Nonprofit · EIN 88-1327537
SOLAR AND STORAGE INDUSTRIES INSTITUTE
Tax-exempt · WASHINGTON, DC 20005
Financials
| Year ended | Form | Revenue | Expenses | Net income | Total assets | Liabilities | Net assets |
|---|---|---|---|---|---|---|---|
| December 31, 2024 | 990 | $1,403,997 | $1,406,397 | -$2,400 | $1,608,125 | $1,407,539 | $200,586 |
| December 31, 2023 | 990 | $704,954 | $583,118 | $121,836 | $369,139 | $166,153 | $202,986 |
Financial details: 990 for the year ended December 31, 2024
Revenue
- Contributions, gifts and grants
- $1,053,997
- of which government grants
- $454,394
- Membership dues
- $215,000
- Program service revenue
- $350,000
- Investment income
- $0
- Other revenue
- $0
Expenses
- Grants and similar amounts paid
- $0
- Compensation of officers, directors and key employees
- $294,471
- Other salaries and wages
- $317,487
- Salaries, compensation and benefits (total)
- $704,581
- Professional fundraising fees
- $0
- Accounting fees
- $12,916
- Travel
- $38,360
- Depreciation
- $787
- Program services (functional)
- $1,201,257
- Management and general (functional)
- $205,140
Balance sheet and other
- Total assets, start of year
- $369,139
- Total assets, end of year
- $1,608,125
- Total liabilities, end of year
- $1,407,539
- Net assets, end of year
- $200,586
- Land, buildings and equipment
- $1,179
- Net assets without donor restrictions
- $200,586
- Gross receipts
- $1,403,997
- Employees
- 0
- Volunteers
- 6
- Year formed
- 2022
- State of legal domicile
- DC
From the e-filed returns the IRS publishes as XML (latest three processing years; amended returns replace the original). PDF copies at the IRS.
Officers, directors and key employees
As listed on the 990 for the year ended December 31, 2024, highest compensation first.
| Name | Title | Hours / week | Compensation | From related orgs | Other / benefits |
|---|---|---|---|---|---|
| ABIGAIL HOPPER | BOARD CHAIR Trustee or director, Officer | 2 | $0 | $1,287,301 | $40,731 |
| DAVID GAHL | EXECUTIVE DIRECTOR Officer | 2 | $0 | $252,932 | $41,538 |
| SHAWN M RUMERY | SENIOR PROGRAM DIRECTOR OF SI2 Highest-paid employee | 2 | $0 | $137,932 | $36,769 |
| SARAH CONLEY-BALLEW | DIR. OF OPERATIONS & DEVEL Highest-paid employee | 2 | $0 | $111,755 | $24,359 |
| DARREN VAN'T HOF | SECRETARY Trustee or director, Officer | 0.5 | $0 | $0 | $0 |
| RYAN PFAFF | TREASURER Trustee or director, Officer | 0.5 | $0 | $0 | $0 |
| LAURA STERN | DIRECTOR Trustee or director | 0.5 | $0 | $0 | $0 |
| LISA ANNE HAMILTON | DIRECTOR Trustee or director | 0.5 | $0 | $0 | $0 |
| KEALLY DEWITT | DIRECTOR Trustee or director | 0.5 | $0 | $0 | $0 |
| AMY FUERSTENAU | DIRECTOR Trustee or director | 0.5 | $0 | $0 | $0 |
990 for the year ended December 31, 2023: 7 people
| Name | Title | Hours / week | Compensation | From related orgs | Other / benefits |
|---|---|---|---|---|---|
| ABIGAIL HOPPER | BOARD CHAIR Trustee or director, Officer | 2 | $0 | $1,163,993 | $43,965 |
| DAVID GAHL | EXECUTIVE DIRECTOR Officer | 2 | $0 | $183,742 | $39,485 |
| SARAH CONLEY-BALLEW | DIR. OF OPERATIONS & DEVELOPMENT Highest-paid employee | 2 | $0 | $102,555 | $24,739 |
| GEORGE HERSHMAN | SECRETARY Trustee or director, Officer | 0.5 | $0 | $0 | $0 |
| RYAN PFAFF | TREASURER Trustee or director, Officer | 0.5 | $0 | $0 | $0 |
| LAURA STERN | DIRECTOR Trustee or director | 0.5 | $0 | $0 | $0 |
| LISA ANNE HAMILTON | DIRECTOR (BEG. 07/23) Trustee or director | 0.5 | $0 | $0 | $0 |
Address and contacts
- Address (IRS master file)
- 1425 K ST NW STE 1000, WASHINGTON, DC 20005-3815
- In care of
- % DAVID GAHL
- Principal officer (990 for 2024)
- DAVID GAHL, 1425 K ST NW 1000, WASHINGTON, DC 20005
- Signed the 990
- DAVID GAHL, EXECUTIVE DIRECTOR
- Phone
- (202) 682-0556
- Website
- WWW.SSII.ORG
- Return prepared by
- GELMAN ROSENBERG & FREEDMAN
Mission
THE SOLAR AND STORAGE INDUSTRIES INSTITUTE (SI2) IS ACCELERATING THE TRANSITION TO A CARBON FREE ELECTRICITY THROUGH CLEAN ENERGY RESEARCH AND ANALYSIS.
Program accomplishments
- SI2 AIMS TO USE POLICY RESEARCH, PUBLIC EDUCATION INITIATIVES AND DIRECT OUTREACH TO POLICYMAKERS TO EXPLAIN THE BENEFITS OF CLEAN ENERGY AND DEVELOP PATHWAYS TO WIDESPREAD SOLAR AND STORAGE USE.Expenses $1,201,257 · revenue $350,000
What it must file and when
IRS records say it files Form 990 or 990-EZ. Based on its last return; a smaller organization may file the 990-N. Its accounting year ends in December, so each return is due on the 15th day of the 5th month after that.
| Tax year | Year ended | Due | IRS public records |
|---|---|---|---|
| 2025 | December 31, 2025 | May 15, 2026 | Not on file |
| 2024 | December 31, 2024 | May 15, 2025 | 990 on file |
| 2023 | December 31, 2023 | May 15, 2024 | 990 on file |
IRS record
- EIN
- 88-1327537
- Tax-exempt status
- 501(c)(3): Charitable, religious, educational or scientific organization
- Foundation status
- Publicly supported organization (170(b)(1)(A)(vi))
- Donations deductible (Pub 78)
- Public charity, 50% deduction limit
- Exempt since
- 2022
- Accounting year ends
- December
- Files
- Form 990 or 990-EZ
- Category (NTEE)
- Environment (C35)
- Assets (IRS master file)
- $1,608,125
- Income (IRS master file)
- $1,403,997
Filing history
| Form | Year ended | Revenue | Expenses | Assets | Return |
|---|---|---|---|---|---|
| 990 | December 2024 | $1,403,997 | $1,406,397 | $1,608,125 | IRS |
| 990 | December 2023 | $704,954 | $583,118 | $369,139 | XML |
| 990-EZ | December 2022 | – | – | – | IRS |
990-N: the IRS bulk file holds only the latest e-Postcard per organization; earlier years come from archived copies of that file since 2020 and can have gaps (the IRS e-Postcard search lists every one). 990, 990-EZ, 990-PF, 990-T: every e-filed return in the IRS e-file index since 2019; XML for the latest three processing years, amounts from the IRS Statistics of Income extracts before that. PDF copies and determination letters at the IRS (search EIN 88-1327537).
Questions about SOLAR AND STORAGE INDUSTRIES INSTITUTE
- What is the EIN of SOLAR AND STORAGE INDUSTRIES INSTITUTE?
- The employer identification number (EIN) of SOLAR AND STORAGE INDUSTRIES INSTITUTE is 88-1327537.
- Is SOLAR AND STORAGE INDUSTRIES INSTITUTE tax-exempt?
- Yes. The IRS lists it as tax-exempt under section 501(c)(3) since 2022.
- Are donations to SOLAR AND STORAGE INDUSTRIES INSTITUTE tax-deductible?
- Yes. It is listed in IRS Publication 78 (Public charity, 50% deduction limit).
- Which annual return does SOLAR AND STORAGE INDUSTRIES INSTITUTE file?
- Form 990 or 990-EZ. Based on its last return; a smaller organization may file the 990-N.
- When is the next return of SOLAR AND STORAGE INDUSTRIES INSTITUTE due?
- The return for tax year 2025 (the year ending December 31, 2025) is due May 15, 2026. Form 8868 extends it by six months; the 990-N cannot be extended.
- When did SOLAR AND STORAGE INDUSTRIES INSTITUTE last file with the IRS?
- The latest return in the IRS public files is the 990 for the year ended December 2024.
- Who is the principal officer of SOLAR AND STORAGE INDUSTRIES INSTITUTE?
- The 990 for the year ended December 31, 2024 names DAVID GAHL.
- Who are the officers and directors of SOLAR AND STORAGE INDUSTRIES INSTITUTE?
- The 990 for the year ended December 31, 2024 lists 10 people; 0 received compensation from the organization.
- How much revenue does SOLAR AND STORAGE INDUSTRIES INSTITUTE have?
- On its 990 for the year ended December 31, 2024 it reported revenue of $1,403,997, expenses of $1,406,397 and total assets of $1,608,125 at year end.
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