INTERNATIONAL SUSTAINABLE ENERGY FOUNDATION

AUSTIN, TX, 78705-1849 (512) 923-5462 Est. 2021 EIN 87-2509491
C99 - Environment N.E.C. 990 - Public charity return 501(c)(3)

Mission

International Sustainable Energy Foundation's mission is to promote an environmentally sustainable and climate friendly world by supporting climate action that contribute to preservation of the environment, including access for development, adaptation, air quality, climate finance, cities & urban planning, decarbonization, just transition, land-use, low carbon development, resilience, smart agriculture, sustainable energy policies, water etc. within a sustainable development paradigm.We promote public-private partnerships and leverage national and international philanthropic foundations and expert networks to assist in climate action that help different countries arrive at pathways for a low carbon development and make development wholesome considering co-benefits like health and the needs of the poorer sections of society.

Giving Portfolio

Total Grants
48
Total Giving
$10.0M
Recipients
30
Years Active
2023 - 2024
Avg grant: $211,417 Median: $177,572

Yearly Trends

YearGrantsTotal Giving Avg GrantNewRepeat
202428$5.4M $192K117
202320$4.6M $231K120

Sectors Funded

Environment
16
Science & Technology
7
International & Foreign Affairs
7
Public & Societal Benefit
3
Unknown
2
Education
1

Top States

District of Columbia
12
New York
9
California
8
North Carolina
6
Pennsylvania
5
Delaware
2
Arizona
2
Ohio
1
and 3 more states

Grantee Size Profile

Over $50M
21
$10M - $50M
15
$1M - $5M
5
$500K - $1M
1

Top Grantees

Page 1 of 3

Grants Awarded · 42 grants

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Financials

Total Revenue
$30,080,227
Total Expenses
$30,618,687
Net Assets
$35,866,525
3 employees
From latest filing (tax period ending 2024-12-31)

Financial Health

Operating Reserve
14.1 months Healthy
Net assets / monthly expenses
Year-over-Year Change
Revenue ↓ 18.4%
Expenses ↑ 31.5%
Revenue Sources
Contributions 97.6% Investment 2.4%
Expense Breakdown
Program 97.4% Management 1.2% Fundraising 1.4%

Officers & Trustees (5)

Individual compensation is available on Grow plans.

Filing History (3 filings)

YearRevenueExpensesNet Assets
2024 990 - Public charity return
Jan 1, 2024 to Dec 31, 2024
$30,080,227 ↓$30,618,687$35,866,525
2023 990 - Public charity return
Jan 1, 2023 to Dec 31, 2023
$36,864,355 ↑$23,279,271$36,404,985
2022 990 - Public charity return
Jan 1, 2022 to Dec 31, 2022
$24,223,116 $1,403,215$22,819,901

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EIN: 87-2509491 · Source: IRS Form 990 e-file data