How much funding does Core Fund provide?

The listing does not state a funding amount. Check the funder's announcement for specifics.

When is the deadline for Core Fund?

The funder has not published a deadline for this grant.

Who is eligible for Core Fund?

Eligible applicants: Grassroots nonprofit organizations. Geography: Community-based organizations.

How often is Core Fund offered?

Core Fund accepts applications on a rolling basis.

Core Fund

Honnold Foundation

Foundation Annual Grants for Grassroots Organizations Solar Energy Grants Environmental Justice Grants Grants for BIPOC

Funding Amount

Not stated

Deadline

Deadline not published

Grant Type

Foundation

Deadline history & next window

Cycle: Rolling — applications accepted year-round
Tracked since: April 2026

From the program guidelines: “The Foundation accepts applications for the Core Fund on a rolling basis.”

Can we apply?

Check your organization against each line. Taken from the listing; confirm with the funder's guidelines.

Eligible organizations

Grassroots nonprofit organizations

Geography

Community-based organizations

Other requirements

Organizations working in marginalized/frontline communities

Overview

Geographic Scope: Worldwide (initially open to organizations globally; refined focus over time)

Focus Areas:

Solar energy access projects
Community-owned and community-centered solutions
Grassroots organizations using solar energy to address social and economic disparities
Energy access in marginalized and frontline communities
Projects addressing climate change impacts while ensuring clean energy access

Key Details:

Received 700+ applications in first month from 40+ countries
Narrowed application focus in 2021 to better reflect served communities
Received 400+ applications in 2021
Over 2,000 total applications received since inception
Supported 26 organizations across 17 countries (as of 2022)
$90 million funding gap identified for potential projects

Example Partner Projects:

Kara Solar: Solar-powered canoes in Amazon providing transportation and preventing deforestation
Tusobola Women Initiative Network: Solar installations at 7 rural health clinics in Uganda
Coalfield Development: Solar array on nonprofit building with job training for former coal miners in West Virginia
KOPPESDA: 300 solar home systems using recycled e-waste in Indonesia

Eligibility:

Grassroots nonprofit organizations
Community-based organizations
Organizations working in marginalized/frontline communities

Background:
The Foundation aims to fund organizations using solar energy to create opportunity, increase social equity, and build more resilient communities. Community ownership and leadership are central to the funding philosophy.

How to Apply

Application Process

The Foundation accepts applications for the Core Fund on a rolling basis. Applicants should:

Visit the Honnold Foundation website for application portal and guidelines
Submit applications detailing:
- Organization background and mission
- Proposed solar energy project
- Community impact and outcomes
- Implementation timeline
- Budget and funding request

Note: Specific application materials and detailed requirements are referenced on the website but full details not provided in source material.

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What Honnold Foundation actually gave

Source: IRS Form 990, 2024

Grants in 2024: 12
Total given: $645K
Median grant: $45K
Range: $8,000–$120K

By dollars: California 21%, Puerto Rico 19%, New Mexico 16%. Top recipient cities: Arecibo, PR; Albuquerque, NM; New Orleans, LA.
0% of grants with a stated purpose were for general or operating support.
83% of recipients were new grantees, not repeat recipients.