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Maritime & Shipping · head to head

exactEarth vs HOMER Energy

exactEarth logo

exactEarth

Maritime & Shipping

Advanced satellite AIS data services

From
$1000/month
Rated
-
Full reviewWebsite
HOMER Energy logo

HOMER Energy

Energy & Utilities

Microgrid and distributed energy optimization software

From
Free
Rated
-
Full reviewWebsite

The short version

  • Only HOMER Energy has a free tier, so it costs nothing to try first.
  • Each has a real cost: exactEarth exactEarth's own homepage, as captured by the Internet Archive on 28 December 2021, carried a banner stating: 'We are happy to announce that exactEarth is now part of Spire Global,' confirming in the vendor's own words that exactEarth was absorbed into Spire (now sold as Kpler's spireMT product); no independent exactEarth pricing survives; HOMER Energy now owned by UL Solutions rather than being independent
  • They diverge on capability: exactEarth covers Satellite AIS data, HOMER Energy covers Microgrid optimization.

Where they differ

Only the attributes on which exactEarth and HOMER Energy actually diverge.

Attributes where exactEarth and HOMER Energy differ
AttributeexactEarthHOMER Energy
Starting price$1000/monthFree
Free tierNoYes
PlatformsApi, WebWindows, Web
CategoryMaritime & ShippingEnergy & Utilities

Identical on both: pricing model (subscription), user rating (Not yet rated), founded (2009).

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 exactEarth

  • Satellite AIS data
  • Global vessel tracking
  • Historical data archive
  • Anomaly detection
  • API
  • Data feeds
  • GIS platforms
  • Api support

Only in HOMER Energy

  • Microgrid optimization
  • Techno-economic analysis
  • Component library
  • Sensitivity analysis
  • Energy storage sizing
  • Renewable integration
  • Load profile analysis
  • Financial modeling

Both cover

  • Web support

What people use each for

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

exactEarth

No use cases recorded yet. See the exactEarth review.

HOMER Energy

  • Sizing and optimising off-grid and microgrid systemsnot exactEarth
  • Modelling the economics of solar, wind and battery combinationsnot exactEarth
  • Electric bill optimisation for grid-connected sites and EV chargingnot exactEarth
  • Utility-scale storage investment analysisnot exactEarth
  • Comparing least-cost configurations against load and resource datanot exactEarth

Where each one falls short

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

exactEarth

  • exactEarth's own homepage, as captured by the Internet Archive on 28 December 2021, carried a banner stating: 'We are happy to announce that exactEarth is now part of Spire Global,' confirming in the vendor's own words that exactEarth was absorbed into Spire (now sold as Kpler's spireMT product); no independent exactEarth pricing survives

HOMER Energy

  • Now owned by UL Solutions rather than being independent
  • Split into three separate products, HOMER Pro for off-grid and microgrids, HOMER Grid for bill optimisation and HOMER Front for utility-scale, so the right one depends on project type
  • Pricing is not shown on the product pages

Pricing, plan by plan

exactEarth

$1000/month
  • Enterprise$5000/month
    • Global AIS data
    • Historical archive
    • Custom analytics

HOMER Energy

Free
  • HOMER GridFree
    • Grid-connected optimization
    • Basic components
    • Limited simulations
  • HOMER Pro$1500/year
    • Advanced optimization
    • All components
    • Unlimited simulations
  • Enterprise$undefined/year
    • Multi-user licenses
    • API access
    • Custom modules

Which should you pick?

Choose exactEarth if

  • You need satellite ais data.
  • You work on Api, Web.
  • You also want global vessel tracking.
exactEarth review

Choose HOMER Energy if

  • You need microgrid optimization.
  • You want to start without paying.
  • You work on Windows, Web.
  • You also want techno-economic analysis.
HOMER Energy review

Questions people ask

Is exactEarth or HOMER Energy better?
Neither clearly leads. exactEarth starts at $1000/month and HOMER Energy at Free, and user ratings are close enough to be indistinguishable. Choose on capability and platform support.
Which is cheaper, exactEarth or HOMER Energy?
HOMER Energy has a free tier; the other does not. Paid plans start at $1000/month for exactEarth and Free for HOMER Energy.
Does exactEarth or HOMER Energy run on more platforms?
exactEarth runs on Api, Web. HOMER Energy runs on Windows, Web.
Can I use HOMER Energy for free?
Yes. HOMER Energy has a free tier, so you can try it without paying. exactEarth starts at $1000/month.
What can exactEarth do that HOMER Energy cannot?
exactEarth covers Satellite AIS data, Global vessel tracking, Historical data archive, Anomaly detection. HOMER Energy covers Microgrid optimization, Techno-economic analysis, Component library, Sensitivity analysis. Both handle Web support.
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