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Software · head to head

SMA Energy vs Fronius SOLARWEB

S

SMA Energy

Software

Inverter monitoring and cloud portal

From
Free
Rated
-
Full reviewWebsite
Fronius SOLARWEB logo

Fronius SOLARWEB

Software

Solar inverter monitoring and analytics platform

From
Free
Rated
-
Full reviewWebsite

The short version

  • Each has a real cost: SMA Energy requires SMA Premium subscription for advanced automation features; Fronius SOLARWEB only works optimally with Fronius hardware; monitoring of third-party inverters is not supported
  • They diverge on capability: SMA Energy covers Battery management, Fronius SOLARWEB covers Performance analytics.

Where they differ

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

Attributes where SMA Energy and Fronius SOLARWEB differ
AttributeSMA EnergyFronius SOLARWEB
Pricing modelfreeUnknown
PlatformsWeb, MobileWeb, iOS, Android
Founded19811945

Identical on both: starting price (Free), free tier (Yes), user rating (Not yet rated), category (Unknown).

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 SMA Energy

  • Battery management
  • Energy analytics
  • Mobile portal

Only in Fronius SOLARWEB

  • Performance analytics
  • Alert notifications
  • Mobile app
  • French language support
  • Spanish language support

Both cover

  • Real-time monitoring
  • System optimization
  • SSL encryption
  • Cloud deployment
  • Web support
  • Mobile support
  • English language support
  • German language support

What people use each for

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

SMA Energy

  • System monitoring
  • Battery optimizationnot Fronius SOLARWEB

Fronius SOLARWEB

  • System monitoring
  • Performance trackingnot SMA Energy

Both are used for system monitoring, on those jobs the choice comes down to price and fit rather than capability.

Where each one falls short

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

SMA Energy

  • Requires SMA Premium subscription for advanced automation features
  • SMA Sunny Portal monitoring has data delays and does not guarantee real-time updates
  • Limited scalability for larger residential or commercial installations beyond 18.9 kWh
  • Requires all devices to have latest software versions and compatible communication protocols

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

SMA Energy

Free

No published plan breakdown. See the SMA Energy review.

Fronius SOLARWEB

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

Which should you pick?

Choose SMA Energy if

  • You need battery management.
  • You want to start without paying.
  • You work on Web, Mobile.
  • You also want energy analytics.
SMA Energy review

Choose Fronius SOLARWEB if

  • You need performance analytics.
  • You want to start without paying.
  • You work on Web, iOS, Android.
  • You also want alert notifications.
Fronius SOLARWEB review

Questions people ask

Is SMA Energy or Fronius SOLARWEB better?
Neither clearly leads. SMA Energy starts at Free and Fronius SOLARWEB at Free, and user ratings are close enough to be indistinguishable. Choose on capability and platform support.
Which is cheaper, SMA Energy or Fronius SOLARWEB?
SMA Energy starts at Free and Fronius SOLARWEB at Free.
Does SMA Energy or Fronius SOLARWEB run on more platforms?
SMA Energy runs on Web, Mobile. Fronius SOLARWEB runs on Web, iOS, Android.
Can I use SMA Energy for free?
Both have a free tier, so you can try either at no cost before committing.
What is SMA Energy best used for?
SMA Energy is most often used for system monitoring, battery optimization. Of those, battery optimization is not what Fronius SOLARWEB is typically brought in for.
What can SMA Energy do that Fronius SOLARWEB cannot?
SMA Energy covers Battery management, Energy analytics, Mobile portal. Fronius SOLARWEB covers Performance analytics, Alert notifications, Mobile app, French language support. Both handle Real-time monitoring, System optimization, SSL encryption, Cloud deployment.

Answered from the vendors’ own pages

SMA Energy: Is SMA Energy Maximizer free?

No. SMA Energy Maximizer requires an SMA Premium subscription. However, there is a 90-day free trial period. After the trial, the service requires a paid subscription to access automated optimization features. The SMA Premium digital service is built into SMA devices powered by ennexOS.

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
SMA Energy: What are the system requirements for SMA Energy?

SMA Energy requires compatible SMA inverters, SMA Energy Meter for consumption tracking, and communication protocols like Modbus or Speedwire for connectivity. All devices must have the latest software version, and a network connection is required for remote monitoring through SMA Sunny Portal.

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
SMA Energy: Does SMA Energy work offline?

SMA Energy systems can continue generating electricity offline, but remote monitoring and cloud-based optimization through SMA Sunny Portal require internet connectivity. If communication fails between devices, inverters reduce output power to 0 percent as a safety fallback.

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
SMA Energy: What is the maximum system size for residential installations?

SMA systems typically support a maximum residential configuration of 18.9 kWh battery storage, which is suitable for most single-family homes but may be insufficient for larger properties or commercial applications.

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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