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Energy & Utilities · head to head

OSIsoft PI System vs ETAP

OSIsoft PI System logo

OSIsoft PI System

Energy & Utilities

Real-time operational intelligence for industrial operations

From
On request
Rated
-
Full reviewWebsite
ETAP logo

ETAP

Energy & Utilities

Electrical power system design and analysis software

From
$5000/year
Rated
-
Full reviewWebsite

The short version

  • Each has a real cost: OSIsoft PI System oSIsoft is now AVEVA and osisoft.com redirects to the AVEVA PI System pages; ETAP no pricing is published, and reaching a figure requires completing a multi step quote form
  • They diverge on capability: OSIsoft PI System covers Real-time data collection, ETAP covers Load flow analysis.

Where they differ

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

Attributes where OSIsoft PI System and ETAP differ
AttributeOSIsoft PI SystemETAP
Starting priceOn request$5000/year
Pricing modelquotesubscription
PlatformsWindows, Web, ApiWindows, Api
Founded19801986

Identical on both: free tier (No), user rating (Not yet rated), category (Energy & Utilities).

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 OSIsoft PI System

  • Real-time data collection
  • Time-series data storage
  • Advanced analytics
  • Asset framework
  • Visualization tools
  • Event frames
  • Data compression
  • Notifications and alerts

Only in ETAP

  • Load flow analysis
  • Short circuit analysis
  • Arc flash analysis
  • Protective device coordination
  • Harmonics analysis
  • Transient stability
  • Cable sizing
  • Panel schedule design

Both cover

  • SCADA systems

What people use each for

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

OSIsoft PI System

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

ETAP

  • Electrical power system modelling, simulation and analysisnot OSIsoft PI System
  • Arc flash, load flow and protection coordination studiesnot OSIsoft PI System

Where each one falls short

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

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

ETAP

  • No pricing is published, and reaching a figure requires completing a multi step quote form
  • Subscription durations offered are 3 years and 5 years, so there is no short commitment option
  • Licences are banded by user count rather than sold individually, in brackets of 1, 5 to 15, 15 to 25, 25 to 50 and over 50
  • National and international network licences are priced separately

Pricing, plan by plan

OSIsoft PI System

On request

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

ETAP

$5000/year
  • Standard$5000/year
    • Load flow analysis
    • Short circuit analysis
    • Arc flash analysis
  • Professional$15000/year
    • Advanced analysis
    • Protective device coordination
    • Harmonics analysis
  • Enterprise$undefined/year
    • Real-time monitoring
    • SCADA integration
    • Custom modules

Which should you pick?

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

Choose ETAP if

  • You need load flow analysis.
  • You work on Windows, Api.
  • You also want short circuit analysis.
ETAP review

Questions people ask

Is OSIsoft PI System or ETAP better?
Neither clearly leads. OSIsoft PI System starts at On request and ETAP at $5000/year, and user ratings are close enough to be indistinguishable. Choose on capability and platform support.
Which is cheaper, OSIsoft PI System or ETAP?
OSIsoft PI System starts at On request and ETAP at $5000/year.
Does OSIsoft PI System or ETAP run on more platforms?
OSIsoft PI System runs on Windows, Web, Api. ETAP runs on Windows, Api.
What is OSIsoft PI System best used for?
OSIsoft PI System is most often used for collecting and historising high frequency industrial process and sensor data, operations dashboards and trend analysis for plants and utilities, feeding real time operational data into analytics and digital twin applications. Of those, collecting and historising high frequency industrial process and sensor data and operations dashboards and trend analysis for plants and utilities are not what ETAP is typically brought in for.
What can OSIsoft PI System do that ETAP cannot?
OSIsoft PI System covers Real-time data collection, Time-series data storage, Advanced analytics, Asset framework. ETAP covers Load flow analysis, Short circuit analysis, Arc flash analysis, Protective device coordination. Both handle SCADA systems.
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