A river running through a deep pine forest valley

Grant recipient EIN 33-1112770Environment

Who funds Clasp?

9 private foundations gave Clasp in Washington, DC $18 million across 30 grants, in tax years 2017 to 2024.

Grants listed on funders’ 990-PF returns for tax years 2017 to 2024, read from the IRS e-file on Nov 11, 2026. Returns reach the IRS 5 to 18 months after the year they describe.

Grants received by year

Grants from private foundations by the funder’s tax year. The latest year is in blue; it is not complete until all its returns reach the IRS.

Every foundation grant, by year

30 grants

Each line as the funder listed it on its return, newest year first, then largest.

  1. John D and Catherine T MacArthur FoundationChicago, IL 2024

    To build state-level implementation capabilities that accelerate equitable access to clean energy technologies in india

    $250,000
  2. Dunn Family Charitable FoundationAndover, MA 2024

    Unrestricted gift

    $3,500
  3. Damman Family Foundation TrustJupiter, FL 2024

    Unrestricted contribution

    $1,000
  4. Sequoia Climate FoundationIrvine, CA 2023

    To provide technical assistance support in the development of energy efficiency standards

    $4,250,000
  5. Sequoia Climate FoundationIrvine, CA 2023

    To provide technical assistance in support of energy efficiency to foster public health

    $400,000
  6. John D and Catherine T MacArthur FoundationChicago, IL 2023

    to build state-level implementation capabilities that accelerate equitable access to clean energy technologies in India

    $250,000
  7. Dunn Family Charitable FoundationAndover, MA 2023

    Unrestricted gift

    $3,000
  8. Sequoia Climate FoundationIrvine, CA 2022

    To advance appliance efficiency measures

    $1,625,000
  9. Sequoia Climate FoundationIrvine, CA 2022

    To advance federal appliance efficiency standards

    $1,000,000
  10. John D and Catherine T MacArthur FoundationChicago, IL 2022

    to accelerate adoption of the Government of India's energy efficiency policies by expanding and deepening the coverage of its Standards and Labeling program at the federal level and supporting its implementation in a cluster of Indian states

    $600,000
  11. Sequoia Climate FoundationIrvine, CA 2022

    To accelerate technical assistance in support of energy efficiency

    $400,000
  12. Dunn Family Charitable FoundationAndover, MA 2022

    Unrestricted gift

    $3,000
  13. Sequoia Climate FoundationIrvine, CA 2021

    To advance appliance efficiency measures

    $1,625,000
  14. Sequoia Climate FoundationIrvine, CA 2021

    To advance federal appliance efficiency standards

    $1,000,000
  15. John D and Catherine T MacArthur FoundationChicago, IL 2021

    to accelerate adoption of the Government of India's energy efficiency policies by expanding and deepening the coverage of its Standards and Labeling program at the federal level and supporting its implementation in a cluster of Indian states

    $500,000
  16. Sequoia Climate FoundationIrvine, CA 2021

    To improve energy efficiency standards and compliance

    $500,000
  17. Sequoia Climate FoundationIrvine, CA 2021

    To support development of cold chain efficiency standards

    $250,000
  18. The William & Flora Hewlett FoundationMenlo Park, CA 2021

    For an HR executive search

    $50,000
  19. Damman Family Foundation TrustJupiter, FL 2021

    Unrestricted contribution

    $2,000
  20. Sequoia Climate FoundationIrvine, CA 2020

    Federal appliance efficiency standards, appliance & equipment energy efficiency, cold chain efficiency standards

    $2,200,000
  21. John D and Catherine T MacArthur FoundationChicago, IL 2020

    to accelerate adoption of the Government of India's energy efficiency policies.

    $300,000
  22. Louis N Cassett FoundationPhiladelphia, PA 2020

    To further exempt purpose

    $17,000
  23. Damman Family Foundation TrustJupiter, FL 2020

    Unrestricted contribution

    $1,000
  24. Pat & Mark Warren Family FoundationClaremont, CA 2020

    Solutions for low-income people

    $1,000
  25. Wellspring Philanthropic Fund IncNew York, NY 2019

    Accelerating clean energy

    $2,000,000
  26. The William & Flora Hewlett FoundationMenlo Park, CA 2019

    For general operating support

    $400,000
  27. The William & Flora Hewlett FoundationMenlo Park, CA 2018

    For general operating support

    $400,000
  28. Damman Family Foundation TrustJupiter, FL 2018

    Unrestricted contribution

    $1,000
  29. Peale Foundation IncRedwood City, CA 2018

    Education

    $1,000
  30. Peale Foundation IncRedwood City, CA 2017

    Education

    $1,000

Funders of similar organizations nearby

Foundations that gave to other environment organizations in Washington, DC and are not among Clasp’s funders above.

  1. Amazonsmile FoundationSeattle, WA 369 grants Preselected only $3,881,732 to similar organizations
  2. JPMorgan Chase FoundationNew York, NY 114 grants Preselected only $7,656,675 to similar organizations
  3. The Pfizer Foundation IncNew York, NY 107 grants Preselected only $115,655 to similar organizations
  4. Gordon E and Betty I Moore FoundationPalo Alto, CA 281 grants Preselected only $253,547,129 to similar organizations
  5. The Bank of America Charitable Foundation IncCharlotte, NC 512 grants Accepts applications $5,893,633 to similar organizations
  6. Walton Family Foundation IncBentonville, AR 178 grants Preselected only $91,111,661 to similar organizations
  7. The David and Lucile Packard FoundationLos Altos, CA 172 grants Accepts applications $76,176,329 to similar organizations
  8. The Marisla FoundationLaguna Beach, CA 109 grants Accepts applications $22,730,000 to similar organizations

About this match

Funders write a recipient’s name and address, not its EIN. We matched these grants to EIN 33-1112770 by name and ZIP code, or by name, city and State against the IRS list of exempt organizations and our list of filers. Grants we could not tie to one organization are not counted here.