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Energy · head to head

AVEVA PI System vs OATI webOASIS

AVEVA PI System logo

AVEVA PI System

Energy

Industrial data infrastructure for real-time insights

From
On request
Rated
-
Full reviewWebsite
OATI webOASIS logo

OATI webOASIS

Energy

Energy trading and transmission management platform

From
On request
Rated
-
Full reviewWebsite

The short version

  • Each has a real cost: AVEVA PI System pricing is not published and comes through an account representative; OATI webOASIS no public pricing published; custom enterprise sales model requires direct contact
  • They diverge on capability: AVEVA PI System covers Real-time data collection, OATI webOASIS covers Energy scheduling.
  • Prices and features above were last checked on 30 August 2026.

Where they differ

Only the attributes on which AVEVA PI System and OATI webOASIS actually diverge.

Attributes where AVEVA PI System and OATI webOASIS differ
AttributeAVEVA PI SystemOATI webOASIS
Pricing modelone-timequote
PlatformsDesktop, Web, Mobile, ApiWeb, Api
Founded19671998

Identical on both: starting price (On request), free tier (No), user rating (Not yet rated), category (Energy).

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 AVEVA PI System

  • Real-time data collection
  • Time-series data storage
  • Asset framework
  • Visualization
  • Analytics
  • Event management
  • Notifications
  • Data integration

Only in OATI webOASIS

  • Energy scheduling
  • Transmission reservations
  • E-tagging
  • Market operations
  • Balancing authority management
  • Congestion management
  • Settlement processing
  • Real-time dispatch

What people use each for

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

AVEVA PI System

  • Industrial data collection and storage for oil, gas, and chemical processingnot OATI webOASIS
  • Real-time operational data visualization and HMI dashboardsnot OATI webOASIS
  • Supply chain and asset performance monitoring across sitesnot OATI webOASIS
  • Compliance and audit trail management for regulated industriesnot OATI webOASIS
  • Integration with SCADA systems and manufacturing executionnot OATI webOASIS

OATI webOASIS

  • Energy tradingnot AVEVA PI System
  • Transmission schedulingnot AVEVA PI System
  • Market settlementsnot AVEVA PI System
  • Grid balancingnot AVEVA PI System

Where each one falls short

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

AVEVA PI System

  • Pricing is not published and comes through an account representative
  • The vendor is moving to a subscription commercial model, so perpetual licence expectations no longer hold
  • Made up of several separately named components, including PI Server, PI Vision, Edge Data Store and the adapters and connectors needed per data source

OATI webOASIS

  • No public pricing published; custom enterprise sales model requires direct contact

Pricing, plan by plan

AVEVA PI System

On request
  • Data Archive$undefined/license
    • Time-series data storage
    • High-speed data collection
    • Data compression
  • Operations$undefined/license
    • PI Vision dashboards
    • AF analytics
    • Event frames
  • Enterprise$undefined/license
    • PI Integrator
    • Cloud connectivity
    • Advanced analytics

OATI webOASIS

On request

No published plan breakdown. See the OATI webOASIS review.

Which should you pick?

Choose AVEVA PI System if

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

Choose OATI webOASIS if

  • You need energy scheduling.
  • You work on Web, Api.
  • You also want transmission reservations.
OATI webOASIS review

Questions people ask

Is AVEVA PI System or OATI webOASIS better?
Neither clearly leads. AVEVA PI System starts at On request and OATI webOASIS at On request, and user ratings are close enough to be indistinguishable. Choose on capability and platform support.
Which is cheaper, AVEVA PI System or OATI webOASIS?
AVEVA PI System starts at On request and OATI webOASIS at On request.
Does AVEVA PI System or OATI webOASIS run on more platforms?
AVEVA PI System runs on Desktop, Web, Mobile, Api. OATI webOASIS runs on Web, Api.
What is AVEVA PI System best used for?
AVEVA PI System is most often used for industrial data collection and storage for oil, gas, and chemical processing, real-time operational data visualization and hmi dashboards, supply chain and asset performance monitoring across sites, compliance and audit trail management for regulated industries. Of those, industrial data collection and storage for oil, gas, and chemical processing and real-time operational data visualization and hmi dashboards are not what OATI webOASIS is typically brought in for.
What can AVEVA PI System do that OATI webOASIS cannot?
AVEVA PI System covers Real-time data collection, Time-series data storage, Asset framework, Visualization. OATI webOASIS covers Energy scheduling, Transmission reservations, E-tagging, Market operations.

Answered from the vendors’ own pages

AVEVA PI System: What is AVEVA PI System pricing?

AVEVA does not list PI System pricing on its website. AVEVA markets industrial software through enterprise sales channels with custom quotes.

Source
OATI webOASIS: How much does OATI WebOasis cost?

OATI does not publish pricing on its website; pricing is customized based on customer needs. Contact sales at 763-201-2000 or [email protected] for pricing information.

Source
AVEVA PI System: Does AVEVA offer a Flex Subscription Program?

AVEVA mentions Flex Subscription Program on its site for flexible product access, but pricing and terms are not published publicly.

Source
OATI webOASIS: What is OATI's pricing model?

OATI uses a custom enterprise software sales model where pricing is tailored to individual customer requirements rather than using standard published tiers.

Source
AVEVA PI System: Is AVEVA PI System available in the cloud?

AVEVA offers cloud options for its products, but per-seat or usage-based pricing for cloud deployments is not disclosed on the vendor website.

Source
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