Skip to main content

Nonprofit · EIN 04-3372500

ISO NEW ENGLAND INC

Tax-exempt · HOLYOKE, MA 01040

Financials

$235.6M$235.6M2023$264.6M$264.6M2024$303.3M$303.3M2025
Revenue Expenses · by fiscal year end
Financials of ISO NEW ENGLAND INC by year, from its e-filed returns
Year endedFormRevenueExpensesNet incomeTotal assetsLiabilitiesNet assets
December 31, 2025990$303,262,191$303,262,191$0$792,830,095$792,830,095$0
December 31, 2024990$264,594,190$264,594,190$0$700,237,762$700,237,762$0
December 31, 2023990$235,600,056$235,600,056$0$513,103,203$513,103,203$0
Financial details: 990 for the year ended December 31, 2025

Revenue

Contributions, gifts and grants
$0
Program service revenue
$300,540,531
Investment income
$2,721,660
Net gain from sales of assets
$12,000
Other revenue
$0

Expenses

Grants and similar amounts paid
$13,500
Compensation of officers, directors and key employees
$26,102,870
Other salaries and wages
$114,971,089
Salaries, compensation and benefits (total)
$181,671,728
Professional fundraising fees
$0
Legal fees
$1,389,648
Accounting fees
$685,654
Occupancy
$7,966,437
Travel
$1,635,799
Depreciation
$35,000,395
Program services (functional)
$266,684,960
Management and general (functional)
$36,577,231

Balance sheet and other

Total assets, start of year
$700,237,762
Total assets, end of year
$792,830,095
Total liabilities, end of year
$792,830,095
Net assets, end of year
$0
Land, buildings and equipment
$114,349,106
Gross receipts
$303,262,191
Employees
791
Volunteers
0
Year formed
1997
State of legal domicile
DE

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
GORDON VAN WELIEPRESIDENT & CHIEF EXECUTIVE OFFICER
Officer
45$3,005,894$7,268,759
VAMSI K CHADALAVADAEXEC. VP & CHIEF OPERATING OFFICER
Officer
45$1,860,648$951,339
ROBERT C LUDLOWVP, CHIEF FINANCIAL & COMP. OFF.
Officer
45$1,364,102$146,022
MARIA A GULLUNIVP & GENERAL COUNSEL
Officer
45$812,540$441,059
ANNE C GEORGEVP, CHIEF EXT AFFAIRS & COMM. OFF.
Officer
45$697,891$400,389
MATTHEW W WHITEVP, MARKET DEV. & SETTLEMENTS & CHIEF ECON.
Officer
48$740,153$348,317
RUDOLF A PAWULVP, INFO. & CYBER SEC. SVCS.
Officer
48$675,197$395,954
KATHLEEN DECASTROVP, HR & CHIEF PEOPLE OFF.
Officer
45$632,903$323,892
STEPHEN GEORGEV.P, SYSTEM OPER & MARKET ADMIN
Officer
45$451,739$308,428
ALAN F MCBRIDEV.P., SYSTEM PLANNING
Officer
49$442,524$311,895
DENNIS G ROBINSONEXEC DIRECTOR, MARKET ADMIN. & AUCTIONS
Key employee
42$377,123$252,159
SHANNON L CAREYEXEC DIRECTOR, MKT. ANALYSIS & STLMNT.
Key employee
42$388,204$187,509
TONGXIN ZHENGCHIEF TECHNOLOGIST
Highest-paid employee
41$387,944$169,955
M DAVID HAMEEDYEXEC DIRECTOR, PROGRAM MGMT. OFFICE
Key employee
40$391,677$162,141
MATTHEW F GOLDBERGEXEC DIRECTOR, STRAT., RISK & OPS. COMP.
Key employee
40$409,610$143,815
18 more people on this return
NameTitleHours / weekCompensationOther / benefits
ALBERT EVANSCHIEF OF INFORMATION SECURITY
Key employee
43$504,732$37,135
STEVEN GOULDDIRECTOR, OPERATIONS
Key employee
42$317,697$210,530
BRENT OBERLINEXEC DIRECTOR, TRANSMISSION PLANNING
Key employee
46$358,789$137,345
DAVID NAUGHTONEXEC. DIR., MKT. MONITORING
Key employee
40$379,652$99,709
PARVIZ ALIVANDMANAGER, MARKET DESIGN AND PRINCIPAL ECONOMIST
Highest-paid employee
41$372,692$93,876
CHRISTOPHER GEISSLERDIRECTOR, ECONOMIC ANALYSIS
Highest-paid employee
46$387,090$77,681
JOHN DILORETOEXEC DIRECTOR, INTERNAL AUDIT
Highest-paid employee
40$376,841$47,700
CHRISTOPHER NOLANDIRECTOR, MARKET & CREDIT RISK
Highest-paid employee
40$371,554$38,328
LORRAINE M BRADYBOARD ADMIN. & ASST. CORP. SEC.
Officer
45$144,741$65,698
CHERYL LAFLEURCHAIR, BOARD OF DIRECTORS
Trustee or director
8$185,000$0
BROOK M COLANGELODIRECTOR
Trustee or director
8$182,500$0
CAREN ANDERSDIRECTOR
Trustee or director
8$172,500$0
MARK VANNOYDIRECTOR
Trustee or director
8$170,000$0
MICHAEL J CURRANDIRECTOR
Trustee or director
8$170,000$0
STEVEN B CORNELIDIRECTOR
Trustee or director
8$162,500$0
CRAIG IVEYDIRECTOR
Trustee or director
8$160,000$0
CATHERINE FLAXDIRECTOR
Trustee or director
8$157,500$0
MELVIN G WILLIAMS JRDIRECTOR
Trustee or director
8$157,500$0
990 for the year ended December 31, 2024: 37 people
NameTitleHours / weekCompensationOther / benefits
GORDON VAN WELIEPRESIDENT & CHIEF EXECUTIVE OFFICER
Officer
45$2,253,854$996,565
VAMSI K CHADALAVADAEXEC. VP & CHIEF OPERATING OFFICER
Officer
45$1,694,325$776,771
PETER T BRANDIENVP, SYSTEM OPS. & MARKET ADMIN.
Officer
45$1,079,127$120,164
ROBERT C LUDLOWVP, CHIEF FINANCIAL & COMP. OFF.
Officer
45$816,584$380,513
MARIA A GULLUNIVP & GENERAL COUNSEL
Officer
45$699,983$250,779
MATTHEW W WHITEVP, MARKET DEV. & SETTLEMENTS & CHIEF ECON.
Officer
45$713,908$231,581
ANNE C GEORGEVP, CHIEF EXT AFFAIRS & COMM. OFF.
Officer
45$608,935$263,304
KATHLEEN DECASTROVP, HR & CHIEF PEOPLE DIV. OFF.
Officer
45$517,033$285,038
RUDOLF A PAWULVP, INFO. & CYBER SEC. SVCS.
Officer
45$494,558$230,362
ROBERT G ETHIERVP, SYSTEM PLANNING
Officer
45$557,048$29,668
M DAVID HAMEEDYEXEC DIRECTOR, PROGRAM MGMT. OFFICE
Key employee
40$371,295$138,324
ALBERT EVANSCHIEF OF INFORMATION SECURITY
Key employee
40$411,466$35,715
TONGXIN ZHENGCHIEF TECHNOLOGIST
Highest-paid employee
41$350,835$90,622
DENNIS G ROBINSONEXEC DIRECTOR, MARKET ADMIN. & AUCTIONS
Key employee
41$347,537$92,578
SHANNON L CAREYEXEC DIRECTOR, MKT. ANALYSIS & STLMNT.
Key employee
42$347,908$81,669
MATTHEW F GOLDBERGEXEC DIRECTOR, STRAT., RISK & OPS. COMM.
Key employee
40$371,078$56,487
DAVID NAUGHTONEXEC. DIR., MKT. MONITORING
Key employee
40$356,682$58,776
MARK G KARLFORMER VP, MARKET DEV. & SETTLEMENTS
Former
–$453,047-$46,261
ALAN F MCBRIDEV.P., System Planning
Officer
46$340,809$65,948
CHRISTOPHER GEISSLERDIRECTOR, ECONOMIC ANALYSIS
Highest-paid employee
44$364,669$36,892
CHRISTOPHER NOLANDIRECTOR, MARKET & CREDIT RISK
Highest-paid employee
40$364,776$36,548
PARVIZ ALIVANDMANAGER, MARKET DESIGN AND PRINCIPAL ECONOMIST
Highest-paid employee
41$349,742$44,404
BRENT OBERLINEXEC DIRECTOR, TRANSMISSION PLANNING
Key employee
47$321,885$69,893
STEVEN GOULDDirector, Operations
Key employee
45$294,243$94,496
JOHN DILORETOEXEC DIRECTOR, INTERNAL AUDIT
Highest-paid employee
40$345,524$40,702
STEPHEN GEORGEV.P, SYSTEM OPER & MARKET ADMIN
Officer
45$316,566$38,230
MICHAEL N TANIWHAFORMER IT DIR., INFR. & ENTRPR. SUPP.
Former
–$197,928-$21,702
CHERYL LAFLEURCHAIR, BOARD OF DIRECTORS
Trustee or director
8$160,250$0
LORRAINE M BRADYSR. CORP. ADMIN. & ASST. SEC.
Officer
45$125,838$30,528
BROOK M COLANGELODIRECTOR
Trustee or director
8$153,250$0
MARK VANNOYDIRECTOR
Trustee or director
8$148,750$0
CRAIG IVEYDIRECTOR
Trustee or director
8$144,250$0
CAREN ANDERSDIRECTOR
Trustee or director
8$140,250$0
MICHAEL J CURRANDIRECTOR
Trustee or director
8$137,250$0
MELVIN G WILLIAMS JRDIRECTOR
Trustee or director
8$136,750$0
CATHERINE FLAXDIRECTOR
Trustee or director
8$135,250$0
STEVEN B CORNELIDIRECTOR
Trustee or director
8$132,750$0
990 for the year ended December 31, 2023: 36 people
NameTitleHours / weekCompensationOther / benefits
GORDON VAN WELIEPRESIDENT & CHIEF EXECUTIVE OFFICER
Officer
45$1,883,859$892,902
VAMSI K CHADALAVADAEXEC. VP & CHIEF OPERATING OFFICER
Officer
45$1,449,836$756,020
ROBERT C LUDLOWVP, CHIEF FINANCIAL & COMP. OFF.
Officer
45$782,546$360,284
PETER T BRANDIENVP, SYSTEM OPS. & MARKET ADMIN.
Officer
45$702,339$346,140
MARIA A GULLUNIVP, GEN. COUNSEL & CORP. SEC.
Officer
45$619,544$275,366
MARK G KARLVP, MARKET DEV. & SETTLEMENTS
Officer
45$656,988$224,835
MATTHEW W WHITEVP, MARKET DEV. & CHIEF ECON.
Officer
45$689,186$139,626
ROBERT G ETHIERVP, SYSTEM PLANNING
Officer
45$535,608$280,093
ANNE C GEORGEVP, CHIEF EXT AFFAIRS & COMM. OFF.
Officer
45$539,504$253,320
RUDOLF A PAWULVP, INFO. & CYBER SEC. SVCS.
Officer
45$424,942$266,937
KATHLEEN DECASTROVP, HR & CHIEF PEOPLE DIV. OFF.
Officer
45$456,319$194,424
DENNIS G ROBINSONDIRECTOR, MARKET ADMIN. & AUCTIONS
Key employee
41$321,405$265,681
M DAVID HAMEEDYDIRECTOR, PROGRAM MGMT. OFFICE
Key employee
40$341,165$242,693
ELLEN FOLEYDIRECTOR, CORP. MEDIA & WEB COMM.
Highest-paid employee
40$330,233$228,138
MICHAEL N TANIWHAIT DIR., INFR. & ENTRPR. SUPP.
Key employee
44$361,558$191,650
CHRISTOPHER NOLANDIRECTOR, MARKET & CREDIT RISK
Highest-paid employee
42$475,128$64,625
MATTHEW F GOLDBERGDIRECTOR, STRAT., RISK & OPS. COMM.
Key employee
41$376,660$150,424
SHANNON L CAREYDIRECTOR, MKT. ANALYSIS & STLMNT.
Key employee
41$335,902$183,544
TONGXIN ZHENGDIRECTOR, ADVANCED TECH SOLUTIONS
Highest-paid employee
44$334,058$152,004
DAVID NAUGHTONEXEC. DIR., MKT. MONITORING
Key employee
40$321,316$108,497
BRENT OBERLINDIRECTOR, TRANSMISSION PLANNING
Key employee
45$294,809$133,292
ALBERT EVANSDIRECTOR, CYBER SEC. & COMPL.
Key employee
40$388,661$37,550
GREGG BRADLEYMANAGER, MARKET MONITORING
Highest-paid employee
40$359,620$57,690
ALAN F MCBRIDEDIRECTOR, TRANS. SVCS. & RESC. QUAL.
Key employee
44$286,531$127,511
JOHN DILORETODIRECTOR, INTERNAL AUDIT
Highest-paid employee
40$334,542$38,517
LORRAINE M BRADYSR. CORP. ADMIN. & ASST. SEC.
Officer
40$115,931$100,362
CHERYL LAFLEURCHAIR, BOARD OF DIRECTORS
Trustee or director
8$165,750$0
MICHAEL J CURRANDIRECTOR
Trustee or director
8$151,000$0
BROOK M COLANGELODIRECTOR
Trustee or director
7$149,250$0
CAREN ANDERSDIRECTOR
Trustee or director
8$146,750$0
MARK VANNOYDIRECTOR
Trustee or director
7$141,500$0
STEVEN B CORNELIDIRECTOR
Trustee or director
6$140,250$0
MELVIN G WILLIAMS JRDIRECTOR
Trustee or director
6$137,750$0
CATHERINE FLAXDIRECTOR
Trustee or director
6$135,750$0
ROBERTO R DENISDIRECTOR (THROUGH 9/30/23)
Trustee or director
8$99,250$0
CRAIG IVEYDIRECTOR (BEGINNING 10/1/23)
Trustee or director
4$47,250$0

Address and contacts

Address (IRS master file)
1 SULLIVAN RD, HOLYOKE, MA 01040-2841
Principal officer (990 for 2025)
VAMSI CHADALAVADA, ONE SULLIVAN ROAD, HOLYOKE, MA 01040
Signed the 990
KELLY REYNGOLD, VP AND CHIEF FINANCIAL OFFICER
Phone
(413) 535-4000
Return prepared by
KPMG LLP

Mission

THE CORPORATION IS ORGANIZED AND OPERATED EXCLUSIVELY FOR CHARITABLE PURPOSES INCLUDING THE FOLLOWING: TO (I) MAINTAIN THE RELIABILITY OF THE BULK POWER AND TRANSMISSION SYSTEM IN NEW ENGLAND BY, AMONG OTHER FUNCTIONS, EXERCISING OPERATIONAL AUTHORITY OVER THE BULK TRANSMISSION FACILITIES, (II) ADMINISTER AND SEEK TO ENHANCE SUSTAINABLE, COMPETITIVE AND EFFICIENT ENERGY MARKETS, AND (III) PROVIDE NON-DISCRIMINATORY, OPEN-ACCESS TRANSMISSION SERVICE.

990 for the year ended December 31, 2025

Program accomplishments

  • ISO NEW ENGLAND INC. (ISO-NE) IS THE NOT-FOR-PROFIT ORGANIZATION AUTHORIZED BY THE FEDERAL GOVERNMENT TO PERFORM THREE CRITICAL FUNCTIONS TO ENSURE THE RELIABLE SUPPLY OF ELECTRICITY THROUGHOUT NEW ENGLAND. THROUGH ITS FIRST FUNCTION, ENERGY ADMINISTRATION, ISO-NE ENSURES THE CONSTANT AVAILABILITY OF COMPETITIVELY PRICED ELECTRICITY FOR THE REGION'S 15.1 MILLION RESIDENTS BY DESIGNING, REFINING, AND ADMINISTERING IN A FAIR AND UNBIASED MANNER THE REGION'S WHOLESALE ELECTRICITY MARKETS. DURING 2025, ISO-NE WAS RESPONSIBLE FOR THE FAIR ADMINISTRATION OF APPROXIMATELY $11.3 BILLION OF MARKET TRANSACTIONS.
    Expenses $129,155,526 · revenue $146,427,614
  • THROUGH ITS SECOND ACTIVITY, RELIABILITY ADMINISTRATION, ISO-NE ENSURES THE RELIABLE DAY-TO-DAY OPERATION OF THE REGION'S HIGH VOLTAGE TRANSMISSION SYSTEM. AMONG OTHER THINGS, THIS INVOLVES (I) COORDINATING THE OPERATION OF THE REGION'S NEARLY 400 DISPATCHABLE POWER PLANTS AND 9,000 MILES OF HIGH VOLTAGE TRANSMISSION LINES; (II) MANAGING THE MOVEMENT OF HIGH-VOLTAGE ELECTRICITY INTO, WITHIN, AND OUT OF NEW ENGLAND; (III) ENSURING THAT THE SIX-STATE NEW ENGLAND REGION HAS THE POWER SYSTEM RESOURCES NECESSARY TO MEET CONSUMER DEMAND FOR ELECTRICITY AND RELIABILITY REQUIREMENTS; (IV) COORDINATING HOW TRANSMISSION LINES, GENERATION, AND OTHER TECHNOLOGIES CONNECT TO AND OPERATE ON THE REGIONAL POWER GRID RELIABLY; AND (V), WORKING WITH THE INDUSTRY TO DEVELOP TRANSMISSION INFRASTRUCTURE SOLUTIONS THAT ARE ESSENTIAL FOR MAINTAINING POWER SYSTEM RELIABILITY. DURING 2025, ISO-NE COORDINATED THE GENERATION AND TRANSMISSION OF THE APPROXIMATELY 117,744 GIGAWATT-HOURS OF POWER CONSUMED IN THE REGION.
    Expenses $80,138,831 · grants $13,500 · revenue $90,833,733
  • THROUGH ITS THIRD ACTIVITY, SCHEDULING SERVICES, ISO-NE FORECASTS AND SCHEDULES THE ELECTRICITY NEEDED IN THE REGION FOR EVERY SECOND OF EVERY DAY AND ENSURES THERE IS ENOUGH ELECTRICITY GENERATED TO MEET DEMAND AS WELL AS RESOURCES NEEDED MAINTAIN RELIABILITY CRITERIA. IN CONDUCTING THIS ACTIVITY, ISO-NE (I) MONITORS THE FLOW OF ELECTRICITY INTO, OUT OF, AND OVER NEW ENGLAND'S HIGH-VOLTAGE TRANSMISSION SYSTEM AND (II) SCHEDULES HUNDREDS OF DIVERSE POWER RESOURCES AND TRANSMISSION COMPONENTS TO SUPPLY ELECTRICITY TO MEET THE REGION'S DEMAND AND REQUIRED RESERVE MARGIN. ISO-NE IS RESPONSIBLE FOR ENSURING THAT THE GRID CAN WITHSTAND THE SUDDEN LOSS OF A POWER PLANT OR TRANSMISSION EQUIPMENT CAUSED BY WEATHER, MECHANICAL FAILURE, OR OTHER EVENT.
    Expenses $57,390,603 · revenue $65,055,986

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
04-3372500
Tax-exempt status
501(c)(3): Charitable, religious, educational or scientific organization
Foundation status
Publicly supported organization (509(a)(2))
Donations deductible (Pub 78)
Public charity, 50% deduction limit
Exempt since
2004
Accounting year ends
December
Files
Form 990 or 990-EZ
Category (NTEE)
Environment (C35)
Assets (IRS master file)
$792,830,095
Income (IRS master file)
$303,262,191

Filing history

FormYear endedRevenueExpensesAssetsReturn
990December 2025$303,262,191$303,262,191$792,830,095XML
990December 2024$264,594,190$264,594,190$700,237,762XML
990December 2023$235,600,056$235,600,056$513,103,203XML
990December 2022$210,813,398$210,813,398$732,557,047IRS
990December 2021–––IRS
990December 2020–––IRS
990December 2019–––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 04-3372500).

Questions about ISO NEW ENGLAND INC

What is the EIN of ISO NEW ENGLAND INC?
The employer identification number (EIN) of ISO NEW ENGLAND INC is 04-3372500.
Is ISO NEW ENGLAND INC tax-exempt?
Yes. The IRS lists it as tax-exempt under section 501(c)(3) since 2004.
Are donations to ISO NEW ENGLAND INC tax-deductible?
Yes. It is listed in IRS Publication 78 (Public charity, 50% deduction limit).
Which annual return does ISO NEW ENGLAND INC 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 ISO NEW ENGLAND INC 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 ISO NEW ENGLAND INC 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 ISO NEW ENGLAND INC?
The 990 for the year ended December 31, 2025 names VAMSI CHADALAVADA.
Who are the officers and directors of ISO NEW ENGLAND INC?
The 990 for the year ended December 31, 2025 lists 33 people; 33 received compensation from the organization, the highest $3,005,894 (GORDON VAN WELIE, PRESIDENT & CHIEF EXECUTIVE OFFICER).
How much revenue does ISO NEW ENGLAND INC have?
On its 990 for the year ended December 31, 2025 it reported revenue of $303,262,191, expenses of $303,262,191 and total assets of $792,830,095 at year end.

Other nonprofits in HOLYOKE

All nonprofits in HOLYOKE · Massachusetts · Environment