GPM Horizon
GPM Horizon: GPM Horizon centralizes operational visibility and asset workflows across renewable plants. Ranked #16 of 18 in Solar Software by our editors (5.8/10); pricing: Pricing on request; best for mid-market and enterprise multi-plant operators.
At a glance
- Editor score5.8 / 10
- PricingPricing on request
- Best forMid-market and enterprise multi-plant operators
- PV design & simulationNo
- Facts checked24 Sep 2026
Where it wins
- Centralizes operational visibility across multiple renewable plants
- Provides cloud access to plant information
- Supports performance oversight and multi-plant asset workflows
Where it doesn't
- Does not cover design simulation
- Does not include financial modeling or proposal building
- Pricing is handled through contact with sales
Our verdict on GPM Horizon
For asset owners and operators overseeing geographically distributed renewable plants, GPM Horizon brings plant information into a cloud-based environment for centralized management. Its focus is operational: teams can view performance and operational data across assets and use multi-plant asset-management workflows. It is a fit for mid-market and enterprise organizations coordinating several plants, rather than teams seeking software for designing projects or preparing their economics and proposals.
The central value is breadth across assets, not depth in project development. Unified management and centralized visibility make the product relevant when oversight spans multiple renewable plants and operators need plant information in one cloud environment. Performance oversight is part of that scope, as are operational workflows for managing assets. The published feature set does not include design simulation, financial modeling, or proposal building, so organizations evaluating a broader solar project lifecycle tool should consider an alternative that explicitly covers those tasks.
GPM Horizon is offered as a web platform with cloud deployment. According to GreenPowerMonitor's product information, pricing and plan details are not published there; the pricing model is contact sales. That means prospective buyers should discuss commercial terms directly with the vendor. Choose Horizon if centralized operational oversight across multiple renewable plants is the priority. It is less suited to buyers who need a design-to-proposal workflow, or who want published tier comparisons to assess costs before contacting sales.
GPM Horizon pricing
GPM Horizon fact sheet
| Free plan | Not verified |
|---|---|
| Paid from | Not verified |
| PV design & simulation | No |
| Financial modeling | No |
| Proposal builder | No |
| System monitoring | Yes |
| Permit documentation | No |
| Deployment platform | Web |
| Deployment | Cloud |
| Platforms | Web |
| Built for | Mid-market, Enterprise (editorial estimate) |
| Pricing | Pricing on request |
| Website | greenpowermonitor.com |
| Facts checked | 24 Sep 2026 |
Alternatives to GPM Horizon
- OpenSolarA free core app covers solar design, sales and project management in one workflow.9.0
- Aurora SolarA detailed solar sales and design workspace, with a $159-per-user monthly entry price.8.0
- SolargrafA web-based solar design and sales tool with proposal, financing, and permit workflows.8.0
See all GPM Horizon alternatives →
Used GPM Horizon? Be the first to review it
The editor score above is our own research. What this page doesn't have yet is a reader's view — what you used GPM Horizon for, what worked and what didn't. No stars are seeded and no review is paid for; an editor reads every one before it appears.
Write a reviewTwo minutes · verified accounts only · read by an editor before it appears
Featured on iTechGuides
GPM Horizon is listed in our Solar Software directory. Add the badge to your site — it links back to this page.
<a href="https://www.itechguides.com/products/gpm-horizon/"><img src="https://www.itechguides.com/best/badge/gpm-horizon.svg" alt="Featured on iTechGuides" width="230" height="46"></a>
Guides on solar software
- The 5 Best Solar Phone Chargers, Tested and ReviewedAug 2026
- Best Solar Panels Of 2026Aug 2026
- Best Solar Inverters of 2025: A U.S. Homeowner’s Buying GuideAug 2026
Reviewed by iTechGuides Editors · Editorial team · Updated Sep 2026
Advertiser disclosure: iTechGuides is reader-supported. We may earn a commission when you click some links. How we rank.
Last updated · How we research and update