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Energy · head to head

Landis+Gyr Gridstream vs Stem Athena

Landis+Gyr Gridstream logo

Landis+Gyr Gridstream

Energy

Advanced metering infrastructure and grid edge intelligence

From
On request
Rated
-
Full reviewWebsite
Stem Athena logo

Stem Athena

Energy

AI-driven clean energy optimization

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; Stem Athena stem's site names the product PowerTrack Optimizer, formerly Athena, so the Athena name is retired
  • They diverge on capability: Landis+Gyr Gridstream covers Advanced metering infrastructure, Stem Athena covers AI optimization.
  • Prices and features above were last checked on 30 August 2026.

Where they differ

Only the attributes on which Landis+Gyr Gridstream and Stem Athena actually diverge.

Attributes where Landis+Gyr Gridstream and Stem Athena differ
AttributeLandis+Gyr GridstreamStem Athena
Pricing modelquotesubscription
PlatformsWeb, ApiWeb, Mobile, Api
Founded18962009

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 Stem Athena

  • AI optimization
  • Energy storage management
  • Demand charge reduction
  • Grid services
  • Solar integration
  • Weather forecasting
  • Performance analytics
  • Remote monitoring

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 Stem Athena
  • Edge device connectivity and orchestration through the Gridstream Connect Apps Ecosystemnot Stem Athena
  • Coordinating distributed energy resources to balance grid supply and demandnot Stem Athena
  • Energy performance monitoring and analysis for utilitiesnot Stem Athena

Stem Athena

  • Energy asset optimization and managementnot Landis+Gyr Gridstream
  • Renewable energy integrationnot Landis+Gyr Gridstream
  • Energy storage managementnot Landis+Gyr Gridstream
  • Grid operations optimizationnot 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

Stem Athena

  • Stem's site names the product PowerTrack Optimizer, formerly Athena, so the Athena name is retired
  • No price, subscription fee or contract term is published anywhere on the site
  • The optimizer is one component of the wider PowerTrack suite alongside separate EMS, SCADA, Power Plant Controller and Logger products rather than a standalone licence
  • Design, procurement, commissioning and operation are sold as managed services separate from the software

Pricing, plan by plan

Landis+Gyr Gridstream

On request

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

Stem Athena

On request
  • Commercial$undefined/custom
    • Energy storage optimization
    • Demand charge management
    • Rate optimization
  • Utility$undefined/custom
    • Grid services
    • VPP management
    • Frequency regulation
  • Enterprise$undefined/custom
    • Fleet management
    • Portfolio optimization
    • Custom integrations

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 Stem Athena if

  • You need ai optimization.
  • You work on Web, Mobile, Api.
  • You also want energy storage management.
Stem Athena review

Questions people ask

Is Landis+Gyr Gridstream or Stem Athena better?
Neither clearly leads. Landis+Gyr Gridstream starts at On request and Stem Athena 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 Stem Athena?
Landis+Gyr Gridstream starts at On request and Stem Athena at On request.
Does Landis+Gyr Gridstream or Stem Athena run on more platforms?
Landis+Gyr Gridstream runs on Web, Api. Stem Athena runs on Web, Mobile, Api.
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 Stem Athena is typically brought in for.
What can Landis+Gyr Gridstream do that Stem Athena cannot?
Landis+Gyr Gridstream covers Advanced metering infrastructure, Real-time meter data, Grid edge analytics, Distribution automation. Stem Athena covers AI optimization, Energy storage management, Demand charge reduction, Grid services. 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
Stem Athena: How much does Stem Athena cost?

Stem does not publish pricing for Athena on its website. The company appears to use a custom enterprise pricing model. Interested customers must contact Stem directly through their website to inquire about pricing and availability.

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
Stem Athena: Does Stem offer a free trial?

The Stem website does not mention a free trial or demo option for Athena. Customers are directed to contact Stem's sales team for information about trial access or pricing.

Source
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