Funding Amount

At least $1,000,000 total

Deadline

Deadline not published

Grant Type

Foundation

Deadline history & next window

Cycle
One-time opportunity
Tracked since
April 2026

Source: the cycle recorded on this listing. Confirm dates with the funder.

Overview

Geographic Scope: United States and Global South; worldwide

Focus Areas:

  • Grassroots organizations using solar energy to address social and economic disparities
  • Scalable and precedent-setting solar energy projects
  • Solutions addressing energy inequity in underserved communities
  • Multifaceted solar applications (education, water access, transportation, etc.)

Funding Goal: Raise at least $1 million over 12 months from launch

Purpose:

  • Support current Honnold Foundation grantee partners to scale and expand their work
  • Fund new grantee partners with innovative solar solutions
  • Address the identified $90 million funding gap for potential projects

Geographic Examples:

  • Indian Himalayas
  • Ecuadorian Amazon
  • Memphis, Tennessee (USA)
  • Navajo Nation (USA)

Partner Requirements:

  • Grantee Partners must be scalable and precedent-setting
  • Must demonstrate how solar can address global energy inequity
  • Community-centered approach

Funding Sources:

  • Sunrun committed $50,000 as matching funds (December 2021)
  • Additional donations sought through fundraising
  • Foundation working to identify values-aligned corporations and foundations for matching gifts

Background:
Launched in partnership with Sunrun (nation's leading home solar provider). Sunrun has prior partnership history with Honnold Foundation through Community Fund (launched September 2020).

How to Apply

Application Process

Call for Applications: Opened January 2022

Applications welcome from:

  • Community-based organizations serving marginalized communities
  • Organizations in the U.S. and around the world
  • Both new and existing Honnold Foundation partners

Application Details: Specific application materials and step-by-step process details not provided in source material.

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.

Example grants

  • Mesa Multisectorial Bosque MO · Arecibo, PR

    solar energy

    $120K

  • Sovereign Energy · Albuquerque, NM

    solar energy

    $100K

  • Feed the Second Line · New Orleans, LA

    solar energy

    $80K

  • Red Lake Band of Chippewa Ind · Red Lake, MN

    solar energy

    $73K

  • Mariposa Dr Foundation · Ithaca, NY

    solar energy

    $60K

IRS Form 990, 2024. Amounts as reported by the funder. Full 990 history →

Focus Areas & Funding Uses

Fields of Work

  • Grassroots
  • Solar
  • Environmental justice

Categories

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