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Software · head to head

Enphase Enlighten vs OSIsoft PI System

E

Enphase Enlighten

Software

Microinverter monitoring and management platform

From
Free
Rated
-
Full reviewWebsite
OSIsoft PI System logo

OSIsoft PI System

Software

Real-time operational intelligence for industrial operations

From
On request
Rated
-
Full reviewWebsite

The short version

  • Only Enphase Enlighten has a free tier, so it costs nothing to try first.
  • Each has a real cost: Enphase Enlighten only works with Enphase microinverter systems, not compatible with other solar equipment; OSIsoft PI System oSIsoft is now AVEVA and osisoft.com redirects to the AVEVA PI System pages
  • They diverge on capability: Enphase Enlighten covers Real-time monitoring, OSIsoft PI System covers Real-time data collection.

Where they differ

Only the attributes on which Enphase Enlighten and OSIsoft PI System actually diverge.

Attributes where Enphase Enlighten and OSIsoft PI System differ
AttributeEnphase EnlightenOSIsoft PI System
Starting priceFreeOn request
Pricing modelUnknownquote
Free tierYesNo
PlatformsWeb, iOS, AndroidWindows, Web, Api
Founded20061980

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 Enphase Enlighten

  • Real-time monitoring
  • Per-module performance
  • Alert notifications
  • Mobile app
  • API access
  • SunPower
  • Tesla
  • Cloud deployment

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.

Enphase Enlighten

  • System monitoringnot OSIsoft PI System
  • Performance optimizationnot OSIsoft PI System

OSIsoft PI System

  • Collecting and historising high frequency industrial process and sensor datanot Enphase Enlighten
  • Operations dashboards and trend analysis for plants and utilitiesnot Enphase Enlighten
  • Feeding real time operational data into analytics and digital twin applicationsnot Enphase Enlighten

Where each one falls short

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

Enphase Enlighten

  • Only works with Enphase microinverter systems, not compatible with other solar equipment
  • Requires 10-year paid subscription after initial free period for core monitoring
  • Cloud-based system requiring internet connection for real-time data access

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

Enphase Enlighten

Free

No published plan breakdown. See the Enphase Enlighten review.

OSIsoft PI System

On request

No published plan breakdown. See the OSIsoft PI System review.

Which should you pick?

Choose Enphase Enlighten if

  • You need real-time monitoring.
  • You want to start without paying.
  • You work on Web, iOS, Android.
  • You also want per-module performance.
Enphase Enlighten review

Choose OSIsoft PI System if

  • You need real-time data collection.
  • You work on Windows, Web, Api.
  • You also want time-series data storage.
OSIsoft PI System review

Questions people ask

Is Enphase Enlighten or OSIsoft PI System better?
Neither clearly leads. Enphase Enlighten 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, Enphase Enlighten or OSIsoft PI System?
Enphase Enlighten has a free tier; the other does not. Paid plans start at Free for Enphase Enlighten and On request for OSIsoft PI System.
Does Enphase Enlighten or OSIsoft PI System run on more platforms?
Enphase Enlighten runs on Web, iOS, Android. OSIsoft PI System runs on Windows, Web, Api.
Can I use Enphase Enlighten for free?
Yes. Enphase Enlighten has a free tier, so you can try it without paying. OSIsoft PI System starts at On request.
What is Enphase Enlighten best used for?
Enphase Enlighten is most often used for system monitoring, performance optimization. Of those, system monitoring and performance optimization are not what OSIsoft PI System is typically brought in for.
What can Enphase Enlighten do that OSIsoft PI System cannot?
Enphase Enlighten covers Real-time monitoring, Per-module performance, Alert notifications, Mobile app. 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

Enphase Enlighten: Is Enphase Enlighten free to use?

The standard Enlighten app comes included with any Enphase microinverter system at no extra charge for the first 10 years from installation, after which it costs $49/year minimum.

Source
Enphase Enlighten: What is the cost for Enlighten Manager premium upgrade?

Enlighten Manager upgrade costs $9.99/month with month-to-month cancellation, or a one-time lifetime subscription is available through the Enphase store.

Source
Enphase Enlighten: What data does Enlighten monitor?

Enlighten pulls data from IQ Microinverters, the IQ Gateway, IQ Batteries, and Enphase EV chargers into a single monitoring view, showing near real-time panel-by-panel performance data.

Source
Enphase Enlighten: Does Enlighten send alerts for system issues?

Yes, Enlighten continuously monitors system performance and highlights deviations, with customers able to choose to receive alerts upon certain conditions.

Source
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