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International Sustainable Energy

AUSTIN, TX EIN: 87-2509491 Website

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.

Financial Overview

From 2024 IRS Form 990-PF · View filing

Total Assets

$48.2M

+6.5% YoY

Revenue

$30.1M

-18.4% YoY

Net Investment Income

$736K

+92.7% YoY

Expenses

$30.6M

+31.5% YoY

About International Sustainable Energy

Based on IRS filings

International Sustainable Energy is a nonprofit organization focused on Environment & Animals, based in AUSTIN, TX. IRS filing data is available from 2022 through 2024. As of 2024, the organization holds $48.2M in total assets. Net investment income was $736K.

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Geographic Focus

Where this funder awards grants

Grant Distribution by State

7states

Cities

BoulderBreinigsvilleDavisNew YorkOld BridgePittsburghResearch Triangle ParkWashington

Financial History

Multi-year comparison from IRS filings

Revenue
Expenses
Qualifying Distributions
Net Investment Income
$0$10M$20M$30M$41M202220232024
Metric202420232022
Total Assets$48,154,884$45,212,125$23,831,431
Revenue$30,080,227$36,864,355$24,223,116
Expenses$30,618,687$23,279,271$1,403,215
Qualifying Distributions
Net Investment Income$736,289$382,117$16,678
Distributable Amount

Giving Over Time

Total grant dollars and number of grants per year

$0$1M$2M$3M$5M0 grants202220 grants20230 grants2024

Grant Insights

How this funder distributes its grants

Top Recipients

Top 0 recipients in 2024

Grant Size Distribution

20 grants across all recorded years

1<$50K$50–100K12$100–250K6$250–500K1$500K–1M$1–5M$5M+

Giving History

Grant recipients and amounts by year

No grants recorded for .

Leadership & Key People

Officers and directors from IRS filings

Compensation Overview

From 2024 IRS filing

Chris MunsonPresident$80K

From 2024 filing

NameTitleHoursCompensation
Chris MunsonPresident15$79,750
Elizabeth McKeonDirector
Nathan ArgentDirector
Tejas VakilDirector
SatKartar KhalsaDirector

Subject Areas

Focus areas based on grantmaking activity

Related Funders

Similar funders by location and focus area

Data last updated April 2026. Sourced from IRS Form 990-PF filings.

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