Data update history
July 14, 2024
Used new vendors
Identified 1 new vendor, including
February 28, 2024
Updated personnel
Identified 4 new personnel
November 25, 2023
Posted financials
Added Form 990 for fiscal year 2021
August 8, 2023
Posted financials
Added Form 990 for fiscal year 2020
July 6, 2023
Posted financials
Added Form 990 for fiscal year 2022
Nonprofit Types
Public utilitiesPublic sector nonprofits
Issues
No issues found
Characteristics
MembershipsOperates internationallyNo full-time employees
General information
- Address
- 505 9th St NW 1000
- Washington, DC 20004
- Metro area
- Washington-Arlington-Alexandria, DC-VA-MD-WV
- County
- District of Columbia, DC
- Website URL
- wspp.org/
- Phone
- (202) 776-5220
IRS details
- EIN
- 95-4566731
- Fiscal year end
- December
- Taxreturn type
- Form 990
- Year formed
- 1991
- Eligible to receive tax-deductible contributions (Pub 78)
- No
Categorization
- NTEE code, primary
- W80: Public Utilities
- NAICS code, primary
- 2211: Electric Power Generation, Transmission, and Distribution Establishments
- Parent/child status
- Independent
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