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Energy · head to head

OATI webOASIS vs SMA Energy

OATI webOASIS logo

OATI webOASIS

Energy

Energy trading and transmission management platform

From
On request
Rated
-
Full reviewWebsite
SMA Energy logo

SMA Energy

Energy

Inverter monitoring and cloud portal

From
Free
Rated
-
Full reviewWebsite

The short version

  • Only SMA Energy has a free tier, so it costs nothing to try first.
  • Each has a real cost: OATI webOASIS no public pricing published; custom enterprise sales model requires direct contact; SMA Energy requires SMA Premium subscription for advanced automation features
  • They diverge on capability: OATI webOASIS covers Energy scheduling, SMA Energy covers Real-time monitoring.
  • Prices and features above were last checked on 30 August 2026.

Where they differ

Only the attributes on which OATI webOASIS and SMA Energy actually diverge.

Attributes where OATI webOASIS and SMA Energy differ
AttributeOATI webOASISSMA Energy
Starting priceOn requestFree
Pricing modelquotefree
Free tierNoYes
PlatformsWeb, ApiWeb, Mobile
Founded19981981

Identical on both: 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 OATI webOASIS

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

Only in SMA Energy

  • Real-time monitoring
  • Battery management
  • Energy analytics
  • Mobile portal
  • System optimization
  • Mobile support
  • English language support
  • German language support

Both cover

  • SSL encryption
  • Cloud deployment
  • Web support

What people use each for

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

OATI webOASIS

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

SMA Energy

  • System monitoringnot OATI webOASIS
  • Battery optimizationnot OATI webOASIS

Where each one falls short

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

OATI webOASIS

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

SMA Energy

  • Requires SMA Premium subscription for advanced automation features
  • SMA Sunny Portal monitoring has data delays and does not guarantee real-time updates
  • Limited scalability for larger residential or commercial installations beyond 18.9 kWh
  • Requires all devices to have latest software versions and compatible communication protocols

Pricing, plan by plan

OATI webOASIS

On request

No published plan breakdown. See the OATI webOASIS review.

SMA Energy

Free

No published plan breakdown. See the SMA Energy review.

Which should you pick?

Choose OATI webOASIS if

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

Choose SMA Energy if

  • You need real-time monitoring.
  • You want to start without paying.
  • You work on Web, Mobile.
  • You also want battery management.
SMA Energy review

Questions people ask

Is OATI webOASIS or SMA Energy better?
Neither clearly leads. OATI webOASIS starts at On request and SMA Energy at Free, and user ratings are close enough to be indistinguishable. Choose on capability and platform support.
Which is cheaper, OATI webOASIS or SMA Energy?
SMA Energy has a free tier; the other does not. Paid plans start at On request for OATI webOASIS and Free for SMA Energy.
Does OATI webOASIS or SMA Energy run on more platforms?
OATI webOASIS runs on Web, Api. SMA Energy runs on Web, Mobile.
Can I use SMA Energy for free?
Yes. SMA Energy has a free tier, so you can try it without paying. OATI webOASIS starts at On request.
What is OATI webOASIS best used for?
OATI webOASIS is most often used for energy trading, transmission scheduling, market settlements, grid balancing. Of those, energy trading and transmission scheduling are not what SMA Energy is typically brought in for.
What can OATI webOASIS do that SMA Energy cannot?
OATI webOASIS covers Energy scheduling, Transmission reservations, E-tagging, Market operations. SMA Energy covers Real-time monitoring, Battery management, Energy analytics, Mobile portal. Both handle SSL encryption, Cloud deployment, Web support.

Answered from the vendors’ own pages

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
SMA Energy: Is SMA Energy Maximizer free?

No. SMA Energy Maximizer requires an SMA Premium subscription. However, there is a 90-day free trial period. After the trial, the service requires a paid subscription to access automated optimization features. The SMA Premium digital service is built into SMA devices powered by ennexOS.

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
SMA Energy: What are the system requirements for SMA Energy?

SMA Energy requires compatible SMA inverters, SMA Energy Meter for consumption tracking, and communication protocols like Modbus or Speedwire for connectivity. All devices must have the latest software version, and a network connection is required for remote monitoring through SMA Sunny Portal.

Source
SMA Energy: Does SMA Energy work offline?

SMA Energy systems can continue generating electricity offline, but remote monitoring and cloud-based optimization through SMA Sunny Portal require internet connectivity. If communication fails between devices, inverters reduce output power to 0 percent as a safety fallback.

Source
SMA Energy: What is the maximum system size for residential installations?

SMA systems typically support a maximum residential configuration of 18.9 kWh battery storage, which is suitable for most single-family homes but may be insufficient for larger properties or commercial applications.

Source
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