Midcontinent Independent System Operator Inc.

Fiscal year ending 2024. Filed on November 13, 2025.

720 City Center Dr
Carmel, Indiana 46032

Midcontinent Independent System Operator Inc. (EIN: 43-1827033) has filed an IRS Form 990 since at least fiscal year 2016. In its fiscal year 2024 IRS Form 990 filing, Midcontinent Independent System Operator Inc., a 501(c)(4) civic league or social welfare organization, reported compensation for 31 out of 1,271 total employees. Among the employees shown here, the average compensation is $704,029. The highest compensated employee at Midcontinent Independent System Operator Inc. is John Bear with fiscal year 2024 compensation of $3,788,192.

Revenue, expenses, and employee compensation

Revenue

$616,078,935

Expenses

$616,078,935

Employee compensation

$244,864,488
Revenue, expenses, and employee compensation over time

Reported Compensated Employees

Non-Employee Board Members

No board members were reported during this fiscal year.

Mission Statement

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.

Revisions to this organization profile

November 13, 2025:
2024 Midcontinent Independent System Operator Inc. 990 filed
November 12, 2024:
2023 Midcontinent Independent System Operator Inc. 990 filed
November 11, 2023:
2022 Midcontinent Independent System Operator Inc. 990 filed

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