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Nonprofit · EIN 93-0805859

NORTHWEST SMALL HYDROELECTRIC ASSOCIATION

Tax-exempt · LAKE OSWEGO, OR 97034

Financials

$587K$532K2023$633K$570K2024$790K$583K2025
Revenue Expenses · by fiscal year end
Financials of NORTHWEST SMALL HYDROELECTRIC ASSOCIATION by year, from its e-filed returns
Year endedFormRevenueExpensesNet incomeTotal assetsLiabilitiesNet assets
February 28, 2026990$790,001$582,742$207,259$1,105,733$254,724$851,009
February 28, 2025990$632,826$570,211$62,615$884,311$256,148$628,163
February 29, 2024990$587,478$532,262$55,216$807,439$268,420$539,019
Financial details: 990 for the year ended February 28, 2026

Revenue

Contributions, gifts and grants
$164,886
Membership dues
$164,886
Program service revenue
$610,573
Investment income
$12,949
Other revenue
$1,593

Expenses

Grants and similar amounts paid
$11,125
Compensation of officers, directors and key employees
$174,036
Salaries, compensation and benefits (total)
$188,102
Professional fundraising fees
$0
Legal fees
$5,278
Accounting fees
$1,800
Travel
$3,955

Balance sheet and other

Total assets, start of year
$884,311
Total assets, end of year
$1,105,733
Total liabilities, end of year
$254,724
Net assets, end of year
$851,009
Net assets without donor restrictions
$851,009
Gross receipts
$790,001
Employees
1
Volunteers
21
Year formed
1981
State of legal domicile
OR

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 February 28, 2026, highest compensation first.

NameTitleHours / weekCompensation
BRENNA VAUGHNEXECUTIVE DI
Officer
40$173,352
SHELLY ADAMSWASHINGTON D
Trustee or director
1$0
DIANE BARROREGON DIREC
Trustee or director
1$0
PATTY BOYLETREASURER
Trustee or director, Officer
2$0
DALE CAMPBELLWASHINGTON D
Trustee or director
1$0
PHILLIP CANTARINHASECRETARY
Trustee or director, Officer
2$0
JOHN CHANDLERWASHINGTON D
Trustee or director
1$0
CHAD CROFTOREGON DIREC
Trustee or director
1$0
BRENT DENHAMVICE PRESIDE
Trustee or director, Officer
2$0
JOE FIRSTWASHINGTON D
Trustee or director
1$0
BETSY MCGREGORALASKA DIREC
Trustee or director
1$0
PAUL MEEKSVENDOR DIREC
Trustee or director
1$0
FRED NOLANDIDAHO DIRECT
Trustee or director
1$0
MONICA OTTWASHINGTON D
Trustee or director
1$0
MATT PEVARNIKAT-LARGE DIR
Trustee or director
1$0
6 more people on this return
NameTitleHours / weekCompensation
NATHAN ROCKWOODPRESIDENT
Trustee or director, Officer
2$0
RAM VEERARAGHAVANWASHINGTON D
Trustee or director
1$0
FRANCOIS VITEZWEST CANADA
Trustee or director
1$0
BRIANA WEATHERLYOREGON DIREC
Trustee or director
1$0
ANDREW WELCHMONTANA DIRE
Trustee or director
1$0
ANDREA WORTZELGENERAL COUN
Trustee or director
1$0
990 for the year ended February 28, 2025: 23 people
NameTitleHours / weekCompensation
BRENNA VAUGHNEXECUTIVE DI
Officer
40$167,836
DIANE BARROREGON DIREC
Trustee or director
1$0
PATTY BOYLETREASURER
Trustee or director, Officer
2$0
CATRIN BRYANWEST CANADA
Trustee or director
1$0
DALE CAMPBELLWASHINGTON D
Trustee or director
1$0
PHILLIP CANTARINHASECRETARY
Trustee or director, Officer
2$0
JOHN CHANDLERWASHINGTON D
Trustee or director
1$0
BRENT DENHAMVICE PRESIDE
Trustee or director, Officer
2$0
JEANNE FINGERWASHINGTON D
Trustee or director
1$0
BRUCE HOWARDWASHINGTON D
Trustee or director
1$0
MARK JONESOREGON DIREC
Trustee or director
1$0
BETSY MCGREGORALASKA DIREC
Trustee or director
1$0
PAUL MEEKSVENDOR DIREC
Trustee or director
1$0
TRAVIS NELSONWASHINGTON D
Trustee or director
1$0
FRED NOLANDIDAHO DIRECT
Trustee or director
1$0
MATT PEVARNIKAT-LARGE DIR
Trustee or director
1$0
NATHAN ROCKWOODPRESIDENT
Trustee or director, Officer
2$0
CHRIS TOWNSENDWASHINGTON D
Trustee or director
1$0
ALENE UNDERWOODPAST PRESIDE
Trustee or director, Officer
2$0
HEIDI WAHTOWASHINGTON D
Trustee or director
1$0
BRIANA WEATHERLYOREGON DIREC
Trustee or director
1$0
ANDREW WELCHMONTANA DIRE
Trustee or director
1$0
ANDREA WORTZELGENERAL COUN
Trustee or director
1$0
990 for the year ended February 29, 2024: 22 people
NameTitleHours / weekCompensation
Brenna VaughnExecutive Director
Officer
40$160,997
Alene UnderwoodPresident
Trustee or director, Officer
2$0
Nathan RockwoodVice President
Trustee or director, Officer
2$0
Mark JonesTreasurer
Trustee or director, Officer
2$0
Finlay AndersonSecretary
Trustee or director, Officer
2$0
Mary Gail SullivanPast President
Trustee or director, Officer
1$0
Paul MeeksVendor Director
Trustee or director
1$0
Phillip CantarinhaCalifornia Director
Trustee or director
1$0
Brent DenhamOregon Director
Trustee or director
1$0
Patty BoyleOregon Director
Trustee or director
1$0
Trent RuskOregon Director
Trustee or director
1$0
Chris TownsendWashington Director
Trustee or director
1$0
Bruce HowardWashington Director
Trustee or director
1$0
Matt LoveWashington Director
Trustee or director
1$0
Travis NelsonWashington Director
Trustee or director
1$0
Dawn PreslerWashington Director
Trustee or director
1$0
Heidi WahtoWashington Director
Trustee or director
1$0
Fred NolandIdaho Director
Trustee or director
1$0
Robert SiedmanAlaska Director
Trustee or director
1$0
Matt PevarikAt-Large Director
Trustee or director
1$0
Catrin BryanWestern Canada Director
Trustee or director
1$0
Andrea WortzelGeneral Counsel
Trustee or director
1$0

Address and contacts

Address (IRS master file)
PO BOX 441, LAKE OSWEGO, OR 97034-0048
Principal officer (990 for 2025)
NATHAN ROCKWOOD, PO BOX 441, LAKE OSWEGO, OR 97034
Signed the 990
BRENNA VAUGHN, EXECUTIVE DIRECTOR
Phone
(503) 502-7262
Return prepared by
DNM & ASSOCIATES PS

Mission

THE NORTHWEST HYDROELECTRIC ASSOCIATION (NWHA) PURPOSE: WE UNITE PASSIONATE HYDROPOWER LEADERS THROUGH KNOWLEDGE SHARING AND COLLABORATIVE NETWORKING, SO THAT TOGETHER WE ARE THE RECOGNIZED AUTHORITY ON HYDROPOWER FOR OUR NORTHWEST COMMUNITIES.

990 for the year ended February 28, 2026

Program accomplishments

  • ANNUAL CONFERENCE. THIS EVENT OCCURS EVERY FEBRUARY WITHIN THE NORTHWEST AND INCLUDES SPEAKER PRESENTATIONS TO THE MEMBERSHIP AND NON-MEMBER ATTENDEES. COST INCLUDE THE HOTEL, AUDIO/VISUAL, SHOW DECORATOR, AND REFRESHMENTS TO IMPLEMENT THE ACTIVITY. THERE WERE 593 ATTENDEES PARTICIPATING IN THE 2026 CONFERENCE.
  • WORKSHOPS AND SEMINARS. IN THIS FISCAL YEAR NWHA PROVIDED A TECHNICAL WORKSHOP, AND A FALL WORKSHOP. APPROXIMATELY 215 ATTENDEES PARTICIPATED IN THE TECHNICAL WORKSHOP AND 80 IN THE FALL REGIONAL WORKSHOP. THE WORKSHOPS PROVIDED EDUCATION TO A VARIETY OF MEMBERS (CONSULTANTS, GENERATORS, SUPPLIERS, ETC.).
  • ALL OTHER PROGRAM SERVICES.

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 February, so each return is due on the 15th day of the 5th month after that.

Tax yearYear endedDueIRS public records
2025February 28, 2026July 15, 2026990 on file
2024February 28, 2025July 15, 2025990 on file
2023February 29, 2024July 15, 2024990 on file

IRS record

EIN
93-0805859
Tax-exempt status
501(c)(6): Business league or chamber of commerce
Donations deductible
No
Exempt since
1982
Accounting year ends
February
Files
Form 990 or 990-EZ
Assets (IRS master file)
$1,105,733
Income (IRS master file)
$790,001

Filing history

FormYear endedRevenueExpensesAssetsReturn
990February 2026$790,001$582,742$1,105,733XML
990February 2025$632,826$570,211$884,311XML
990February 2024$587,478$532,262$807,439XML
990February 2023$508,813$446,912$780,629IRS
990February 2022–––IRS
990February 2021–––IRS
990February 2019–––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 93-0805859).

Questions about NORTHWEST SMALL HYDROELECTRIC ASSOCIATION

What is the EIN of NORTHWEST SMALL HYDROELECTRIC ASSOCIATION?
The employer identification number (EIN) of NORTHWEST SMALL HYDROELECTRIC ASSOCIATION is 93-0805859.
Is NORTHWEST SMALL HYDROELECTRIC ASSOCIATION tax-exempt?
Yes. The IRS lists it as tax-exempt under section 501(c)(6) since 1982.
Are donations to NORTHWEST SMALL HYDROELECTRIC ASSOCIATION tax-deductible?
No. The IRS master file says contributions to it are not deductible.
Which annual return does NORTHWEST SMALL HYDROELECTRIC ASSOCIATION 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 NORTHWEST SMALL HYDROELECTRIC ASSOCIATION due?
The return for tax year 2026 (the year ending February 28, 2027) is due July 15, 2027. Form 8868 extends it by six months; the 990-N cannot be extended.
When did NORTHWEST SMALL HYDROELECTRIC ASSOCIATION last file with the IRS?
The latest return in the IRS public files is the 990 for the year ended February 2026.
Who is the principal officer of NORTHWEST SMALL HYDROELECTRIC ASSOCIATION?
The 990 for the year ended February 28, 2026 names NATHAN ROCKWOOD.
Who are the officers and directors of NORTHWEST SMALL HYDROELECTRIC ASSOCIATION?
The 990 for the year ended February 28, 2026 lists 21 people; 1 received compensation from the organization, the highest $173,352 (BRENNA VAUGHN, EXECUTIVE DI).
How much revenue does NORTHWEST SMALL HYDROELECTRIC ASSOCIATION have?
On its 990 for the year ended February 28, 2026 it reported revenue of $790,001, expenses of $582,742 and total assets of $1,105,733 at year end.

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