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Energy · head to head

PowerFactory DIgSILENT vs Fronius SOLARWEB

PowerFactory DIgSILENT logo

PowerFactory DIgSILENT

Energy

Advanced power system analysis and grid simulation

From
On request
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: PowerFactory DIgSILENT no prices are published; the product pages only offer Request a Quotation and Demo Request; Fronius SOLARWEB only works optimally with Fronius hardware; monitoring of third-party inverters is not supported
  • They diverge on capability: PowerFactory DIgSILENT covers Load flow calculation, 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 PowerFactory DIgSILENT and Fronius SOLARWEB actually diverge.

Attributes where PowerFactory DIgSILENT and Fronius SOLARWEB differ
AttributePowerFactory DIgSILENTFronius SOLARWEB
Starting priceOn requestFree
Pricing modelquoteUnknown
Free tierNoYes
PlatformsWindows, Linux, ApiWeb, iOS, Android
Founded19851945

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 PowerFactory DIgSILENT

  • Load flow calculation
  • Short-circuit analysis
  • RMS and EMT simulation
  • Harmonic analysis
  • Stability analysis
  • Protection coordination
  • Renewable energy integration
  • Scripting and automation

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.

PowerFactory DIgSILENT

  • Power system load flow, short circuit and stability analysis for transmission and distribution networksnot Fronius SOLARWEB
  • Grid code compliance studies and protection coordinationnot Fronius SOLARWEB
  • Modelling renewables and distributed generation integrationnot Fronius SOLARWEB

Fronius SOLARWEB

  • System monitoringnot PowerFactory DIgSILENT
  • Performance trackingnot PowerFactory DIgSILENT

Where each one falls short

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

PowerFactory DIgSILENT

  • No prices are published; the product pages only offer Request a Quotation and Demo Request
  • The commercial licence is sold by node count, in tiers of 100, 250, 500 or unlimited nodes
  • Functions are sold as a configurable package rather than included, so advanced modules are priced separately
  • Support, maintenance and upgrades are included only for the first 12 months of a perpetual licence and then require an annual maintenance contract
  • The number of concurrent users on the Multi-User Edition is limited to the number of licences purchased
  • A floating licence used on a local machine is time limited to a maximum of 30 days
  • Centralised project data on Oracle, SQL Server or PostgreSQL requires the Team Edition; Single-User and Multi-User editions use a local SQLite database
  • Education licences are capped at 50 nodes and forbid commercial use
  • Student licences are capped at 50 nodes, are cloud softkey only and expire 12 months from issue

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

PowerFactory DIgSILENT

On request

No published plan breakdown. See the PowerFactory DIgSILENT review.

Fronius SOLARWEB

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

Which should you pick?

Choose PowerFactory DIgSILENT if

  • You need load flow calculation.
  • You work on Windows, Linux, Api.
  • You also want short-circuit analysis.
PowerFactory DIgSILENT 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 PowerFactory DIgSILENT or Fronius SOLARWEB better?
Neither clearly leads. PowerFactory DIgSILENT starts at On request and Fronius SOLARWEB at Free, and user ratings are close enough to be indistinguishable. Choose on capability and platform support.
Which is cheaper, PowerFactory DIgSILENT or Fronius SOLARWEB?
Fronius SOLARWEB has a free tier; the other does not. Paid plans start at On request for PowerFactory DIgSILENT and Free for Fronius SOLARWEB.
Does PowerFactory DIgSILENT or Fronius SOLARWEB run on more platforms?
PowerFactory DIgSILENT runs on Windows, Linux, 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. PowerFactory DIgSILENT starts at On request.
What is PowerFactory DIgSILENT best used for?
PowerFactory DIgSILENT is most often used for power system load flow, short circuit and stability analysis for transmission and distribution networks, grid code compliance studies and protection coordination, modelling renewables and distributed generation integration. Of those, power system load flow, short circuit and stability analysis for transmission and distribution networks and grid code compliance studies and protection coordination are not what Fronius SOLARWEB is typically brought in for.
What can PowerFactory DIgSILENT do that Fronius SOLARWEB cannot?
PowerFactory DIgSILENT covers Load flow calculation, Short-circuit analysis, RMS and EMT simulation, Harmonic analysis. Fronius SOLARWEB covers Real-time monitoring, Performance analytics, System optimization, Alert notifications. Both handle Cloud deployment.

Answered from the vendors’ own pages

PowerFactory DIgSILENT: How does DIgSILENT PowerFactory licensing work?

PowerFactory offers flexible software editions and licensing options. Customers must request a quotation from DIgSILENT to get pricing based on their specific needs and applications. A demo request option is also available.

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
PowerFactory DIgSILENT: What training and support does DIgSILENT offer?

DIgSILENT provides training courses that can be booked directly. Customers also have access to a knowledge base, license migration assistance, and customer portal. Support services include consulting, testing and certification, and IT projects.

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
PowerFactory DIgSILENT: Is there a demo version available?

Yes, DIgSILENT offers demo requests for PowerFactory and StationWare products. Prospective customers can contact DIgSILENT directly to schedule a demonstration of the software capabilities.

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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