Software · head to head
Fronius SOLARWEB vs OSIsoft PI System

Fronius SOLARWEB
Software
Solar inverter monitoring and analytics platform
- From
- Free
- Rated
- -

OSIsoft PI System
Software
Real-time operational intelligence for industrial operations
- From
- On request
- Rated
- -
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; OSIsoft PI System oSIsoft is now AVEVA and osisoft.com redirects to the AVEVA PI System pages
- They diverge on capability: Fronius SOLARWEB covers Real-time monitoring, OSIsoft PI System covers Real-time data collection.
Where they differ
Only the attributes on which Fronius SOLARWEB and OSIsoft PI System actually diverge.
| Attribute | Fronius SOLARWEB | OSIsoft PI System |
|---|---|---|
| Starting price | Free | On request |
| Pricing model | Unknown | quote |
| Free tier | Yes | No |
| Platforms | Web, iOS, Android | Windows, Web, Api |
| Founded | 1945 | 1980 |
Identical on both: 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 Fronius SOLARWEB
- Real-time monitoring
- Performance analytics
- System optimization
- Alert notifications
- Mobile app
- Cloud deployment
- Web support
- Mobile support
Only in OSIsoft PI System
- Real-time data collection
- Time-series data storage
- Advanced analytics
- Asset framework
- Visualization tools
- Event frames
- Data compression
- Notifications and alerts
Both cover
- SSL encryption
What people use each for
The jobs each tool is most often brought in to do.
Fronius SOLARWEB
- System monitoringnot OSIsoft PI System
- Performance trackingnot OSIsoft PI System
OSIsoft PI System
- Collecting and historising high frequency industrial process and sensor datanot Fronius SOLARWEB
- Operations dashboards and trend analysis for plants and utilitiesnot Fronius SOLARWEB
- Feeding real time operational data into analytics and digital twin applicationsnot 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
OSIsoft PI System
- OSIsoft is now AVEVA and osisoft.com redirects to the AVEVA PI System pages
- No pricing is published; osisoft.com/pricing resolves to AVEVA product pages with no rate, minimum or cost driver
- Licensing runs through the AVEVA Flex Subscription Program rather than a published per-seat or per-tag price
- The PI System is split across separately listed products including PI Server, PI Vision, PI Data Infrastructure and Edge Data Store
Pricing, plan by plan
Fronius SOLARWEB
Free- BasicFree
- Real-time energy monitoring
- Daily/monthly/yearly production charts
- Battery storage monitoring
OSIsoft PI System
On requestNo published plan breakdown. See the OSIsoft PI System review.
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.
Choose OSIsoft PI System if
- You need real-time data collection.
- You work on Windows, Web, Api.
- You also want time-series data storage.
Questions people ask
- Is Fronius SOLARWEB or OSIsoft PI System better?
- Neither clearly leads. Fronius SOLARWEB starts at Free and OSIsoft PI System at On request, and user ratings are close enough to be indistinguishable. Choose on capability and platform support.
- Which is cheaper, Fronius SOLARWEB or OSIsoft PI System?
- Fronius SOLARWEB has a free tier; the other does not. Paid plans start at Free for Fronius SOLARWEB and On request for OSIsoft PI System.
- Does Fronius SOLARWEB or OSIsoft PI System run on more platforms?
- Fronius SOLARWEB runs on Web, iOS, Android. OSIsoft PI System runs on Windows, Web, Api.
- Can I use Fronius SOLARWEB for free?
- Yes. Fronius SOLARWEB has a free tier, so you can try it without paying. OSIsoft PI System starts at On request.
- 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 OSIsoft PI System is typically brought in for.
- What can Fronius SOLARWEB do that OSIsoft PI System cannot?
- Fronius SOLARWEB covers Real-time monitoring, Performance analytics, System optimization, Alert notifications. OSIsoft PI System covers Real-time data collection, Time-series data storage, Advanced analytics, Asset framework. Both handle SSL encryption.
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.
SourceFronius 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.
SourceFronius 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.
SourceFronius SOLARWEB: Does Fronius Solar.web have a mobile app?
Yes, Solar.web offers native iOS and Android mobile applications for real-time monitoring.
SourceRelated pages
More on Fronius SOLARWEB
More on OSIsoft PI System
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