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Energy · head to head

EnergyCAP vs OSIsoft PI System

EnergyCAP logo

EnergyCAP

Energy

Utility bill and energy management software

From
$1000/month
Rated
-
Full reviewWebsite
OSIsoft PI System logo

OSIsoft PI System

Energy

Real-time operational intelligence for industrial operations

From
On request
Rated
-
Full reviewWebsite

The short version

  • Each has a real cost: EnergyCAP priced per meter per year, so cost scales with how many utility connection points exist rather than with users or sites; OSIsoft PI System oSIsoft is now AVEVA and osisoft.com redirects to the AVEVA PI System pages
  • They diverge on capability: EnergyCAP covers Utility bill management, OSIsoft PI System covers Real-time data collection.
  • Prices and features above were last checked on 30 August 2026.

Where they differ

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

Attributes where EnergyCAP and OSIsoft PI System differ
AttributeEnergyCAPOSIsoft PI System
Starting price$1000/monthOn request
Pricing modelsubscriptionquote
PlatformsWeb, ApiWindows, Web, Api

Identical on both: free tier (No), user rating (Not yet rated), category (Energy), founded (1980).

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 EnergyCAP

  • Utility bill management
  • Energy accounting
  • Cost allocation
  • Sustainability reporting
  • Weather normalization
  • Rate analysis
  • Budgeting
  • Benchmarking

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

  • SAP
  • Oracle
  • SOC2

What people use each for

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

EnergyCAP

  • Tracking utility bills and energy consumption across a property portfolionot OSIsoft PI System
  • Reporting on energy spend and emissions for an organisationnot OSIsoft PI System

OSIsoft PI System

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

Where each one falls short

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

EnergyCAP

  • Priced per meter per year, so cost scales with how many utility connection points exist rather than with users or sites
  • No figure is published at any level, and every package is quoted by sales
  • Emissions, interval data, bill capture and bill pay are separately priced add ons rather than part of the core platform

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

EnergyCAP

$1000/month
  • Essential$1000/month
    • Utility bill management
    • Energy tracking
    • Basic reporting
  • Professional$2500/month
    • Advanced analytics
    • Sustainability reporting
    • Budgeting tools
  • Enterprise$undefined/month
    • Unlimited users
    • Custom integrations
    • API access

OSIsoft PI System

On request

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

Which should you pick?

Choose EnergyCAP if

  • You need utility bill management.
  • You work on Web, Api.
  • You also want energy accounting.
EnergyCAP 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 EnergyCAP or OSIsoft PI System better?
Neither clearly leads. EnergyCAP starts at $1000/month 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, EnergyCAP or OSIsoft PI System?
EnergyCAP starts at $1000/month and OSIsoft PI System at On request.
Does EnergyCAP or OSIsoft PI System run on more platforms?
EnergyCAP runs on Web, Api. OSIsoft PI System runs on Windows, Web, Api.
What is EnergyCAP best used for?
EnergyCAP is most often used for tracking utility bills and energy consumption across a property portfolio, reporting on energy spend and emissions for an organisation. Of those, tracking utility bills and energy consumption across a property portfolio and reporting on energy spend and emissions for an organisation are not what OSIsoft PI System is typically brought in for.
What can EnergyCAP do that OSIsoft PI System cannot?
EnergyCAP covers Utility bill management, Energy accounting, Cost allocation, Sustainability reporting. OSIsoft PI System covers Real-time data collection, Time-series data storage, Advanced analytics, Asset framework. Both handle SAP, Oracle, SOC2.

Answered from the vendors’ own pages

EnergyCAP: What is EnergyCAP's pricing model?

EnergyCAP pricing is based per meter per year. The company allows customers to customize their package by adding premium features such as emissions tracking, interval data analytics, finance modules, bill capture, and bill pay services based on business needs.

Source
OSIsoft PI System: How much does the AVEVA PI System cost?

AVEVA PI System (formerly OSIsoft PI System) operates on a subscription-based commercial model with customized pricing. The company structures subscriptions to match specific use cases and business needs, requiring direct contact with account representatives.

Source
EnergyCAP: How much does EnergyCAP cost?

EnergyCAP does not publish specific pricing amounts. Customers must contact sales for a customized quote based on their meter count and selected features.

Source
OSIsoft PI System: What is AVEVA PI System's pricing model?

AVEVA offers subscription-based licensing for software components running on-premises or in the cloud. Subscriptions are customized per customer use case, and pricing is determined through consultation with local account representatives.

Source
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