Wisconsin · Nonprofit
ALLIANT ENERGY FOUNDATION INC
ALLIANT ENERGY FOUNDATION INC (Wisconsin) receives grants from 3 organizations whose IRS filings report $96,250 to it, the largest being PERKINS COIE FOUNDATION ($36,250). 3 of them have funded it in more than one year.
Three funders worth looking at
Grantmakers with no record of funding this organization, ranked by how strongly the co-funder graph and the mission embeddings agree. The evidence is in section 03.
- The Gibson Dunn & Crutcher Foundationshared funders
- Prime Coalition Incportfolio match
- Dane Buy Local Foundation Inclocal
The organization over time
Each line starts at 100 in 2020, so what you read is the shape rather than the size: 150 means half as much again as 2020, 50 means half. The number beside each label in the key is where it ended.
Who funds it, year by year
2022 → 2023: the base broadened from 2 funders to 3 funders, grant income rose $14k → $38k.
From the IRS filings of ALLIANT ENERGY FOUNDATION INC’s funders (the co-funder graph). Association, not causation. Trends are read to FY2023, the last fiscal year that has finished arriving. FY2024–FY2026 are still being filed and are shown unshaded; they do not move any figure on this page.
How concentrated its funding is
ALLIANT ENERGY FOUNDATION INC leans on a few funders — its largest provides 38% of grant income and the top three 100%; half comes from just 2 funders.
the vertical line marks half of all grant income — 2 funders to its left
100% of the income these shares are computed over arrives through pass-through sponsors or from payers whose filings do not say what kind of payment it is. Concentration is still measured over all of it, because the money is real; what it does not support is a claim about how many institutions have chosen to fund ALLIANT ENERGY FOUNDATION INC.
Largest funder’s share by year: 2022 74% · 2023 48% — diversifying over time.
“Effective funders” = inverse Herfindahl index (1 / Σ shareᵢ²) — the number of equal-sized funders that would give the same concentration. Trends are read to FY2023, the last fiscal year that has finished arriving. FY2024–FY2026 are still being filed and are shown unshaded; they do not move any figure on this page.
Where its funders are
62% of ALLIANT ENERGY FOUNDATION INC's grant income comes from Wisconsin funders.
In-state vs out-of-state, by year
Funder states come from each funder’s own filing. Trends are read to FY2023, the last fiscal year that has finished arriving. FY2024–FY2026 are still being filed and are shown unshaded; they do not move any figure on this page.
Funders to approach
Grantmakers that don’t fund you yet, surfaced two ways: they back organizations that share your funders, or their grantees resemble your mission. The ones both signals agree on come first.
- The Gibson Dunn & Crutcher Foundationshared fundersCA · backs 47 organizations that share your funders
- Prime Coalition Incportfolio matchits grantees resemble your mission
- Dane Buy Local Foundation InclocalWI · funds 1293 organizations near you
- American Clean Power Associationportfolio matchits grantees resemble your mission
- Conservative Energy Networkportfolio matchits grantees resemble your mission
- Elton Family Foundationportfolio matchits grantees resemble your mission
- Youredjian Family Charitable Foundationportfolio matchits grantees resemble your mission
- Douglas & Allison Frey Foundation Incportfolio matchits grantees resemble your mission
- Ryan and Ashley Smith Foundationportfolio matchits grantees resemble your mission
- Michael Antonov Charitable Foundation Incportfolio matchits grantees resemble your mission
- Terwilliger Family Foundation Incportfolio matchits grantees resemble your mission
- Artistic Resources in Action Foundationportfolio matchits grantees resemble your mission
From the co-funder graph (funders backing at least two comparable organizations, shrunk for grantee count, donor-advised and mega-funds excluded) and the universe embeddings. A research starting point; overlap is association, not a guarantee of fit.
Organizations like ALLIANT ENERGY FOUNDATION INC
Nonprofits whose mission and program text most resemble this one, by semantic similarity over the universe of US filings — the closest peers, and often the clearest route to shared or prospective funders.
In Wisconsin
Nationally
Read directly from this organization’s own Form 990, as neutral context.
Screen this organization
A dated, signed PDF of the compliance screen for ALLIANT ENERGY FOUNDATION INC: IRS status (Business Master File, Publication 78, auto-revocation), the OFAC sanctions lists, the Internal Revenue Bulletin, and California registration, with the Rev. Proc. 2018-32 §8.01 reliance elements stated element by element. Generated from the current files at the moment you download it.
Screens are triage, not determinations; a source that cannot be read reports not screened, never clear. How the screen works · on the API as GET /api/screening/{ein}?format=pdf
Questions and answers
- Who funds ALLIANT ENERGY FOUNDATION INC?
- ALLIANT ENERGY FOUNDATION INC (Wisconsin) receives grants from 3 organizations whose IRS filings report $96,250 to it, the largest being PERKINS COIE FOUNDATION ($36,250). 3 of them have funded it in more than one year.
- How many funders does ALLIANT ENERGY FOUNDATION INC have?
- IRS filings report 3 organizations giving $96,250 in grants to ALLIANT ENERGY FOUNDATION INC, 3 of which have funded it in more than one year.
- Who is the largest funder of ALLIANT ENERGY FOUNDATION INC?
- PERKINS COIE FOUNDATION is the largest funder on record, with $36,250 in grants. The full list of funders is on this page.
- How can an organization like ALLIANT ENERGY FOUNDATION INC find more funders?
- Start with the funders already giving here, then look at the foundations that back similar organizations in Wisconsin. The funding by cause and by state pages list the largest funders for a given area and how to approach them.
These figures are read directly from IRS Form 990 / 990-PF e-file XML: this organization’s own return for FY2025 (financials across 2020–2025), and the filings of 3funders that report grants to it. “On record” means captured in the filings we have parsed — a funder that does not e-file, or whose grant detail is not itemized, will not appear. Filings run roughly 12–24 months behind. Trends on this page end at FY2023, the last fiscal year that has finished arriving; later years are shown and marked, and move no figure. Data on this page was exported August 27, 2026. What this page cannot tell you · view filing