EIN 43-1827033

Midcontinent Independent System Operator (MISO)

IRS 501(c) type
501(c)(4)
Num. employees
1,183
City
State
Year formed
1998
Most recent tax filings
2022-12-01
NTEE code, primary
Description
Midcontinent Independent System Operator ensures safe, reliable, and efficient operation for the benefit of all customers by monitoring and controlling electric transmission system to provide non-discriminatory open-access. In 2001, it became the first regional transmission organization approved by the federal energy regulatory commission and provides transmission services in Carmel, IN.
Also known as...
Midwest Independent Transmission System Operator
Total revenues
$460,845,431
2022
Total expenses
$460,845,431
2022
Total assets
$3,566,306,365
2022
Num. employees
1,183
2022

Program areas at MISO

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 transmission owners with more than 71,800 miles of transmission lines, 191,000 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.

Personnel at MISO

NameTitleCompensation
Barbara J. KrumsiekChief Executive Officer$164,375
Melissa BrownSenior Vice President and Chief Financial Officer$1,021,472
Jody DavidsChief Information Officer$147,000
Theresa WiseIt Executive , Former Chief Information Officer of Delta Air Lines$161,250
Todd RameySenior Vice President and Chief Digital Officer / Vice President - Markets and Digital Strategy / Vice President , Market System Enhancement / Vice President - System Operations and Markets / Vice President System Operations and Markets$844,620
...and 25 more key personnel

Financials for MISO

RevenuesFYE 12/2022
Total grants, contributions, etc.$102,196
Program services$413,011,327
Investment income and dividends$46,348,071
Tax-exempt bond proceeds$0
Royalty revenue$0
Net rental income$0
Net gain from sale of non-inventory assets$-884,680
Net income from fundraising events$0
Net income from gaming activities$0
Net income from sales of inventory$0
Miscellaneous revenues$2,268,517
Total revenues$460,845,431

Form 990s for MISO

Fiscal year endingDate received by IRSFormPDF link
2022-122023-11-11990View PDF
2021-122022-11-14990View PDF
2020-122021-11-15990View PDF
2019-122021-06-25990View PDF
2018-122020-01-16990View PDF
...and 9 more Form 990s

Organizations like MISO

OrganizationLocationRevenue
Electric Reliability Council of Texas (ERCOT)Austin, TX$355,423,897
New York Independent System Operator / Cheryl Hussey (NYISO)Rensselaer, NY$213,525,939
ISO New England (ISO-NE)Holyoke, MA$210,813,398
California Independent System Operator (CAISO)Folsom, CA$255,713,716
Southwest Power Pool (SPP)Little Rock, AR$249,826,324
Aqua Water Supply CorporationBastrop, TX$121,784,586
UlseEvanston, IL$1,619,625,676
Disabled American VeteransErlanger, KY$147,448,652
AarpWashington, DC$1,812,434,007
FH AssociationPhoenix, AZ$130,992,678
Data update history
January 18, 2024
Posted financials
Added Form 990 for fiscal year 2022
January 14, 2024
Updated personnel
Identified 1 new personnel
November 25, 2023
Posted financials
Added Form 990 for fiscal year 2021
July 13, 2023
Used new vendors
Identified 2 new vendors, including , and
July 9, 2023
Used new vendors
Identified 2 new vendors, including , and
Nonprofit Types
Public utilitiesPublic sector nonprofits
Issues
No issues found
Characteristics
Receives government funding
General information
Address
720 City Dr
Carmel, IN 46032
Metro area
Indianapolis-Carmel-Anderson, IN
County
Hamilton County, IN
Website URL
misoenergy.org/ 
Phone
(317) 249-5400
IRS details
EIN
43-1827033
Fiscal year end
December
Taxreturn type
Form 990
Year formed
1998
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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