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Energy & Utilities · head to head

OSIsoft PI System vs Generac Grid Services

OSIsoft PI System logo

OSIsoft PI System

Energy & Utilities

Real-time operational intelligence for industrial operations

From
On request
Rated
-
Full reviewWebsite
Generac Grid Services logo

Generac Grid Services

Energy & Utilities

Virtual power plant and distributed energy management platform

From
On request
Rated
-
Full reviewWebsite

The short version

  • They diverge on capability: OSIsoft PI System covers Real-time data collection, Generac Grid Services covers Virtual power plant orchestration.

Where they differ

Only the attributes on which OSIsoft PI System and Generac Grid Services actually diverge.

Attributes where OSIsoft PI System and Generac Grid Services differ
AttributeOSIsoft PI SystemGenerac Grid Services
PlatformsWindows, Web, ApiWeb, Mobile, Api
Founded19801959

Identical on both: starting price (On request), pricing model (quote), 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 Generac Grid Services

  • Virtual power plant orchestration
  • Real-time DER dispatch
  • Grid frequency regulation
  • Demand response automation
  • Battery fleet management
  • EV charging optimization
  • Load forecasting
  • Market participation

Both cover

  • SOC2

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 Generac Grid Services
  • Operations dashboards and trend analysis for plants and utilitiesnot Generac Grid Services
  • Feeding real time operational data into analytics and digital twin applicationsnot Generac Grid Services

Generac Grid Services

  • Grid balancingnot OSIsoft PI System
  • Peak shavingnot OSIsoft PI System
  • Frequency regulationnot OSIsoft PI System
  • Capacity marketsnot OSIsoft PI System
  • Renewable integrationnot 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

Generac Grid Services

Nothing recorded yet. See the Generac Grid Services review.

Pricing, plan by plan

OSIsoft PI System

On request

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

Generac Grid Services

On request

No published plan breakdown. See the Generac Grid Services review.

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 Generac Grid Services if

  • You need virtual power plant orchestration.
  • You work on Web, Mobile, Api.
  • You also want real-time der dispatch.
Generac Grid Services review

Questions people ask

Is OSIsoft PI System or Generac Grid Services better?
Neither clearly leads. OSIsoft PI System starts at On request and Generac Grid Services at On request, and user ratings are close enough to be indistinguishable. Choose on capability and platform support.
Which is cheaper, OSIsoft PI System or Generac Grid Services?
OSIsoft PI System starts at On request and Generac Grid Services at On request.
Does OSIsoft PI System or Generac Grid Services run on more platforms?
OSIsoft PI System runs on Windows, Web, Api. Generac Grid Services runs on Web, Mobile, 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 Generac Grid Services is typically brought in for.
What can OSIsoft PI System do that Generac Grid Services cannot?
OSIsoft PI System covers Real-time data collection, Time-series data storage, Advanced analytics, Asset framework. Generac Grid Services covers Virtual power plant orchestration, Real-time DER dispatch, Grid frequency regulation, Demand response automation. Both handle SOC2.
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