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Energy · head to head

Fronius SOLARWEB vs HOMER Energy

Fronius SOLARWEB logo

Fronius SOLARWEB

Energy

Solar inverter monitoring and analytics platform

From
Free
Rated
-
Full reviewWebsite
HOMER Energy logo

HOMER Energy

Energy

Microgrid and distributed energy optimization software

From
$187.5/month
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: Fronius SOLARWEB only works optimally with Fronius hardware; monitoring of third-party inverters is not supported; HOMER Energy now owned by UL Solutions rather than being independent
  • They diverge on capability: Fronius SOLARWEB covers Real-time monitoring, HOMER Energy covers Microgrid optimization.
  • Prices and features above were last checked on 30 August 2026.

Where they differ

Only the attributes on which Fronius SOLARWEB and HOMER Energy actually diverge.

Attributes where Fronius SOLARWEB and HOMER Energy differ
AttributeFronius SOLARWEBHOMER Energy
Starting priceFree$187.5/month
Pricing modelUnknownsubscription
Free tierYesNo
PlatformsWeb, iOS, AndroidWindows, Web
Founded19452009

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 Fronius SOLARWEB

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

Only in HOMER Energy

  • Microgrid optimization
  • Techno-economic analysis
  • Component library
  • Sensitivity analysis
  • Energy storage sizing
  • Renewable integration
  • Load profile analysis
  • Financial modeling

Both cover

  • Cloud deployment
  • Web support
  • English language support
  • Spanish language support

What people use each for

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

Fronius SOLARWEB

  • System monitoringnot HOMER Energy
  • Performance trackingnot HOMER Energy

HOMER Energy

  • Sizing and optimising off-grid and microgrid systemsnot Fronius SOLARWEB
  • Modelling the economics of solar, wind and battery combinationsnot Fronius SOLARWEB
  • Electric bill optimisation for grid-connected sites and EV chargingnot Fronius SOLARWEB
  • Utility-scale storage investment analysisnot Fronius SOLARWEB
  • Comparing least-cost configurations against load and resource datanot Fronius SOLARWEB

Where each one falls short

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

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

HOMER Energy

  • Now owned by UL Solutions rather than being independent
  • Split into three separate products, HOMER Pro for off-grid and microgrids, HOMER Grid for bill optimisation and HOMER Front for utility-scale, so the right one depends on project type
  • Pricing is not shown on the product pages

Pricing, plan by plan

Fronius SOLARWEB

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

HOMER Energy

$187.5/month
  • Base$187.5/month
    • No modules included; add individually
    • Basic support
    • Software updates
  • Professional$373.5/month
    • Any 4 modules included (Biomass Generation, Run of River Hydro, Advanced Grid, Advanced Load, etc.)
    • Basic support
    • Software updates
  • Expert$568.5/month
    • All modules included: Biomass, Hydro, Hydrogen, Advanced Grid/Load/Storage, Combined Heat & Power, Multi-Year, MATLAB Link
    • Basic support
    • Software updates

Which should you pick?

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

Choose HOMER Energy if

  • You need microgrid optimization.
  • You work on Windows, Web.
  • You also want techno-economic analysis.
HOMER Energy review

Questions people ask

Is Fronius SOLARWEB or HOMER Energy better?
Neither clearly leads. Fronius SOLARWEB starts at Free and HOMER Energy at $187.5/month, and user ratings are close enough to be indistinguishable. Choose on capability and platform support.
Which is cheaper, Fronius SOLARWEB or HOMER Energy?
Fronius SOLARWEB has a free tier; the other does not. Paid plans start at Free for Fronius SOLARWEB and $187.5/month for HOMER Energy.
Does Fronius SOLARWEB or HOMER Energy run on more platforms?
Fronius SOLARWEB runs on Web, iOS, Android. HOMER Energy runs on Windows, Web.
Can I use Fronius SOLARWEB for free?
Yes. Fronius SOLARWEB has a free tier, so you can try it without paying. HOMER Energy starts at $187.5/month.
What is Fronius SOLARWEB best used for?
Fronius SOLARWEB is most often used for system monitoring, performance tracking. Of those, system monitoring and performance tracking are not what HOMER Energy is typically brought in for.
What can Fronius SOLARWEB do that HOMER Energy cannot?
Fronius SOLARWEB covers Real-time monitoring, Performance analytics, System optimization, Alert notifications. HOMER Energy covers Microgrid optimization, Techno-economic analysis, Component library, Sensitivity analysis. Both handle Cloud deployment, Web support, English language support, Spanish language support.

Answered from the vendors’ own pages

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
HOMER Energy: What are the pricing options for HOMER Energy?

HOMER Energy pricing information is not publicly available on their website. Customers must contact the vendor directly to obtain pricing information, trial access, and licensing 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
HOMER Energy: Does HOMER Energy offer a free trial or demo?

Trial or demo availability cannot be confirmed from publicly accessible pages. Visit the main website or contact HOMER Energy sales directly to inquire about evaluation options.

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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