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Pencil makes it easy to find and calculate incentives for your energy project.

Our team reviews federal, state, and local incentives that are applicable to your energy project, so you don't have to.

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Pencil a project

1. Enter proposed project address

This lets us cross-reference hundreds of incentives that rely on geographies

2. Describe your project

Such as technologies involved, and customer type (e.g. residential, commercial)

3. Generate an estimate

Pencil identifies the specific incentives applicable to the project and generates an initial estimate

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Homeowners and renters looking to make the most of an electrification project

Project Developers

Deploying electrification projects


Empowering industry with the tools to lead the energy transition

Financial Institutions & Services

Financing the energy transition

Non-profits & Community Organizations

Leading outreach, education, and promoting equity

Clients & Partners

Let's Get Started

Get in touch to start working with us!


  • What technologies do you support?
    We currently support all technologies across home and building electrification, weatherization, and electric vehicles. Please contact us if you have a pressing need for a specific technology.
  • What regions do you cover?
    We support all of California and have expanded to include 15 states and counting. Our current focus is on deepening coverage in Colorado, New York, and Massachusetts, but please contact us if you have a pressing need for a specific state/region.
  • How is this different from other websites that provide information on incentives?
    While other sites provide incentive information, we are the only structured data set for energy incentives. Meaning that we don't just offer a bulleted list of requirements and eligibility conditions, but we have structured this information to enable you to dynamically compute eligibility and total incentive amounts based on some specified parameters.
  • Can I provide feedback on the API?
    Absolutely! We’d love your feedback, feature requests, or bugs you’ve found. Please feel free to let us know by emailing
  • How does authentication and authorization work?
    Every client making requests to the API is required to have API keys. You can register for API keys here. The Pencil API uses basic HTTP authentication in which API keys are required to be passed in the headers of each request.
  • How do I get started with the API?
    You can get started by requesting API keys here or by emailing You can also view our API documentation, which has more information on how to get started integrating with the API. Please note that the API documentation is only available by request. Please visit our API Product Page to learn more.
  • Are there any best practices or optimization tips for using the Pencil API?
    Search We support hundreds of different technology types from mini-split ductless heat pumps to electric bicycles, just to name a few. While we’ll be making search simpler, particularly via the technology parameter, over the next few months we recommend that you familiarize yourself with the technology categories we support to return the most relevant results. Eligibility Requirements To understand precisely what project requirements must be satisfied to be eligible for an incentive program, look no further than the /projects/{projectId}/incentives endpoint. Address information We support many different granularities of location information. While providing a full address (street number, street, city, and zip code) will provide the most precise and relevant results, we also accept lat/long coordinates, partial addresses, city, or zip codes only as well. Use caution when making a request to any location less detailed than an address or lat/long coordinate as some areas include more than one administrator (for instance, zip codes occasionally have two or more electric utilities that service addresses within those areas).
  • What are the key features and capabilities of the API?
    Key features of the Pencil API include Exploring what incentive programs may apply to you or your customer’s project Filter by project characteristics Understand what requirements must be complied with to be eligible for different programs Understand how different programs may stack together to provide more value and benefits to you or your customers [Coming soon!] Get an estimate of the incentive dollar amounts you or your customers are projected to receive [Coming soon!] All with the ease of use and customization that comes with integrating an API
  • What is the roadmap for future updates and enhancements?
    We’re constantly adding new programs and regions to our database of incentives. We’re also working on a number of new features including more precise incentive value estimates, making search easier, and notifications for program changes, which should be rolling out over the next few months.
  • What kind of support or SLA is offered?
    We promise to respond to your support requests within 24 hours. You can always reach out to our support team by emailing or filling out a support request below.
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