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Energy · head to head

ETAP vs OATI webOASIS

ETAP logo

ETAP

Energy

Electrical power system design and analysis software

From
$5000/year
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: ETAP no pricing is published, and reaching a figure requires completing a multi step quote form; OATI webOASIS no public pricing published; custom enterprise sales model requires direct contact
  • They diverge on capability: ETAP covers Load flow analysis, OATI webOASIS covers Energy scheduling.
  • Prices and features above were last checked on 30 August 2026.

Where they differ

Only the attributes on which ETAP and OATI webOASIS actually diverge.

Attributes where ETAP and OATI webOASIS differ
AttributeETAPOATI webOASIS
Starting price$5000/yearOn request
Pricing modelsubscriptionquote
PlatformsWindows, ApiWeb, Api
Founded19861998

Identical on both: 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 ETAP

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

Only in OATI webOASIS

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

Both cover

  • On-premise deployment
  • Cloud deployment
  • Api support

What people use each for

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

ETAP

  • Electrical power system modelling, simulation and analysisnot OATI webOASIS
  • Arc flash, load flow and protection coordination studiesnot OATI webOASIS

OATI webOASIS

  • Energy tradingnot ETAP
  • Transmission schedulingnot ETAP
  • Market settlementsnot ETAP
  • Grid balancingnot ETAP

Where each one falls short

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

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

OATI webOASIS

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

Pricing, plan by plan

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

OATI webOASIS

On request

No published plan breakdown. See the OATI webOASIS review.

Which should you pick?

Choose ETAP if

  • You need load flow analysis.
  • You work on Windows, Api.
  • You also want short circuit analysis.
ETAP 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 ETAP or OATI webOASIS better?
Neither clearly leads. ETAP starts at $5000/year and OATI webOASIS at On request, and user ratings are close enough to be indistinguishable. Choose on capability and platform support.
Which is cheaper, ETAP or OATI webOASIS?
ETAP starts at $5000/year and OATI webOASIS at On request.
Does ETAP or OATI webOASIS run on more platforms?
ETAP runs on Windows, Api. OATI webOASIS runs on Web, Api.
What is ETAP best used for?
ETAP is most often used for electrical power system modelling, simulation and analysis, arc flash, load flow and protection coordination studies. Of those, electrical power system modelling, simulation and analysis and arc flash, load flow and protection coordination studies are not what OATI webOASIS is typically brought in for.
What can ETAP do that OATI webOASIS cannot?
ETAP covers Load flow analysis, Short circuit analysis, Arc flash analysis, Protective device coordination. OATI webOASIS covers Energy scheduling, Transmission reservations, E-tagging, Market operations. Both handle On-premise deployment, Cloud deployment, Api support.

Answered from the vendors’ own pages

ETAP: How is ETAP priced?

ETAP uses subscription-based pricing with tiered bundles (Launch, Grow, Scale) and optional add-ons. Specific prices are not published and require completing a quote request form.

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
ETAP: What products does ETAP offer pricing for?

ETAP offers three main product lines with tiered bundles: CANECO (Electrical Design), ETAP (Power Systems Analysis), and SEE Electrical (Electrical Engineering). Each supports 1-50+ users with 3-5 year term options.

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
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