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Rocky Mountain Institute

Boulder, Colorado · EIN 74-2244146 · tax-exempt since 1982

C

Charity Clarity grade C (score 67.2 of 100), based on the Form 990 for the year ended June 2025.

Graded against 4,588 unclassified nonprofits with revenue over $50M filing the same form. A = top 10%, B = next 20%, C = middle 40%, D = next 20%, F = bottom 10%.

What goes into the grade

MeasureThis charityScore (0–100)
ReservesMonths of spending covered by unrestricted net assets.9.2 months94
GovernanceBoard independence, key policies and audit, per the 990.84% of practices84
Margin stabilityHow steady the surplus or deficit is year to year.32
Revenue spreadHow much revenue rests on one type of income.84% from one source21
Filing recordOn-time, complete filings, year after year.100%100
Program spendingSelf-reported by the filer.93.1%not scored
Management costsShare of spending.1.2%not scored
Cost to raise $1Fundraising cost per dollar given.$0.05not scored

Scores compare this charity with its peer group; 100 is best. How Charity Clarity rates charities.

Year by year

2016201720182019202020212022202320242025grey: revenue · green: spending
Year endedFormRevenueSpendingSurplusNet assetsMonths of spendingStaffGrade
Jun 2025Form 990$174.92M$159.01M$15.90M$121.31M9.2717C
Jun 2024Form 990$164.73M$160.01M$4.72M$103.77M7.8682B
Jun 2023Form 990$139.40M$141.16M−$1.76M$96.36M8.2628C
Jun 2022Form 990$116.98M$107.20M$9.78M$97.69M10.9455C
Jun 2021Form 990$115.11M$66.41M$48.69M$92.07M16.6297C
Jun 2020Form 990$61.86M$52.62M$9.24M$44.19M10.1261B
Jun 2019Form 990$53.50M$44.95M$8.56M$35.24M9.4221C
Jun 2018Form 990$42.32M$39.85M$2.47M$26.77M8.1185B
Jun 2017Form 990$36.39M$33.40M$2.99M$24.36M8.8170C
Jun 2016Form 990$29.48M$29.31M$164K$23.47M9.6164B

From the organisation’s own IRS filings. “Months of spending” is total net assets divided by a month of that year’s spending. A blank grade means that year was not rated.

Read the filings

Every figure here comes from the returns this charity filed with the IRS. These sites show the full returns and more about the organisation: