PNN Funding Database
PNN FUNDING DATABASE
Philanthropic grants to clean energy & nuclear policy organizations, 2008–2025 IRS 990-PF · ProPublica

Who funds the
clean energy network?

A database of 1,753 documented grants to nine organizations working on clean energy and nuclear policy. Data sourced from IRS 990-PF filings. Policy Impact included for 2016, 2017, and 2022 only.

$297M
Total funding
1,753
Grants
588
Funders
32.8%
Via DAF
2008–2025
Coverage
View
$297.4M total
1,753 grants
588 unique funders
32.8% via DAF All 9 orgs · 2008–2025
Total funding by recipient
all years · all funders
DAF (anonymous)
Named donor
Annual giving
stacked by organization
20082012201620202025
Top funders
ranked by total giving
# Funder Orgs Total
Key findings
Curated views
pre-filtered datasets
About this data

Grants compiled from IRS 990-PF filings accessed via ProPublica Nonprofit Explorer. Pre-2014 data entered manually from primary filings.

Policy Impact included for 2016, 2017, and 2022 only — years with an active nuclear policy program.

DAF (donor-advised fund) donors cannot be traced to individual donors. The intermediary fund is listed as the grant source.

All figures in USD.

IRS 990-PF ProPublica 9 orgs 2008–2025 1,753 grants
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