Utility bill in, branded solar proposal out. A white-label platform that does the paperwork commercial solar reps used to do by hand.
Visit wattfoundry.aiThe problem
A commercial solar proposal pulls from a lot of places: a year of utility bills, the right rate schedule, a financial model, a system design, incentives, and financing options.
Reps were moving numbers between five tools by hand. Every retyped number was a chance to be wrong in front of a customer and their bank.
What the app does
Here is what an installer's customer actually receives, and what WattFoundry does to produce it.

Upload bills or interval data and WattFoundry parses the usage, finds the rate schedule (including time-of-use and demand charges), and builds the financial model in Energy Toolbase automatically. No retyping.

Satellite-based layout for roof, ballasted, and ground-mount arrays, then transparent line-item pricing with incentives like the federal tax credit applied.

Not a PDF attachment: a web proposal in the installer's brand with the headline number up front, multi-site portfolios, and financing options side by side.

A 25-year cash flow with payback year and cumulative savings, the page lenders and finance committees look for.

Proposals work on any device. Customers accept, decline, or request changes online, and the installer sees it immediately.
Screens from a WattFoundry demo proposal with sample data.
The result
Installers send branded, bank-ready proposals without touching a spreadsheet. More than $7M in commercial solar projects have been priced through the platform so far, across Arizona, California, and Oregon.
More work: BrightWatt Solar · American Mahjong
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