measures.

When do you choose portfolio EMS?

Portfolio EMS fits when you want an overview across multiple sites, meters or contracts and want to use energy insights for reporting, purchasing or priorities.

  • Multiple sites or buildings.
  • Central reporting to management.
  • Track costs, peaks and contracted capacity.
  • Compare over time and between sites.

Can both work together?

Yes. A portfolio EMS can show where deeper analysis is needed. Submetering can then investigate the cause further at that site or installation.

  • First determine portfolio priorities.
  • Then deploy detailed measurement where needed.
  • Justify hardware costs in a targeted way.
  • Bring insights back to management level.

Curious what this looks like with your own data?

In a no-obligation call, a specialist looks at your meters, sites and energy questions with you. Response within one business day.

Where this adds value directly

Detailed diagnosis

Measure machines or installations separately where needed.

Portfolio

Keep an overview of sites, meters and contracts.

Priority

Determine where deeper analysis or hardware is worthwhile.

Frequently asked questions

Practical answers to common questions about this topic.

Question not covered here?

Ask a specialist directly. You will get a response within one business day.

Ask your question

Is machine submetering better than an EMS?

Not better, but different. Submetering is better for detailed measurements; an EMS is better for overview, reporting and decision-making across multiple sites or meters.

Do I need to install hardware first?

Not always. You can often start with existing smart meter data and only install hardware where the analysis shows that detailed measurement is needed.

How does this relate to Sensorfact?

Sensorfact is mainly known for hardware and submetering. A portfolio EMS focuses more broadly on sites, contracts, reporting and decision information.

What is the core of machine submetering portfolio EMS?

Machine submetering measures consumption at installation, line or machine level. A portfolio EMS looks more broadly at sites, meters, contracts, costs, peaks and reporting. Submetering is strong for detailed diagnosis; portfolio EMS is stronger for overview, prioritisation and multi-site decision-making.

What data do I need for machine submetering portfolio EMS?

Start with quarter-hour meter data, invoices, contract data and site characteristics. That makes machine submetering portfolio EMS concrete, comparable and easier to follow up, rather than just a separate report.

When does this topic become relevant for my organisation?

As soon as it touches costs, grid capacity, reporting or daily operations. Also consider related themes such as machine submetering, Sensorfact alternative and portfolio EMS.

Search the knowledge base

Find the answer to your question.

Search using your own words. Abbreviations and spelling variants are recognised, so EMS also finds the articles on energy management systems.

12 of 387 articlesFrequently searched

Curious what this means for your organisation?

Book a no-obligation call and discover it with your own energy data.

Get in touch

Let your energy data work for you.

Book a no-obligation call. We discuss your energy question, look at your own metering data and whether structural insight adds value.

  • Response within one working day
  • Dashboard with your own data
  • Supplier-independent
  • No commitments
Book a no-obligation call