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Energy & Utilities · head to head

HOMER Energy vs Wartsila Voyage

HOMER Energy logo

HOMER Energy

Energy & Utilities

Microgrid and distributed energy optimization software

From
Free
Rated
-
Full reviewWebsite
Wartsila Voyage logo

Wartsila Voyage

Maritime & Shipping

Smart maritime ecosystem solutions

From
$15000/one-time
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: HOMER Energy now owned by UL Solutions rather than being independent; Wartsila Voyage limited publicly available pricing information requires direct contact with sales team
  • They diverge on capability: HOMER Energy covers Microgrid optimization, Wartsila Voyage covers ECDIS navigation.

Where they differ

Only the attributes on which HOMER Energy and Wartsila Voyage actually diverge.

Attributes where HOMER Energy and Wartsila Voyage differ
AttributeHOMER EnergyWartsila Voyage
Starting priceFree$15000/one-time
Pricing modelsubscriptionone-time
Free tierYesNo
PlatformsWindows, WebBridge Systems, Web
CategoryEnergy & UtilitiesMaritime & Shipping
Founded20091834

Identical on both: user rating (Not yet rated).

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 HOMER Energy

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

Only in Wartsila Voyage

  • ECDIS navigation
  • Voyage planning
  • Fleet performance
  • Port optimization
  • Bridge systems
  • Fleet management
  • Port systems
  • Embedded support

Both cover

  • Windows support
  • Web support

What people use each for

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

HOMER Energy

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

Wartsila Voyage

No use cases recorded yet. See the Wartsila Voyage review.

Where each one falls short

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

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

Wartsila Voyage

  • Limited publicly available pricing information requires direct contact with sales team
  • Requires specialized training for bridge crews to operate effectively in different vessel scenarios

Pricing, plan by plan

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

Wartsila Voyage

$15000/one-time
  • ECDIS Suite$30000/one-time
    • ECDIS
    • Voyage planning
    • Weather routing

Which should you pick?

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

Choose Wartsila Voyage if

  • You need ecdis navigation.
  • You work on Bridge Systems, Web.
  • You also want voyage planning.
Wartsila Voyage review

Questions people ask

Is HOMER Energy or Wartsila Voyage better?
Neither clearly leads. HOMER Energy starts at Free and Wartsila Voyage at $15000/one-time, and user ratings are close enough to be indistinguishable. Choose on capability and platform support.
Which is cheaper, HOMER Energy or Wartsila Voyage?
HOMER Energy has a free tier; the other does not. Paid plans start at Free for HOMER Energy and $15000/one-time for Wartsila Voyage.
Does HOMER Energy or Wartsila Voyage run on more platforms?
HOMER Energy runs on Windows, Web. Wartsila Voyage runs on Bridge Systems, Web.
Can I use HOMER Energy for free?
Yes. HOMER Energy has a free tier, so you can try it without paying. Wartsila Voyage starts at $15000/one-time.
What is HOMER Energy best used for?
HOMER Energy is most often used for sizing and optimising off-grid and microgrid systems, modelling the economics of solar, wind and battery combinations, electric bill optimisation for grid-connected sites and ev charging, utility-scale storage investment analysis. Of those, sizing and optimising off-grid and microgrid systems and modelling the economics of solar, wind and battery combinations are not what Wartsila Voyage is typically brought in for.
What can HOMER Energy do that Wartsila Voyage cannot?
HOMER Energy covers Microgrid optimization, Techno-economic analysis, Component library, Sensitivity analysis. Wartsila Voyage covers ECDIS navigation, Voyage planning, Fleet performance, Port optimization. Both handle Windows support, Web support.

Answered from the vendors’ own pages

Wartsila Voyage: What is Navi-Sailor ECDIS?

Navi-Sailor ECDIS is an IMO-compliant electronic chart display system integrating GPS, radar, and AIS data for route planning and monitoring. It is one of the most installed ECDIS solutions worldwide.

Source
Wartsila Voyage: Does Wärtsilä offer fleet management integration?

Yes. Navi-Sailor ECDIS integrates with Wärtsilä Fleet Optimisation Solution to connect ship and shore, providing fleet teams better visibility and bridge teams streamlined workflows.

Source
Wartsila Voyage: Is Wärtsilä Voyage compliant with maritime regulations?

Yes. Navi-Sailor ECDIS is fully IMO-compliant and designed to satisfy SOLAS Chapter V requirements. It supports S-100 standards for future maritime data interoperability.

Source
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