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Energy · head to head

Landis+Gyr Gridstream vs Wattwatchers EMS

Landis+Gyr Gridstream logo

Landis+Gyr Gridstream

Energy

Advanced metering infrastructure and grid edge intelligence

From
On request
Rated
-
Full reviewWebsite
Wattwatchers EMS logo

Wattwatchers EMS

Energy

Smart building energy management system

From
On request
Rated
-
Full reviewWebsite

The short version

  • Each has a real cost: Landis+Gyr Gridstream the platform depends on Landis+Gyr metering hardware, including electric, gas and water meters plus communication network devices, rather than being sold as software alone; Wattwatchers EMS requires hardware installation at each monitoring point, increasing total cost of ownership
  • They diverge on capability: Landis+Gyr Gridstream covers Advanced metering infrastructure, Wattwatchers EMS covers Real-time monitoring.
  • Prices and features above were last checked on 30 August 2026.

Where they differ

Only the attributes on which Landis+Gyr Gridstream and Wattwatchers EMS actually diverge.

Attributes where Landis+Gyr Gridstream and Wattwatchers EMS differ
AttributeLandis+Gyr GridstreamWattwatchers EMS
Pricing modelquoteUnknown
PlatformsWeb, ApiWeb, iOS, Android, Cloud
Founded18962007

Identical on both: starting price (On request), free tier (No), user rating (Not yet rated), category (Energy).

What each one covers

Drawn from each product's published feature list. An absence here means we hold no record of it - not that the product lacks it.

Only in Landis+Gyr Gridstream

  • Advanced metering infrastructure
  • Real-time meter data
  • Grid edge analytics
  • Distribution automation
  • Outage detection
  • Voltage monitoring
  • Load profiling
  • Remote connect/disconnect

Only in Wattwatchers EMS

  • Real-time monitoring
  • Energy analytics
  • Smart recommendations
  • Alert system
  • Mobile app
  • Home Assistant
  • Google Home
  • SSL encryption

Both cover

  • Cloud deployment

What people use each for

The jobs each tool is most often brought in to do.

Landis+Gyr Gridstream

  • Advanced metering infrastructure for electricity, gas and water utilitiesnot Wattwatchers EMS
  • Edge device connectivity and orchestration through the Gridstream Connect Apps Ecosystemnot Wattwatchers EMS
  • Coordinating distributed energy resources to balance grid supply and demandnot Wattwatchers EMS
  • Energy performance monitoring and analysis for utilitiesnot Wattwatchers EMS

Wattwatchers EMS

  • Energy optimizationnot Landis+Gyr Gridstream
  • Cost reductionnot Landis+Gyr Gridstream

Where each one falls short

Documented limitations, not opinions. Every one is a constraint you would hit in normal use.

Landis+Gyr Gridstream

  • The platform depends on Landis+Gyr metering hardware, including electric, gas and water meters plus communication network devices, rather than being sold as software alone
  • No price, licensing model or subscription term is published on the solutions pages; the site offers only a contact form and a distributor finder
  • Deployment, integration and ongoing optimisation are sold as separate Lifecycle Services rather than included

Wattwatchers EMS

  • Requires hardware installation at each monitoring point, increasing total cost of ownership
  • Built for small to medium portfolios; scaling to large portfolios may present usability challenges
  • Limited to energy monitoring; not a comprehensive building management system

Pricing, plan by plan

Landis+Gyr Gridstream

On request

No published plan breakdown. See the Landis+Gyr Gridstream review.

Wattwatchers EMS

On request

No published plan breakdown. See the Wattwatchers EMS review.

Which should you pick?

Choose Landis+Gyr Gridstream if

  • You need advanced metering infrastructure.
  • You work on Web, Api.
  • You also want real-time meter data.
Landis+Gyr Gridstream review

Choose Wattwatchers EMS if

  • You need real-time monitoring.
  • You work on Web, iOS, Android, Cloud.
  • You also want energy analytics.
Wattwatchers EMS review

Questions people ask

Is Landis+Gyr Gridstream or Wattwatchers EMS better?
Neither clearly leads. Landis+Gyr Gridstream starts at On request and Wattwatchers EMS at On request, and user ratings are close enough to be indistinguishable. Choose on capability and platform support.
Which is cheaper, Landis+Gyr Gridstream or Wattwatchers EMS?
Landis+Gyr Gridstream starts at On request and Wattwatchers EMS at On request.
Does Landis+Gyr Gridstream or Wattwatchers EMS run on more platforms?
Landis+Gyr Gridstream runs on Web, Api. Wattwatchers EMS runs on Web, iOS, Android, Cloud.
What is Landis+Gyr Gridstream best used for?
Landis+Gyr Gridstream is most often used for advanced metering infrastructure for electricity, gas and water utilities, edge device connectivity and orchestration through the gridstream connect apps ecosystem, coordinating distributed energy resources to balance grid supply and demand, energy performance monitoring and analysis for utilities. Of those, advanced metering infrastructure for electricity, gas and water utilities and edge device connectivity and orchestration through the gridstream connect apps ecosystem are not what Wattwatchers EMS is typically brought in for.
What can Landis+Gyr Gridstream do that Wattwatchers EMS cannot?
Landis+Gyr Gridstream covers Advanced metering infrastructure, Real-time meter data, Grid edge analytics, Distribution automation. Wattwatchers EMS covers Real-time monitoring, Energy analytics, Smart recommendations, Alert system. Both handle Cloud deployment.

Answered from the vendors’ own pages

Landis+Gyr Gridstream: How much does Landis+Gyr GridStream cost?

Landis+Gyr does not publish pricing on their website. Contact Landis+Gyr directly through their contact forms, reach out to a local distributor, or contact their sales team for pricing information.

Source
Wattwatchers EMS: What data does Wattwatchers monitor?

Wattwatchers measures consumption at the device or circuit level in real-time, identifies equipment inefficiencies, and streams data through cloud dashboards for detailed energy consumption pattern analysis.

Source
Landis+Gyr Gridstream: How do I request Landis+Gyr pricing?

Use the website contact form, reach out to a local distributor, log in as an existing customer, or contact Landis+Gyr sales directly for pricing details.

Source
Wattwatchers EMS: What web-based tools does Wattwatchers provide?

Wattwatchers provides Fleet Management for fleet overview and device health, an Onboarding tool for smartphone-based device configuration, and a Dashboard for customers to view sites and data.

Source
Wattwatchers EMS: What is the mydata.energy app?

mydata.energy is Wattwatchers' mobile application available on iPhone and Android that provides real-time energy management and monitoring for homes and small businesses.

Source
Wattwatchers EMS: How does ADEPT help with energy management?

ADEPT is Wattwatchers' agile development platform for distributed energy that enables fleet analytics, real-time performance analysis, and zero-code prototyping of custom analytics rules.

Source
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