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Nonprofit · EIN 52-1918849

INTERNATIONAL DISTRICT ENERGY ASSN

Tax-exempt · WESTBOROUGH, MA 01581

Financials

$5.7M$4.9M2023$6.2M$5.3M2024$6.4M$5.7M2025
Revenue Expenses · by fiscal year end
Financials of INTERNATIONAL DISTRICT ENERGY ASSN by year, from its e-filed returns
Year endedFormRevenueExpensesNet incomeTotal assetsLiabilitiesNet assets
December 31, 2025990$6,367,030$5,691,653$675,377$7,948,764$96,102$7,852,662
December 31, 2024990$6,194,079$5,295,844$898,235$7,276,063$98,778$7,177,285
December 31, 2023990$5,671,739$4,875,804$795,935$6,313,143$34,093$6,279,050
Financial details: 990 for the year ended December 31, 2025

Revenue

Contributions, gifts and grants
$165,326
of which government grants
$165,326
Program service revenue
$5,909,648
Investment income
$292,056
Other revenue
$0

Expenses

Grants and similar amounts paid
$20,000
Other salaries and wages
$1,555,227
Salaries, compensation and benefits (total)
$1,846,591
Professional fundraising fees
$0
Legal fees
$37,444
Accounting fees
$17,800
Occupancy
$189,942
Travel
$113,851
Depreciation
$3,573
Program services (functional)
$3,799,655
Management and general (functional)
$1,891,998

Balance sheet and other

Total assets, start of year
$7,276,063
Total assets, end of year
$7,948,764
Total liabilities, end of year
$96,102
Net assets, end of year
$7,852,662
Land, buildings and equipment
$11,271
Net assets without donor restrictions
$7,791,010
Net assets with donor restrictions
$61,652
Gross receipts
$6,367,030
Employees
7
Volunteers
0
Year formed
1909
State of legal domicile
MA

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, 2025, highest compensation first.

NameTitleHours / weekCompensationOther / benefits
Robert P ThorntonPresident and Director
Trustee or director, Officer
40$695,192$46,434
Cheryl JacquesDirector of Operations
Highest-paid employee
40$277,950$37,854
Jason BealDirector of Member Services
Highest-paid employee
40$183,160$45,525
Scott SzycherDirector, Business Development
Highest-paid employee
40$132,000$45,270
Emily CummingsDirector, Programs & Special Projects
Highest-paid employee
40$134,500$28,999
David WoodsonChair
Trustee or director
0.5$0$0
Daniel DixonSecretary/Tr and Director
Trustee or director, Officer
0.5$0$0
Tim PeerVice Chair
Trustee or director
0.5$0$0
Meghan RiestererSecond Vice Chair
Trustee or director
0.5$0$0
Lalit AgarwalBoard Member
Trustee or director
0.5$0$0
Michael AhernBoard Member
Trustee or director
0.5$0$0
Ted BorerBoard Member
Trustee or director
0.5$0$0
Samuel ChattertonBoard Member
Trustee or director
0.5$0$0
Casey CollinsBoard Member
Trustee or director
0.5$0$0
Earl CollinsBoard Member
Trustee or director
0.5$0$0
14 more people on this return
NameTitleHours / weekCompensation
Frank CuomoBoard Member
Trustee or director
0.5$0
Chase DavisBoard Member
Trustee or director
0.5$0
Carol DenningBoard Member
Trustee or director
0.5$0
Laura DuncanBoard Member
Trustee or director
0.5$0
Andrea Sarmentero GarzonBoard Member
Trustee or director
0.5$0
Kimberly GreeneBoard Member
Trustee or director
0.5$0
Francois GressierBoard Member
Trustee or director
0.5$0
Paul HoltBoard Member
Trustee or director
0.5$0
Joan KowalBoard Member
Trustee or director
0.5$0
Gerard MacDonaldBoard Member
Trustee or director
0.5$0
Jennifer MeisenhelderBoard Member
Trustee or director
0.5$0
Samuel OlmsteadBoard Member
Trustee or director
0.5$0
Mark SpurrBoard Member
Trustee or director
0.5$0
Paul ZmickBoard Member
Trustee or director
0.5$0
990 for the year ended December 31, 2024: 28 people
NameTitleHours / weekCompensationOther / benefits
ROBERT P THORNTONPRESIDENT AN
Trustee or director, Officer
40$810,808$46,973
CHERYL JACQUESEMPLOYEE
Highest-paid employee
40$253,436$35,312
JASON BEALEMPLOYEE
Highest-paid employee
40$162,160$42,892
SCOTT SZYCHEREMPLOYEE
Highest-paid employee
40$128,000$43,744
EMILY RISKALLAEMPLOYEE
Highest-paid employee
40$125,000$18,347
DANIEL DIXONSECRETARY/TR
Trustee or director, Officer
0.5$0$0
DAVID WOODSONVICE CHAIR
Trustee or director, Officer
0.5$0$0
JOAN KOWALDIRECTOR/CHA
Trustee or director
0.5$0$0
TIM PEERSECOND VICE
Trustee or director
0.5$0$0
MEGHAN RIESTERERAT LARGE
Trustee or director
0.5$0$0
CARLYLE COUTINHOPAST CHAIR
Trustee or director
0.5$0$0
LALIT AGARWALBOARD MEMBER
Trustee or director
0.5$0$0
MICHAEL AHERNBOARD MEMBER
Trustee or director
0.5$0$0
SAMUEL CHATTERTONBOARD MEMBER
Trustee or director
0.5$0$0
TED BORERBOARD MEMBER
Trustee or director
0.5$0$0
CHASE DAVISBOARD MEMBER
Trustee or director
0.5$0$0
CAROL DENNINGBOARD MEMBER
Trustee or director
0.5$0$0
EARL COLLINSBOARD MEMBER
Trustee or director
0.5$0$0
LAURA DUNCANBOARD MEMBER
Trustee or director
0.5$0$0
CHRISTINA HOBOARD MEMBER
Trustee or director
0.5$0$0
PAUL HOLTBOARD MEMBER
Trustee or director
0.5$0$0
GORDON JUDDBOARD MEMBER
Trustee or director
0.5$0$0
JENNIFER MEISENHELDERBOARD MEMBER
Trustee or director
0.5$0$0
FRANCOIS GRESSIERBOARD MEMBER
Trustee or director
0.5$0$0
GARRETT ROBERTSBOARD MEMBER
Trustee or director
0.5$0$0
PAUL ZMICKBOARD MEMBER
Trustee or director
0.5$0$0
MARK SPURRLEGISLATIVE
Trustee or director
0.5$0$0
ADREA SARMENTEROLEGAL COUNSE
Trustee or director
0.5$0$0
990 for the year ended December 31, 2023: 29 people
NameTitleHours / weekCompensationOther / benefits
ROBERT P THORNTONPRESIDENT AN
Trustee or director, Officer
40$619,091$61,777
CHERYL JACQUESEMPLOYEE
Highest-paid employee
40$231,800$33,420
JASON BEALEMPLOYEE
Highest-paid employee
40$157,160$40,071
SCOTT SZYCHEREMPLOYEE
Highest-paid employee
40$120,000$40,802
SARAH THEURKAUFEMPLOYEE
Highest-paid employee
40$115,000$18,672
EMILY RISKALLAEMPLOYEE
Highest-paid employee
40$119,000$14,192
ROBERT MANNINGSECRETARY/TR
Trustee or director, Officer
0.5$0$0
CARLYLE COUTINHODIRECTOR/CHA
Trustee or director, Officer
0.5$0$0
JOAN KOWALVICE CHAIR
Trustee or director
0.5$0$0
DAVID WOODSONSECOND VICE
Trustee or director
0.5$0$0
TIM PEERAT LARGE
Trustee or director
0.5$0$0
DAVID MUSTOPAST CHAIR
Trustee or director
0.5$0$0
LALIT AGARWALBOARD MEMBER
Trustee or director
0.5$0$0
MICHAEL AHERNBOARD MEMBER
Trustee or director
0.5$0$0
SAMUEL CHATTERTONBOARD MEMBER
Trustee or director
0.5$0$0
PATRICK DAVINBOARD MEMBER
Trustee or director
0.5$0$0
CHASE DAVISBOARD MEMBER
Trustee or director
0.5$0$0
CAROL DENNINGBOARD MEMBER
Trustee or director
0.5$0$0
DAN DIXONBOARD MEMBER
Trustee or director
0.5$0$0
LAURA DUNCANBOARD MEMBER
Trustee or director
0.5$0$0
CHRISTINA HOBOARD MEMBER
Trustee or director
0.5$0$0
PAUL HOLTBOARD MEMBER
Trustee or director
0.5$0$0
GORDON JUDDBOARD MEMBER
Trustee or director
0.5$0$0
JENNIFER MEISENHELDERBOARD MEMBER
Trustee or director
0.5$0$0
OLIVIER RACLE ENGIEBOARD MEMBER
Trustee or director
0.5$0$0
GARRETT ROBERTSBOARD MEMBER
Trustee or director
0.5$0$0
PAUL ZMICKBOARD MEMBER
Trustee or director
0.5$0$0
MARK SPURRLEGISLATIVE
Trustee or director
0.5$0$0
ADREA SARMENTEROLEGAL COUNSE
Trustee or director
0.5$0$0

Address and contacts

Address (IRS master file)
1800 W PARK DR STE 350, WESTBOROUGH, MA 01581-3927
Principal officer (990 for 2025)
Robert Thornton, 1800 West Park Drive Suite 350, Westborough, MA 01581
Signed the 990
Robert Thornton, President and CEO
Phone
(508) 366-9339
Return prepared by
Brunhofer & Balise LLP

Mission

IDEA fosters the success of its members as leaders in providing reliable, economical, efficient and environmentally sound district energy services. We promote energy efficiency and environmental quality through the advancement of district heating, district cooling and cogeneration (also known as combined heat and power or CHP) and we actively lobby to secure favorable policies, legislation and regulations for district energy.

990 for the year ended December 31, 2025

Program accomplishments

  • Annual Conference: Opportunities for members and committees to gather and discuss new developments in the industry and share ideas for improvements.Publications: Inform members of accomplishments of the association and new developments in the industry.Educational Training: To exchange and distribute information to members of the association.
    Expenses $3,799,655 · grants $20,000 · revenue $1,600,655

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 yearYear endedDueIRS public records
2025December 31, 2025May 15, 2026990 on file
2024December 31, 2024May 15, 2025990 on file
2023December 31, 2023May 15, 2024990 on file

IRS record

EIN
52-1918849
Tax-exempt status
501(c)(6): Business league or chamber of commerce
Donations deductible
No
Exempt since
1996
Accounting year ends
December
Files
Form 990 or 990-EZ
Assets (IRS master file)
$7,948,764
Income (IRS master file)
$6,367,030

Filing history

FormYear endedRevenueExpensesAssetsReturn
990December 2025$6,367,030$5,691,653$7,948,764XML
990December 2024$6,194,079$5,295,844$7,276,063XML
990December 2023$5,671,739$4,875,804$6,313,143XML
990December 2022$5,321,001$4,083,907$5,483,284IRS
990December 2021–––IRS
990December 2020–––IRS
990December 2018–––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 52-1918849).

Questions about INTERNATIONAL DISTRICT ENERGY ASSN

What is the EIN of INTERNATIONAL DISTRICT ENERGY ASSN?
The employer identification number (EIN) of INTERNATIONAL DISTRICT ENERGY ASSN is 52-1918849.
Is INTERNATIONAL DISTRICT ENERGY ASSN tax-exempt?
Yes. The IRS lists it as tax-exempt under section 501(c)(6) since 1996.
Are donations to INTERNATIONAL DISTRICT ENERGY ASSN tax-deductible?
No. The IRS master file says contributions to it are not deductible.
Which annual return does INTERNATIONAL DISTRICT ENERGY ASSN 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 INTERNATIONAL DISTRICT ENERGY ASSN due?
The return for tax year 2026 (the year ending December 31, 2026) is due May 17, 2027. Form 8868 extends it by six months; the 990-N cannot be extended.
When did INTERNATIONAL DISTRICT ENERGY ASSN last file with the IRS?
The latest return in the IRS public files is the 990 for the year ended December 2025.
Who is the principal officer of INTERNATIONAL DISTRICT ENERGY ASSN?
The 990 for the year ended December 31, 2025 names Robert Thornton.
Who are the officers and directors of INTERNATIONAL DISTRICT ENERGY ASSN?
The 990 for the year ended December 31, 2025 lists 29 people; 5 received compensation from the organization, the highest $695,192 (Robert P Thornton, President and Director).
How much revenue does INTERNATIONAL DISTRICT ENERGY ASSN have?
On its 990 for the year ended December 31, 2025 it reported revenue of $6,367,030, expenses of $5,691,653 and total assets of $7,948,764 at year end.

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