System Advisor Model (SAM)National Renewable Energy Laboratory
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Related Products
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About
Solispec is a browser-based solar design and proposal tool for installers, PV designers, homeowners, distributors and mounting manufacturers. It combines site planning, structural checks and customer proposals. Users can model ground-mounted arrays and flat or pitched roofs, assess mounting structures for snow and wind loads, configure PV strings across MPPT inputs, and generate drawings, cutting lists and bills of materials. The software estimates PV generation and payback, shows tree and building shade in 3D, and creates branded proposals with multiple options, PDF export and a shareable acceptance link. Users can select manufacturer equipment or add their own products and prices. Homeowners can prepare preliminary plans, while professionals can manage projects and clients; Business adds team roles and engineer-review workflows. Structural outputs should be reviewed by a qualified professional before installation.
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About
Photovoltaic systems, from small residential rooftops to large utility-scale systems. Concentrating Solar Power systems for electric power generation, including parabolic trough, power tower, and linear Fresnel. Power purchase agreement (PPA) projects where the system is connected to the grid at an interconnection point, and the project earns revenue through power sales. The project may be owned and operated by a single owner or by a partnership involving a flip or leaseback arrangement. Third-party ownership is where the system is installed on the customer's (host) property and owned by a separate entity (developer), and the host is compensated for power generated by the system through either a PPA or lease agreement.
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Platforms Supported
Windows
Not Supported
Mac
Not Supported
Linux
Not Supported
Cloud
Supported
On-Premises
Not Supported
iPhone
Not Supported
iPad
Not Supported
Android
Not Supported
Chromebook
Not Supported
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Platforms Supported
Windows
Supported
Mac
Supported
Linux
Not Supported
Cloud
Not Supported
On-Premises
Not Supported
iPhone
Not Supported
iPad
Not Supported
Android
Not Supported
Chromebook
Not Supported
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Audience
Solar installers, PV design engineers, solar distributors, and mounting manufacturers.
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Audience
Techno-economic software model that facilitates decision-making for people in the renewable energy industry
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Support
Phone Support
Not Supported
24/7 Live Support
Not Supported
Online
Supported
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Support
Phone Support
Not Supported
24/7 Live Support
Not Supported
Online
Supported
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API
Offers API
Supported
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API
Offers API
Not Supported
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Screenshots and Videos |
Screenshots and Videos |
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Pricing
€9/month
Paid plans start at €9/month. Pro is €29/month or €290/year; Business is €85/month or €850/year, with three seats included and extra seats at €21/month (€210/year). White Label starts at €199/month, plus a €500 setup fee and €9/month per partner installer. Annual billing saves 16%; subscriptions renew automatically and can be canceled anytime. Pro includes a seven-day free trial; a card is required.
Free Version
Supported
Free Trial
Supported
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Pricing
No information available.
Free Version
Not Supported
Free Trial
Not Supported
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Reviews/
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Reviews/
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Training
Documentation
Supported
Webinars
Not Supported
Live Online
Not Supported
In Person
Not Supported
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Training
Documentation
Supported
Webinars
Supported
Live Online
Not Supported
In Person
Not Supported
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Company InformationSolispec
Founded: 2026
Ukraine
solispec.com/en
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Company InformationNational Renewable Energy Laboratory
Founded: 1977
United States
sam.nrel.gov/
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Categories |
Categories |
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Integrations
OpenStreetMap
Not Supported
Solcast
Supported
Stripe
Not Supported
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