Nonprofit · EIN 43-1827033
MIDCONTINENT INDEPENDENT SYSTEM OPERATOR INC
Also known as MISO
Tax-exempt · CARMEL, IN 46032
Financials
| Year ended | Form | Revenue | Expenses | Net income | Total assets | Liabilities | Net assets |
|---|---|---|---|---|---|---|---|
| December 31, 2024 | 990 | $616,078,935 | $616,078,935 | $0 | $3,354,403,000 | $3,354,403,000 | $0 |
| December 31, 2023 | 990 | $548,603,867 | $548,603,867 | $0 | $2,918,427,543 | $2,918,427,543 | $0 |
Financial details: 990 for the year ended December 31, 2024
Revenue
- Contributions, gifts and grants
- $465,086
- of which government grants
- $465,086
- Program service revenue
- $446,952,846
- Investment income
- $158,339,686
- Net gain from sales of assets
- -$295,636
- Other revenue
- $10,321,317
Expenses
- Grants and similar amounts paid
- $0
- Compensation of officers, directors and key employees
- $17,552,047
- Other salaries and wages
- $173,678,726
- Salaries, compensation and benefits (total)
- $244,864,488
- Professional fundraising fees
- $0
- Legal fees
- $4,294,171
- Accounting fees
- $188,383
- Occupancy
- $14,255,883
- Travel
- $6,170,390
- Depreciation
- $34,950,463
- Program services (functional)
- $523,404,431
- Management and general (functional)
- $92,674,504
Balance sheet and other
- Total assets, start of year
- $2,918,427,543
- Total assets, end of year
- $3,354,403,000
- Total liabilities, end of year
- $3,354,403,000
- Net assets, end of year
- $0
- Land, buildings and equipment
- $94,963,987
- Gross receipts
- $616,374,571
- Employees
- 1,271
- Volunteers
- 0
- Year formed
- 1998
- 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, 2024, highest compensation first.
| Name | Title | Hours / week | Compensation | Other / benefits |
|---|---|---|---|---|
| JOHN BEAR | CEO Trustee or director, Officer | 40 | $3,734,846 | $53,346 |
| CLAIR MOELLER | PRESIDENT & COO (THRU 12/24) Officer | 40 | $1,852,895 | $49,268 |
| MELISSA BROWN | SENIOR VP & CFO Officer | 40 | $1,243,450 | $45,197 |
| JENNIFER CURRAN | SVP - PLAN & OP & CHIEF COMP. OFF. Officer | 40 | $1,195,658 | $36,363 |
| ANDRE PORTER | SVP & GENERAL COUNSEL Officer | 40 | $1,127,288 | $58,935 |
| TODD RAMEY | SVP - MARKETS & DIGITAL STRATEGY Officer | 40 | $1,121,901 | $53,346 |
| RICHARD DOYING | FORMER OFFICER Former | 0 | $1,126,878 | $0 |
| ALLEGRA NOTTAGE | SVP - HR & CHIEF DIVERSITY OFFICER Officer | 40 | $733,638 | $23,976 |
| ERIC MILLER | VP & CHIEF INFO SECURITY Officer | 40 | $651,843 | $51,996 |
| TODD HILLMAN | SVP & CHIEF CUSTOMER OFFICER Officer | 40 | $636,706 | $65,294 |
| AUBREY JOHNSON | VP - SYSTEM PLANNING Officer | 40 | $635,404 | $59,086 |
| RENUKA CHATTERJEE | VP - OPERATIONS Officer | 40 | $608,897 | $59,153 |
| RICHARD WAYNE SCHUG | VP - STRAT & BUS DVLPMNT (THRU 3/24) Officer | 40 | $647,287 | $9,267 |
| TIMOTHY CAISTER | VP - LEGAL FED REGULATORY AFFAIRS Officer | 40 | $595,137 | $30,242 |
| BRIAN TULLOH | E.D. STRAT. COMMS. & POLICY COORD. Highest-paid employee | 40 | $569,133 | $55,741 |
16 more people on this return
| Name | Title | Hours / week | Compensation | Other / benefits |
|---|---|---|---|---|
| KRISTINA TRIDICO | DEPUTY GENERAL COUNSEL Highest-paid employee | 40 | $578,487 | $27,572 |
| SCOTT WRIGHT | E.D. RESOURCE PLANNING Highest-paid employee | 40 | $492,452 | $52,956 |
| ERIC STEPHENS | E.D. SECURITY & FACILITIES Highest-paid employee | 40 | $497,494 | $35,960 |
| DARYL BROWN | E.D. EXT AFFAIRS SOUTH Highest-paid employee | 40 | $511,100 | $21,773 |
| NIRAV SHAH | VP - CHIEF DIGITAL & INFO (BEG 5/24) Officer | 40 | $433,103 | $42,275 |
| MELISSA SEYMOUR | FORMER OFFICER Former | 0 | $257,055 | $0 |
| TODD RABA | DIRECTOR Trustee or director | 10 | $210,000 | $0 |
| PHYLLIS CURRIE | DIRECTOR Trustee or director | 10 | $192,500 | $0 |
| HORACE DOGGETT | DIRECTOR Trustee or director | 10 | $192,500 | $0 |
| MARK JOHNSON | DIRECTOR Trustee or director | 10 | $192,500 | $0 |
| BARBARA KRUMSIEK | DIRECTOR Trustee or director | 10 | $192,500 | $0 |
| NANCY LANGE | DIRECTOR Trustee or director | 10 | $192,500 | $0 |
| ROBERT LURIE | DIRECTOR Trustee or director | 10 | $192,500 | $0 |
| THERESA WISE | DIRECTOR Trustee or director | 10 | $192,500 | $0 |
| JEFF LEMMER | DIRECTOR (BEG 1/24) Trustee or director | 10 | $138,750 | $0 |
| JODY DAVIDS | FORMER DIRECTOR Former | 0 | $46,250 | $0 |
990 for the year ended December 31, 2023: 28 people
| Name | Title | Hours / week | Compensation | Other / benefits |
|---|---|---|---|---|
| JOHN BEAR | CEO Trustee or director, Officer | 40 | $4,705,329 | $52,600 |
| CLAIR MOELLER | PRESIDENT Officer | 40 | $1,791,948 | $47,399 |
| MELISSA BROWN | SENIOR VP & CFO Officer | 40 | $1,144,882 | $44,242 |
| ANDRE PORTER | SVP & GENERAL COUNSEL Officer | 40 | $1,063,647 | $56,846 |
| JENNIFER CURRAN | SVP - PLAN & OP & CHIEF COMP. OFF. Officer | 40 | $1,061,497 | $34,908 |
| TODD RAMEY | SVP - MARKETS & DIGITAL STRATEGY Officer | 40 | $992,390 | $52,600 |
| RICHARD WAYNE SCHUG | VP - STRAT & BUS DVLPMNT Officer | 40 | $686,744 | $66,120 |
| RICHARD DOYING | FORMER OFFICER Former | 0 | $682,681 | $0 |
| TODD HILLMAN | SVP & CHIEF CUSTOMER OFFICER Officer | 40 | $668,803 | $13,818 |
| ALLEGRA NOTTAGE | VP - HR & CHIEF DIVERSITY OFFICER Officer | 40 | $601,798 | $40,872 |
| RENUKA CHATTERJEE | VP - OPERATIONS Officer | 40 | $579,639 | $55,189 |
| KERI GLITCH | VP & CHIEF INFO SECURITY (THRU 6/23) Officer | 40 | $606,818 | $21,816 |
| MELISSA SEYMOUR | VP - EXTERNAL AFFAIRS (THRU 8/23) Officer | 40 | $581,051 | $42,544 |
| AUBREY JOHNSON | VP - SYSTEM PLANNING Officer | 40 | $568,247 | $45,068 |
| KRISTINA TRIDICO | DEPUTY GENERAL COUNSEL Highest-paid employee | 40 | $565,216 | $36,055 |
| TIMOTHY CAISTER | DEPUTY GENERAL COUNSEL Highest-paid employee | 40 | $570,292 | $30,060 |
| BRIAN TULLOH | E.D. STRAT. COMMS. & POLICY COORD. Highest-paid employee | 40 | $541,499 | $51,986 |
| SCOTT WRIGHT | E.D. RESOURCE PLANNING Highest-paid employee | 40 | $482,464 | $52,530 |
| ERIC STEPHENS | E.D. SECURITY & FACILITIES Highest-paid employee | 40 | $489,777 | $34,618 |
| TODD RABA | DIRECTOR Trustee or director | 10 | $201,750 | $0 |
| NANCY LANGE | DIRECTOR Trustee or director | 10 | $191,750 | $0 |
| THERESA WISE | DIRECTOR Trustee or director | 10 | $189,750 | $0 |
| HORACE DOGGETT | DIRECTOR Trustee or director | 10 | $189,500 | $0 |
| MARK JOHNSON | DIRECTOR Trustee or director | 10 | $187,500 | $0 |
| PHYLLIS CURRIE | DIRECTOR Trustee or director | 10 | $187,500 | $0 |
| ROBERT LURIE | DIRECTOR Trustee or director | 10 | $185,500 | $0 |
| BARBARA KRUMSIEK | DIRECTOR Trustee or director | 10 | $183,500 | $0 |
| JODY DAVIDS | DIRECTOR Trustee or director | 10 | $178,000 | $0 |
Address and contacts
- Address (IRS master file)
- 720 CITY CENTER DR, CARMEL, IN 46032-3826
- In care of
- % CHRISTINA JOHNSON
- Principal officer (990 for 2024)
- JOHN BEAR, 720 CITY CENTER DR, CARMEL, IN 46032
- Signed the 990
- MELISSA BROWN, SENIOR VP & CFO
- Phone
- (317) 249-5400
- Website
- WWW.MISOENERGY.ORG
- Return prepared by
- DELOITTE TAX LLP
Mission
MONITOR AND CONTROL ELECTRIC TRANSMISSION SYSTEM TO PROVIDE NON-DISCRIMINATORY OPEN-ACCESS TO ALL CUSTOMERS AND ENSURE SAFE, RELIABLE, AND EFFICIENT OPERATION FOR THE BENEFIT OF ALL CUSTOMERS.
Program accomplishments
- ON DECEMBER 19, 2001, MIDCONTINENT INDEPENDENT SYSTEM OPERATOR, INC. (MISO OR THE COMPANY) BECAME THE NATION'S FIRST REGIONAL TRANSMISSION ORGANIZATION (RTO) APPROVED BY THE FEDERAL ENERGY REGULATORY COMMISSION (THE FERC). AS AN RTO, MISO PROVIDES TRANSMISSION SERVICE ON BEHALF OF ITS MEMBERS WHO OWN TRANSMISSION ASSETS. IN ADDITION, MISO IS A NORTH AMERICAN ELECTRIC RELIABILITY CORPORATION (NERC) CERTIFIED RELIABILITY COORDINATOR. IN THAT CAPACITY, MISO MONITORS THE FLOW OF ELECTRICITY OVER THE TRANSMISSION SYSTEMS OF ITS MEMBERS WHO OWN TRANSMISSION ASSETS. MISO WAS INCORPORATED AS A DELAWARE NON-STOCK, NONPROFIT CORPORATION IN MARCH 1998. THE COMPANY IS GOVERNED BY AN INDEPENDENT BOARD OF DIRECTORS. MEMBERSHIP IN MISO IS OPEN TO OWNERS OF ELECTRIC TRANSMISSION FACILITIES AS WELL AS OTHER PARTICIPANTS IN THE ELECTRIC ENERGY MARKET. FIFTY-NINE TRANSMISSION OWNERS WITH MORE THAN 77,000 MILES OF TRANSMISSION LINES, 202,000 MEGAWATTS OF ELECTRIC GENERATION, AND APPROXIMATELY $37.9 BILLION IN INSTALLED GROSS TRANSMISSION ASSETS ARE CURRENTLY PARTICIPATING IN MISO. ON DECEMBER 15, 2001, THE COMPANY BEGAN PROVIDING RELIABILITY COORDINATION SERVICES TO THE TRANSMISSION-OWNING MEMBERS OF MISO AND THEIR CUSTOMERS. ON THE SAME DATE, MISO ALSO BEGAN PROVIDING OPERATIONS PLANNING, GENERATION INTERCONNECTION, MAINTENANCE COORDINATION, LONG-TERM REGIONAL PLANNING, MARKET MONITORING, AND DISPUTE RESOLUTION SERVICES. THE COMPANY COMMENCED SUBSTANTIALLY ALL OPERATIONS ON FEBRUARY 1, 2002, THE DATE MISO BEGAN PROVIDING REGIONAL TRANSMISSION SERVICE UNDER ITS FERC-ACCEPTED OPEN ACCESS TRANSMISSION AND ENERGY MARKETS TARIFF (THE TARIFF). ON APRIL 1, 2005, MISO FORMALLY BEGAN OPERATING ITS MARKET-BASED CONGESTION MANAGEMENT SYSTEM WHICH FEATURES THE FOLLOWING: - DAY-AHEAD ENERGY MARKET - REAL-TIME ENERGY MARKET - FINANCIAL TRANSMISSION RIGHTS (FTR) MARKET THE DAY-AHEAD AND REAL-TIME ENERGY MARKETS ARE DESIGNED TO RELIABLY MAKE THE MOST EFFICIENT USE OF ALL GENERATION AND TRANSMISSION RESOURCES WITHIN THE REGION BASED ON BIDS AND OFFERS SUBMITTED BY MARKET PARTICIPANTS. THE DAY-AHEAD AND REAL-TIME ENERGY MARKETS PRICE TRANSMISSION SYSTEM CONGESTION THROUGH THE USE OF LOCATIONAL MARGINAL PRICING (LMP) ALGORITHMS. THE FINANCIAL TRANSMISSION RIGHTS MARKET PROVIDES A MEANS OF HEDGING LMP-BASED CONGESTION COSTS. ON JANUARY 6, 2009, MISO BEGAN OPERATING A MARKET FOR ANCILLARY SERVICES. THE ANCILLARY SERVICES MARKET INTEGRATES THE PROCUREMENT AND USE OF REGULATION AND CONTINGENCY RESERVES WITH THE EXISTING REAL-TIME ENERGY MARKET. MISO ALSO BECAME AN NERC-CERTIFIED BALANCING AUTHORITY ON JANUARY 6, 2009.Expenses $523,404,431 · revenue $457,274,163
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
- 43-1827033
- Tax-exempt status
- 501(c)(4): Social welfare organization
- Donations deductible
- No
- Exempt since
- 2001
- Accounting year ends
- December
- Files
- Form 990 or 990-EZ
- Category (NTEE)
- Public and societal benefit (W80)
- Assets (IRS master file)
- $3,354,403,000
- Income (IRS master file)
- $616,374,571
Filing history
| Form | Year ended | Revenue | Expenses | Assets | Return |
|---|---|---|---|---|---|
| 990 | December 2024 | $616,078,935 | $616,078,935 | $3,354,403,000 | XML |
| 990 | December 2023 | $548,603,867 | $548,603,867 | $2,918,427,543 | XML |
| 990 | December 2022 | $460,845,431 | $460,845,431 | $3,566,306,365 | IRS |
| 990 | December 2021 | – | – | – | IRS |
| 990 | December 2020 | – | – | – | IRS |
| 990 | December 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 43-1827033).
Questions about MIDCONTINENT INDEPENDENT SYSTEM OPERATOR INC
- What is the EIN of MIDCONTINENT INDEPENDENT SYSTEM OPERATOR INC?
- The employer identification number (EIN) of MIDCONTINENT INDEPENDENT SYSTEM OPERATOR INC is 43-1827033.
- Is MIDCONTINENT INDEPENDENT SYSTEM OPERATOR INC tax-exempt?
- Yes. The IRS lists it as tax-exempt under section 501(c)(4) since 2001.
- Are donations to MIDCONTINENT INDEPENDENT SYSTEM OPERATOR INC tax-deductible?
- No. The IRS master file says contributions to it are not deductible.
- Which annual return does MIDCONTINENT INDEPENDENT SYSTEM OPERATOR 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 MIDCONTINENT INDEPENDENT SYSTEM OPERATOR INC 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 MIDCONTINENT INDEPENDENT SYSTEM OPERATOR INC 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 MIDCONTINENT INDEPENDENT SYSTEM OPERATOR INC?
- The 990 for the year ended December 31, 2024 names JOHN BEAR.
- Who are the officers and directors of MIDCONTINENT INDEPENDENT SYSTEM OPERATOR INC?
- The 990 for the year ended December 31, 2024 lists 31 people; 31 received compensation from the organization, the highest $3,734,846 (JOHN BEAR, CEO).
- How much revenue does MIDCONTINENT INDEPENDENT SYSTEM OPERATOR INC have?
- On its 990 for the year ended December 31, 2024 it reported revenue of $616,078,935, expenses of $616,078,935 and total assets of $3,354,403,000 at year end.
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