Midcontinent Independent System Operator Inc
Public records raise at least one point you should look into before giving.
What it says it does
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.
- Income
- $616.1 million
- Spending
- $616.1 million
- Employees
- 1,271
- Volunteers
- 0
- Highest pay
- $3.8 million, ceo
Source: Form 990 for the year ending December 31, 2024, filed with the Internal Revenue Service. How we rate
Financial health
We do not score finances when yearly spending is very small or the return has too little detail. The ratios stop meaning much at that size.
Source: Form 990 for the year ending December 31, 2024, filed with the Internal Revenue Service. How we rate
Governance
This return does not answer enough of the governance questions to score.
Source: Form 990 for the year ending December 31, 2024, filed with the Internal Revenue Service. How we rate
Impact evidence
Describes programs. Its tax return describes what it does but we have found no measurable results in it.
Programs described in its return (1)
- $523.4 million spent. 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.
Source: Form 990 for the year ending December 31, 2024, filed with the Internal Revenue Service. How we rate
Legitimacy checks
Is it registered with the IRS? Passed.
Listed in the IRS master file of tax-exempt organizations as a 501(c)(4) social welfare organization.
Source: Exempt Organizations Business Master File, Internal Revenue Service, file dated October 13, 2026.
Has the IRS revoked its tax-exempt status? Passed.
Not on the IRS automatic revocation list.
Source: Automatic revocation of exemption list, Internal Revenue Service, file dated November 6, 2026.
Are donations tax-deductible? Caution.
The IRS master file records contributions to this 501(c)(4) social welfare organization as not deductible.
Source: Exempt Organizations Business Master File, Internal Revenue Service, file dated October 13, 2026.
Is it keeping up with its IRS filings? Passed.
Most recent return on file covers the year ending December 2024.
Source: Exempt Organizations Business Master File, Internal Revenue Service, file dated October 13, 2026.
How long has it been tax-exempt? Passed.
Recognized by the IRS since January 2001.
Source: Exempt Organizations Business Master File, Internal Revenue Service, file dated October 13, 2026.
Is it in good standing with state regulators? Passed.
Not on California's list of charities barred from soliciting. Other states are not yet checked.
Source: May Not Operate or Solicit for Charitable Purposes list, California Attorney General, Registry of Charities and Fundraisers, file dated November 4, 2026.
Ratings and checks are our reading of public records, using the published method. They are not a statement about anyone's honesty. If you work for this organization, you can send corrections or results, confirm you want gifts through Veridonate, or ask to be removed from giving.