Acadia Center is a 501(c)(3) non-profit organization and relies on the generosity of individual donors and foundations to finance its work and daily operations. In 2020, over 2000 individual donors supported our mission. We are very grateful for their ongoing support. Acadia Center’s conflicts policy does not accept corporate or most government funding in order to maintain our credibility and avoid any appearance of conflict.

Find out more about getting involved in our work.


How We Use Our Funds

Acadia Center has a strong history of fiscal responsibility, with a long-standing 4-star rating from Charity Navigator, a rigorous independent evaluator. Visit the Charity Navigator profile for more information.

To learn more about donating, please visit the Support Acadia Center page.

How We Sustain Our Efforts

Support for Acadia Center’s current advocacy efforts comes from program grants from over many individuals, trusts and foundations including the following:

  • Barr Foundation
  • Common Sense Fund
  • Energy Action Fund
  • Energy Foundation
  • Energy Innovation
  • Grantham Foundation for the Protection of the Environment
  • Heising-Simons Foundation
  • Horizon Foundation
  • Island Foundation, Inc.
  • The John Merck Fund
  • Merck Family Fund
  • Onion Foundation
  • Philanthropic Ventures Foundation
  • Rhode Island Foundation
  • Tides Foundation

Financial Downloads

501(c)(3) Affirmation & Determination Letters

2022 Annual Report
2022 Audited Financial Statements
2022 990 Public Disclosure

2021 990 Public Disclosure
2021 Annual Report
2021 Audited Financial Statements

2020 990 Public Disclosure
2020 Annual Report
2020 Audited Financial Statements

2019 990 Public Disclosure
2019 Annual Report
2019 Audited Financial Statements

2018 990 Public Disclosure
2018 Annual Report
2018 Audited Financial Statements

2017 990 Public Disclosure
2017 Annual Report
2017 Audited Financial Statements

2016 990 Public Disclosure
2016 Annual Report
2016 Audited Financial Statements

2015 990 Public Disclosure
2015 Annual Report
2015 Audited Financial Statements


Federal Tax ID Number: 01-0518193
BRIDGE (Basic Registry of Identified Global Entities) Number: 0691277649