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Energy · head to head

Pulse Energy Software vs Stem Athena

Pulse Energy Software logo

Pulse Energy Software

Energy

Grid modernization and smart utility software

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: Pulse Energy Software limited public information on platform specifications and technical architecture since becoming part of Enel X's broader offerings; Stem Athena stem's site names the product PowerTrack Optimizer, formerly Athena, so the Athena name is retired
  • They diverge on capability: Pulse Energy Software covers DER management, Stem Athena covers AI optimization.
  • Prices and features above were last checked on 30 August 2026.

Where they differ

Only the attributes on which Pulse Energy Software and Stem Athena actually diverge.

Attributes where Pulse Energy Software and Stem Athena differ
AttributePulse Energy SoftwareStem Athena
Pricing modelquotesubscription
PlatformsWeb, MobileWeb, Mobile, Api
Founded20062009

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 Pulse Energy Software

  • DER management
  • Demand response
  • Grid analytics
  • Voltage optimization
  • Reporting tools
  • SSL encryption
  • On-premise deployment
  • Web support

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.

Pulse Energy Software

  • Grid modernizationnot Stem Athena
  • DER managementnot Stem Athena

Stem Athena

  • Energy asset optimization and managementnot Pulse Energy Software
  • Renewable energy integrationnot Pulse Energy Software
  • Energy storage managementnot Pulse Energy Software
  • Grid operations optimizationnot Pulse Energy Software

Where each one falls short

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

Pulse Energy Software

  • Limited public information on platform specifications and technical architecture since becoming part of Enel X's broader offerings
  • Focus on commercial and industrial customers means less functionality for residential utility programs
  • Steep cost of implementation and training for utility companies transitioning from legacy systems

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

Pulse Energy Software

On request

No published plan breakdown. See the Pulse Energy Software 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 Pulse Energy Software if

  • You need der management.
  • You work on Web, Mobile.
  • You also want demand response.
Pulse Energy Software 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 Pulse Energy Software or Stem Athena better?
Neither clearly leads. Pulse Energy Software 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, Pulse Energy Software or Stem Athena?
Pulse Energy Software starts at On request and Stem Athena at On request.
Does Pulse Energy Software or Stem Athena run on more platforms?
Pulse Energy Software runs on Web, Mobile. Stem Athena runs on Web, Mobile, Api.
What is Pulse Energy Software best used for?
Pulse Energy Software is most often used for grid modernization, der management. Of those, grid modernization and der management are not what Stem Athena is typically brought in for.
What can Pulse Energy Software do that Stem Athena cannot?
Pulse Energy Software covers DER management, Demand response, Grid analytics, Voltage optimization. Stem Athena covers AI optimization, Energy storage management, Demand charge reduction, Grid services. Both handle Cloud deployment.

Answered from the vendors’ own pages

Pulse Energy Software: What is Pulse Energy Software?

Pulse Energy is a customer engagement and energy intelligence platform for utilities' commercial and industrial customers. It helps utilities deliver energy efficiency recommendations, engage occupants in conservation, and measure energy performance.

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
Pulse Energy Software: Who owns Pulse Energy now?

Pulse Energy was acquired by EnerNOC in 2014, which was then acquired by Enel in 2017. EnerNOC was rebranded as Enel X in 2018. Pulse Energy is now part of the Yardi Smart Energy Suite.

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
Pulse Energy Software: What utilities use Pulse Energy?

Major utilities using Pulse Energy include British Gas, PG&E, and BC Hydro. The platform combined with EnerNOC serves 54 utilities worldwide with capabilities to manage 14,000 sites.

Source
Pulse Energy Software: What data does Pulse Energy collect?

Pulse Energy collects real-time energy information from commercial buildings, performing fault detection, identifying energy-saving anomalies, and measuring financial and environmental performance for utilities and their commercial customers.

Source
Pulse Energy Software: Does Pulse Energy integrate with other platforms?

Pulse Energy provides APIs and integration capabilities. As part of Yardi's energy suite, it integrates with utility billing, energy procurement, and sustainability solutions.

Source
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