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The Solar and Storage Industry’s Most Intelligent Tool

ETB Developer is the gold standard for utility rate and financial analysis of solar + storage projects. Streamline your sales process. Create professional proposals.

Are you still trying to analyze and sell projects the old way?

Time Consuming
Outdated rate schedules

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Can’t model TOU rates,
NEM 2.0 or storage
Hard to present to a client


We’ve built a better way

Create custom proposals in minutes

"ETB is light years ahead of any proposal tool on the market. It allows me to model time-of-use rates & energy storage quickly and accurately. I highly recommend ETB if you want to grow your business."

- Keith Graves, KG Solar Solutions

Watch us do it in 3 minutes!

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Precise Financial Analysis

We're obsessed with accuracy. We precisely calculate utility costs, energy savings, and project economics in a transparent & defensible way.

Brilliant Proposals

Choose from our library of templates or create your own from scratch. Fully white-labeled and customizable. Communicate your story and value proposition.

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Always Up To Date Utility Rates

We're the only SaaS tool that has an in-house utility rates team. We are directly accountable for our rates. This is too important a task to outsource.

Intuitive, Fast, Responsive

Easy on-boarding, get up to speed quickly. We've redesigned our workflows for a fast and intuitive user experience. Quickly create proposals that close.

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Best-in-Class Support and Customer Service

Dedicated Account Manager
Onboarding and Account Setup
Proposal Template Assistance
Custom Utility Rates
Policy Updates

We Let Our Customers Do The Talking

Marketing claims are cheap. Hear why our customers love ETB Developer.

Hear what they have to say!

REC Solar

“Energy Toolbase has streamlined our rate analysis process, and taken the pain and time out of modeling in new territories as our customers continue to expand.”

Ygrene Energy

"Energy Toolbase has become the gold standard for utility rate and avoided cost analysis of solar projects."


“ETB gives us the ability to optimize the solar and storage system size in order to maximize value for our customers. We can perform what is usually a difficult task very quickly and accurately.”


“Energy Toolbase’s product usability and customer service is the best in the industry.”