Funding Programs

There are multiple funding opportunities available at the State and Federal Level for projects related to clean transportation and energy.

HSEO Diesel Replacement Rebate

Hawaiian Electric Charge Up eBus Pilot Program

Hawaii Energy Electric Vehicle Charging Station (EVCS) Rebates

Inclusive Energy Innovation Prize

Hawaii State Energy Office (HSEO) Diesel Replacement Rebate (DRR)

Application period open: October 29, 2021

Deadline: Funds will be distributed on a first-come, first-served basis.

Applicant Eligibility: Any public or private organization within the State of Hawaii with eligible projects.

Project Eligibility: School buses, transit/shuttle/tour buses (Class 5+), medium- or heavy-duty diesel vehicles (Class 5 through 8) to be replaced by battery-electric equivalent (see website for additional eligibility rules). Funds can also be used toward the purchase and installation of one charging unit per vehicle.

Rebate Amount: Up to 45% of the total project request but no more than $1.2 million per entity

Source of Funding: DRR will have about $2.1 million available at the time of launch

Application Information: Applicants can submit multiple applications. One application per unit is needed if you are requesting funding for multiple vehicles. Applications will be reviewed in the order they are received.

Additional Information: HSEO held an informational webinar on October 21, 2021. You can view the recording of that webinar here.  Learn more at:


Fleet operators are encouraged to apply for all of the programs they qualify for to get the greatest chances at funding. However, for each project, funding may only be taken from one of the three programs. Rebates from multiple Federal sources cannot be combined.

Hawaiian Electric Charge Up eBus Pilot Program

Launch Date: February 2022 (expected)

Eligibility: Must be an electric on-road bus charging facility with an existing commercial account under Schedule J or Schedule P.

Responsibility of Participant: Participants will need to select, purchase, install, and operate the EV charging equipment. Participants will also need to submit proof of electric bus or bus conversion, charging equipment, and network service.

Responsibility of Hawaiian Electric: Hawaiian Electric will pay for, construct, own, and maintain the electrical infrastructure including the electric panel that the charging station will connect to.

Meter and Rates: A dedicated meter to eBus charging is required and it will be serviced on E-Bus-J and E-Bus-P rates, which offer lower rates for charging in off-peak or mid-day periods.

Additional Information: Enrollment is limited to a total of 20 eligible customer accounts on Oahu, Maui, and Hawaii Island through December 31, 2023. 

Learn more at:

Hawai'i Energy Electric Vehicle Charging Station (EVCS) Rebates

Application period open: Application now open

Eligibility: Rebates available for EV charging stations installed between January 1, 2021 and June 30, 2022

Available Rebates:

  • Level 2 Station (must have at least 2 ports)
    • New installation: $4,500 per networked station
    • Retrofit $3,000 per networked station
    • Additional funding available at affordable housing properties installing new Level 2 EVCS
      • Existing affordable housing development: $5,000
      • New affordable housing developments: $1,500
  • DC Fast-Charging Station
    • New installation: $35,000 per networked station
    • Retrofit: $28,000 per networked station

Maximum Rebate Amount: Applicants can receive up to six Level 2 Charging Station rebates (up to $27,000) per site or up to two DC Fast-Charger rebates (up to $35,000) per utility customer.

Funding Available: $163,000 total available, see Hawaii Energy website for current available funds.

Application Information: Applications are processed and funds are distributed on a first-come, first-served basis. Applications must be received within 12 months of the date that the qualifying charging station was installed, activated, and made available for use.

Additional Information:

Inclusive Energy Innovation Prize

The U.S. Department of Energy is looking for individuals, teams, and organizations with projects ideas that help advance us toward a diverse and equitable clean energy future.

The Inclusive Energy and Innovation Prize aims to fund “activities related to climate and clean energy that support, build trust, and strengthen relationships and partnerships with disadvantaged communities. Specifically, this prize seeks to enable and enhance business and technology incubation, acceleration, and other community-based and university-based entrepreneurship and innovation in climate and clean energy technologies."

Prize Opens: September 2021

Deadline: February 25, 2022 at 5pm EST (2pm HST)

Phase One Winner Announced: March 2022

Eligibility: Individuals, private entities, academic institutions, and non-federal government entities (see the website for additional eligibility information) with projects focused on a more just and equitable transition to a clean energy economy.

Submission Information: Submission will require a cover page, summary slide, three-minute video pitch, and impact plan (see website for specific requirements and suggestions for each section).

Prize: Up to 10 winning teams will receive $200,000 each to carry out the activity described in their impact plans.

Funding: Sponsored by the U.S. Department of Energy Office of Energy Efficiency and Renewable Energy

Additional Information: