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Energy & Utilities · head to head

Helioscope vs Wattwatchers EMS

Helioscope logo

Helioscope

Energy & Utilities

Accurate solar design for commercial projects

From
Free
Rated
-
Full reviewWebsite
W

Wattwatchers EMS

Energy & Utilities

Smart building energy management system

From
On request
Rated
-
Full reviewWebsite

The short version

  • Only Helioscope has a free tier, so it costs nothing to try first.
  • Each has a real cost: Helioscope licences are single user, so each designer needs their own; Wattwatchers EMS requires hardware installation at each monitoring point, increasing total cost of ownership
  • They diverge on capability: Helioscope covers PV system design, Wattwatchers EMS covers Real-time monitoring.

Where they differ

Only the attributes on which Helioscope and Wattwatchers EMS actually diverge.

Attributes where Helioscope and Wattwatchers EMS differ
AttributeHelioscopeWattwatchers EMS
Starting priceFreeOn request
Pricing modelsubscriptionUnknown
Free tierYesNo
PlatformsWeb, ApiWeb, iOS, Android, Cloud
Founded20122007

Identical on both: user rating (Not yet rated), category (Energy & Utilities).

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 Helioscope

  • PV system design
  • 3D shade modeling
  • Performance simulation
  • Single-line diagrams
  • BOM generation
  • Proposal templates
  • Component database
  • Financial modeling

Only in Wattwatchers EMS

  • Real-time monitoring
  • Energy analytics
  • Smart recommendations
  • Alert system
  • Mobile app
  • Home Assistant
  • Google Home
  • Mobile 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.

Helioscope

  • Simulating photovoltaic system performance and energy yieldnot Wattwatchers EMS
  • Laying out commercial solar arrays and producing design reportsnot Wattwatchers EMS

Wattwatchers EMS

  • Energy optimizationnot Helioscope
  • Cost reductionnot Helioscope

Where each one falls short

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

Helioscope

  • Licences are single user, so each designer needs their own
  • Projects are capped at 10 a month on both Basic and Pro
  • System size is capped by plan, at 1.25 MW DC on Basic and 5 MW on Pro, so a larger array forces an upgrade regardless of project count
  • Trackers, LIDAR modelling and API access sit on the higher tiers
  • Enterprise is priced per project with no published figure

Wattwatchers EMS

  • Requires hardware installation at each monitoring point, increasing total cost of ownership
  • Built for small to medium portfolios; scaling to large portfolios may present usability challenges
  • Limited to energy monitoring; not a comprehensive building management system

Pricing, plan by plan

Helioscope

Free
  • FreeFree
    • 3 projects
    • Basic design tools
    • Shade analysis
  • Professional$95/month
    • Unlimited projects
    • Advanced shading
    • Custom reports
  • Enterprise$undefined/month
    • Everything in Pro
    • API access
    • Custom integrations

Wattwatchers EMS

On request

No published plan breakdown. See the Wattwatchers EMS review.

Which should you pick?

Choose Helioscope if

  • You need pv system design.
  • You want to start without paying.
  • You work on Web, Api.
  • You also want 3d shade modeling.
Helioscope review

Choose Wattwatchers EMS if

  • You need real-time monitoring.
  • You work on Web, iOS, Android, Cloud.
  • You also want energy analytics.
Wattwatchers EMS review

Questions people ask

Is Helioscope or Wattwatchers EMS better?
Neither clearly leads. Helioscope starts at Free and Wattwatchers EMS at On request, and user ratings are close enough to be indistinguishable. Choose on capability and platform support.
Which is cheaper, Helioscope or Wattwatchers EMS?
Helioscope has a free tier; the other does not. Paid plans start at Free for Helioscope and On request for Wattwatchers EMS.
Does Helioscope or Wattwatchers EMS run on more platforms?
Helioscope runs on Web, Api. Wattwatchers EMS runs on Web, iOS, Android, Cloud.
Can I use Helioscope for free?
Yes. Helioscope has a free tier, so you can try it without paying. Wattwatchers EMS starts at On request.
What is Helioscope best used for?
Helioscope is most often used for simulating photovoltaic system performance and energy yield, laying out commercial solar arrays and producing design reports. Of those, simulating photovoltaic system performance and energy yield and laying out commercial solar arrays and producing design reports are not what Wattwatchers EMS is typically brought in for.
What can Helioscope do that Wattwatchers EMS cannot?
Helioscope covers PV system design, 3D shade modeling, Performance simulation, Single-line diagrams. Wattwatchers EMS covers Real-time monitoring, Energy analytics, Smart recommendations, Alert system. Both handle SSL encryption, Cloud deployment, Web support.

Answered from the vendors’ own pages

Wattwatchers EMS: What data does Wattwatchers monitor?

Wattwatchers measures consumption at the device or circuit level in real-time, identifies equipment inefficiencies, and streams data through cloud dashboards for detailed energy consumption pattern analysis.

Source
Wattwatchers EMS: What web-based tools does Wattwatchers provide?

Wattwatchers provides Fleet Management for fleet overview and device health, an Onboarding tool for smartphone-based device configuration, and a Dashboard for customers to view sites and data.

Source
Wattwatchers EMS: What is the mydata.energy app?

mydata.energy is Wattwatchers' mobile application available on iPhone and Android that provides real-time energy management and monitoring for homes and small businesses.

Source
Wattwatchers EMS: How does ADEPT help with energy management?

ADEPT is Wattwatchers' agile development platform for distributed energy that enables fleet analytics, real-time performance analysis, and zero-code prototyping of custom analytics rules.

Source
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