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Instant solar assessments at your fingertips
Data and tools to discover and vet opportunities for solar PV
Contact UsData Integration
Access bankable solar data through the easy-to-use Solar Widget or build your own custom integration – all built on a powerful API
Drop the Solar Widget directly into your website
A ready-to-go user interface to bring solar data directly to your customers, allowing them to see their potential right away
Try the live widget
Build your own solar apps with full API access
Use solar data to develop your own customized consumer-facing and back-of-the-house apps
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Solar System™
Public, city-level irradiance forecasting maps to help citizens, businesses, and government understand solar
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Massachusetts
Wellfleet, MA
Massachusetts Audubon Society
Boston, MA
Cambridge, MA
City of Cambridge (CDD)
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International
Vitacura
Antofagasta
Lo Barnechea
Solar Widget
Quickly and easily integrate Mapdwell's rooftop solar assessments into your website
Try it out by searching for an address like "10 Park St, Medford, MA 02155", or any address in Medford, MA.
Bankable solar PV forecasting
Best-in-class forecasting technology, licensed exclusively from MIT
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Mapdwell produces full shading analyses based on real rooftop geometry, taking into account local weather as well as vegetation, neighboring structures and other obstructions. Local intelligence for incentives and cost estimates is baked into every analysis.
Methods used and validated by



Coming to a roof near you
We're constantly expanding – 30M+ buildings and counting – across the US and internationally too...
