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Energy · head to head

ETAP vs Fronius SOLARWEB

ETAP logo

ETAP

Energy

Electrical power system design and analysis software

From
$5000/year
Rated
-
Full reviewWebsite
Fronius SOLARWEB logo

Fronius SOLARWEB

Energy

Solar inverter monitoring and analytics platform

From
Free
Rated
-
Full reviewWebsite

The short version

  • Only Fronius SOLARWEB has a free tier, so it costs nothing to try first.
  • Each has a real cost: ETAP no pricing is published, and reaching a figure requires completing a multi step quote form; Fronius SOLARWEB only works optimally with Fronius hardware; monitoring of third-party inverters is not supported
  • They diverge on capability: ETAP covers Load flow analysis, Fronius SOLARWEB covers Real-time monitoring.
  • Prices and features above were last checked on 30 August 2026.

Where they differ

Only the attributes on which ETAP and Fronius SOLARWEB actually diverge.

Attributes where ETAP and Fronius SOLARWEB differ
AttributeETAPFronius SOLARWEB
Starting price$5000/yearFree
Pricing modelsubscriptionUnknown
Free tierNoYes
PlatformsWindows, ApiWeb, iOS, Android
Founded19861945

Identical on both: 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 ETAP

  • Load flow analysis
  • Short circuit analysis
  • Arc flash analysis
  • Protective device coordination
  • Harmonics analysis
  • Transient stability
  • Cable sizing
  • Panel schedule design

Only in Fronius SOLARWEB

  • Real-time monitoring
  • Performance analytics
  • System optimization
  • Alert notifications
  • Mobile app
  • SSL encryption
  • Web support
  • Mobile support

Both cover

  • Cloud deployment

What people use each for

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

ETAP

  • Electrical power system modelling, simulation and analysisnot Fronius SOLARWEB
  • Arc flash, load flow and protection coordination studiesnot Fronius SOLARWEB

Fronius SOLARWEB

  • System monitoringnot ETAP
  • Performance trackingnot ETAP

Where each one falls short

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

ETAP

  • No pricing is published, and reaching a figure requires completing a multi step quote form
  • Subscription durations offered are 3 years and 5 years, so there is no short commitment option
  • Licences are banded by user count rather than sold individually, in brackets of 1, 5 to 15, 15 to 25, 25 to 50 and over 50
  • National and international network licences are priced separately

Fronius SOLARWEB

  • Only works optimally with Fronius hardware; monitoring of third-party inverters is not supported
  • Advanced historical analytics and forecasting features require paid premium subscription
  • Requires stable internet connectivity and cloud connection for all functionality
  • String-level diagnostics require onsite inspection to identify which panel within a string is failing

Pricing, plan by plan

ETAP

$5000/year
  • Standard$5000/year
    • Load flow analysis
    • Short circuit analysis
    • Arc flash analysis
  • Professional$15000/year
    • Advanced analysis
    • Protective device coordination
    • Harmonics analysis
  • Enterprise$undefined/year
    • Real-time monitoring
    • SCADA integration
    • Custom modules

Fronius SOLARWEB

Free
  • BasicFree
    • Real-time energy monitoring
    • Daily/monthly/yearly production charts
    • Battery storage monitoring

Which should you pick?

Choose ETAP if

  • You need load flow analysis.
  • You work on Windows, Api.
  • You also want short circuit analysis.
ETAP review

Choose Fronius SOLARWEB if

  • You need real-time monitoring.
  • You want to start without paying.
  • You work on Web, iOS, Android.
  • You also want performance analytics.
Fronius SOLARWEB review

Questions people ask

Is ETAP or Fronius SOLARWEB better?
Neither clearly leads. ETAP starts at $5000/year and Fronius SOLARWEB at Free, and user ratings are close enough to be indistinguishable. Choose on capability and platform support.
Which is cheaper, ETAP or Fronius SOLARWEB?
Fronius SOLARWEB has a free tier; the other does not. Paid plans start at $5000/year for ETAP and Free for Fronius SOLARWEB.
Does ETAP or Fronius SOLARWEB run on more platforms?
ETAP runs on Windows, Api. Fronius SOLARWEB runs on Web, iOS, Android.
Can I use Fronius SOLARWEB for free?
Yes. Fronius SOLARWEB has a free tier, so you can try it without paying. ETAP starts at $5000/year.
What is ETAP best used for?
ETAP is most often used for electrical power system modelling, simulation and analysis, arc flash, load flow and protection coordination studies. Of those, electrical power system modelling, simulation and analysis and arc flash, load flow and protection coordination studies are not what Fronius SOLARWEB is typically brought in for.
What can ETAP do that Fronius SOLARWEB cannot?
ETAP covers Load flow analysis, Short circuit analysis, Arc flash analysis, Protective device coordination. Fronius SOLARWEB covers Real-time monitoring, Performance analytics, System optimization, Alert notifications. Both handle Cloud deployment.

Answered from the vendors’ own pages

ETAP: How is ETAP priced?

ETAP uses subscription-based pricing with tiered bundles (Launch, Grow, Scale) and optional add-ons. Specific prices are not published and require completing a quote request form.

Source
Fronius SOLARWEB: Does Fronius Solar.web work offline?

No, Fronius Solar.web requires stable internet connectivity as it is a cloud-based monitoring platform.

Source
ETAP: What products does ETAP offer pricing for?

ETAP offers three main product lines with tiered bundles: CANECO (Electrical Design), ETAP (Power Systems Analysis), and SEE Electrical (Electrical Engineering). Each supports 1-50+ users with 3-5 year term options.

Source
Fronius SOLARWEB: What is the cost of Fronius Solar.web?

The basic version is completely free for registered Fronius hardware users. A premium subscription is available for advanced analytics and forecasting features, though specific pricing is not disclosed on the website.

Source
Fronius SOLARWEB: What Fronius products work with Solar.web?

Solar.web monitors Fronius inverters, smart meters, battery storage systems, and EV charging products. Advanced features like energy optimization require compatible GEN24/Verto inverters.

Source
Fronius SOLARWEB: Does Fronius Solar.web have a mobile app?

Yes, Solar.web offers native iOS and Android mobile applications for real-time monitoring.

Source
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